VI. AGBOSTEDEAE
64. ARTJNDO L
Tall (2 to 3 meters or more) perennial with flat leaves and ample terminal panicles;
spikelets 2 to many-flowered; rachilla jointed above the glumes and between the florets, smooth; florets crowded, fertile, or the upper or lower staminate; glumes 2, narrow, subequal, 3-nerved, smooth, acute or acuminate, about the length of the spike- let; lemmas membranaceous, 3-nerved, 2-toothed at the apex, mucronate between the teeth, long-pilose on the back; palea hyaline, 2-keeled; grain smooth, free.
1. Arundo donax L. Sp. PI. 81.1753. Giant reed.
Type locality: "Habitat in Hispania, Galloprovincia.''
Range: Western Texas and southern New Mexico to Mexico, probably naturalized;
also in the Old World.
90 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM.
New Mexico: Mesilla Valley, Wet ground.
This grass, the largest of all those found in New Mexico, is frequent along ditches in the Bio Grande Valley, where it has probably been introduced.
56. HTTtfROA Torr.
Low, diffusely much branched annual with short sharp pointed leaves clustered at the ends of the branches; epikelets 2 to 4-flowered, 3 to 5 together and nearly sessile in the axis of the floral leaves; rachilla jointed above the glumes; glumes lanceolate, acute, hyaline, 1-nerved; lemmas longer, 3-nerved, entire, retuse, or 3-cleft, the midnerve or all the nerves excurrent as short raucronate points; pale a hyaline, 2-keeled; stamens 3; styles distinct, elongated; grain inclosed within the lemma, free.
1. Munroa squarrosa (Nutt.) Torr. U. S. Rep. Expl. Miss. Pacif. 4: 158. 1856.
Crypsis squarrosa Nutt. Gen. PI. 1: 49. 1818.
Type locality: "On arid plains near the 'Grand Detour' of the Missouri, almost exclusively covering thousands of acres."
Hanoi:: Alberta and South Dakota to Arizona and Texas.
New Mexico: Common throughout the State. Dry plains and low hills, in the Lower and Upper Sonoran zones.
56. DASYOCHLOA Willd.
Low, densely tufted, often creeping perennial, with very narrow, somewhat rigid leaves and crowded epikelets in clusters of 3 to 6, equaled or exceeded by the upper leaves; epikelets several-flowered, sessile; glumes unequal, keeled; lemmas thin, densely hairy below, deeply bilobate, awned from between the rounded lobes; sta- mens 3.
1. Dasyochloa pulchella (H. B. K.) Willd.; Steud. Nom. Bot. ed. 2. 1: 484. 1840.
lYiodia pulchella H. B. K. Nov. Gen. & Sp. 1:155. pi. 47.1816.
Type locality: "In subfrigidis, siccis, apricis regni Mexicani inter Guanaxuato, Mina de Belgrade et Cubilente, alt. 1050 hexap."
Range : Western Texas to Arizona, south into Mexico.
New Mexico: Shiprock; Carrizo Mountains; Albuquerque; Maugaw Springs;
Socorro; Tortugas Mountain; Meailla Valley; Orogrande; Roswell. Sandy mesas, in the Lower and Upper Sonoran zones.
57. ERIONET7BOH Nash.
Tufted perennials with thick linear leaves having white margins, and dense, con- tracted, almost capitate panicles; spikelets several to many-flowered; glumes narrow, acuminate; lemmas broad, 3-nerved, pubescent on the nerves below and sometimes on the body of the lemma at the base, the apex acuminate, entire or slightly 2-toothed, the awn terminal or arising between the minute teeth; stamens 3; style short, distinct.
1. Erioneuron pilosum (Buckl.) Nash in Small, PI. Southeast. U. S. 144. 1903.
Uralepis pilosa Buckl. Proc. Acad. Phila. 1862: 94. 1863.
Sieglingia pilosa Nash in Britt. & Brown, Illustr. Fl. 3: 504.1898.
Type locality: "Middle Texas/'
Range: Kansas and Colorado to New Mexico and Texas.
New Mexico: Farmington; Pecos; Knowles; Torrance; Buchanan; Las Vegas Hot Springs; Cross L Ranch; Mangas Springs; Dayton; Gray; Guadalupe Mountains;
Roswell. Dry hills and plains, in the Upper Sonoran Zone.
WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 91
58. TBINSNS Roem. & Schult.
Perennials with flat or involute leaves and open or contracted, sometimes spike- like inflorescence; spikelets 3 to many-flowered, the flowers perfect or the upper staminate; glumes keeled, obtuse to acuminate, usually shorter than the lemma;
lemmas 3-nerved, the midnerve or all the nerves ex current, pilose, the apex entire or shortly 2-toothed; palea compressed, 2-keeled; stamens 3; styles short, distinct,
KEY TO THE SPECIES.
Lemmas not pilose on the back; glumes considerably surpassing the lower florets; spikelets subcompres&ed, oblong, in a
rather dense spikclike panicle 1. T. albescent.
Lemmas pilose on the back, at least at the base; glumes barely as long as the lowest florets, or shorter; spikelets various.
Spikelets terete; sterile lemma not ciliate, neither lobed nor
awned 2. T. muticus.
Spikelets compressed; sterile lemma ciliate, deeply bilobate, with an intermediate awn.
Lemmas only slightly cleft at the apex, the lobes narrow,
acute; spikelets 10 mm. long 3. T. avenaceus.
Lemmas cleft half their length, the lobes obtuse; spike-
lets 6 to 8 mm. long 4. T. nealleyi.
1. Tridens albescens (Vasey) Woot. & Standl. N. Mex. Agr. Exp. Sta. Bull. 81:
129.1912.
Triodia albe&cem Vasey, U. S. Dept. Agr. Div, Agrost. Bull. 12a: 33. 1891.
Sieglingia albescens Kuntze; L. H. Dewey, Contr. U. S, Nat. Herb. 2: 538. 1894.
Rhotnbolytrum albescens Nash in Britton, Man. 129. 1901.
Type locality: "Texas and New Mexico."
Range: Kansas to Texas and eastern New Mexico.
New Mexico: Mesilla Valley; Carlsbad; Roswell. Dry plains, in the Lower and Upper Sonoran zones.
2. Tridens muticus (Torr.) Nash in Small, Fl. Southeast. U. S. 143. 1903.
Tricuspis mutica Torr. U. S. Rep. Expl. Miss. Pacif. 4: 156. 1856, Triodia mutica Benth.; S. Wats. Proc. Amer. A cad. 18: 180. 1883.
Type locality: Laguna Colorado, New Mexico.
Range: Western Texas and eastern New Mexico.
New Mexico: Socorro; Laguna Colorado; Cross L Ranch; Tortugas Mountain;
Roswell. Dry hills, in the Lower and Upper Sonoran zones.
3. Tridens avenaceus (H. B. K.) Hitchc. Contr. U. S. Nat. Herb. 17: 357. 1913.
Triodia avenacea H. B. K. Nov. Gen. & Sp. 1: 156. pi. 48- 1816.
Triodia grandiflora Vasey, Contr. U. S. Nat. Herb. 1: 59.1890.
Sieglingia avenacea grandiflora L. H. Dewey, Contr. U. S. Nat. Herb. 2: 538. 1894.
Tridens grandifiorus Woot. & Standl. N. Mex. Agr. Exp. Sta. Bull. 81: 129.
1912.
Type locality: "In convalle Mexicana inter montem Chapultepec et Penol de los Banos."
Range: Western Texas to Arizona and southward.
New Mexico: Kingston {Metcalfe 1334).
4. Tridens nealleyi (Vasey) Woot. & Standl. N. Mex. Agr. Exp. Sta. Bull. 81;
129.1912.
Triodia nealleyi Vasey, Bull. Torrey Club 16: 49. 1888.
Sieglingia nealleyi L. H. Dewey, Contr. U. S. Nat. Herb. 2: 538. 1894.
Type locality: Western Texas.
92 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM.
Range: Western Texas and southern New Mexico.
New Mexico: Tortugas Mountain (Wooton 2018). Dry fields, in the Lower Sono- ran zone.
59. SPHENOPHOLIS Scribn.
Rather slender tufted perennials with flat leaves and narrow terminal many-flowered panicles; spikelets 2 or 3-flowered; rachilla jointed above the glumes and between the florets and produced above the upper floret into a slender naked bristle; glumes slightly shorter than the florets, the first very narrow or linear and 1-nerved, the second broadly obovate, 3-nerved, with rather broad scarioua margins; lemmas obtuse, usually awnless; palea narrow, 2-nerved; styles distinct, short; grain narrow, free.
KEY TO THE SPECIES.
Second glume not much, if at all, wider than the lemmas, obtuse or acute 1.
Second glume much wider than the lemmas, rounded or truncate and somewhat cucullate at the apex.
Intermediate nerves of the second glume faint; leaves narrow;
panicle very narrow, dense and spikelike 2.
Intermediate nerves of the second glume almost as prominent as the principal ones; leaves wide; panicle longer and broader, loose 3.
1. Sph.enoph.olis paliens (Spreng.) Scribn. Rhodora 8: 145. 1906.
Aira pallens Spreng. Mant. Fl. Hal. 36. 1807.
Koeleria pen7isylvanica DC. Cat. Hort, Monsp. 117. 1813.
Eatonia pennsylvanica A. Gray, Man. ed. 2. 553. 1856.
Type locality: Not stated.
Range : British America to New Mexico, Texas, and Georgia.
New Mexico: Mouth of Mora River; Albuquerque; Santa Fe Canyon 9 miles east of Santa Fe. Wet ground, in the Transition Zone.
2. Sphenopholis obtusata (Miehx.) Scribn. Rhodora 8:144. 1906.
Aira obtusata Michx. Fl. Bor. Amer. 1: 62.1803.
Eatonia obtusata A. Gray, Man. ed. 2. 558. 1856.
Type locality: "Habitat in aridis a Carolina ad Florid am."
Range: British America to Oregon, Arizona, and Florida.
New Mexico: Farmington; Carrizo Mountains; Albuquerque; Zuni; Socorro;
Kingston; Organ Mountains. In wet ground, especially along ditch banks, in the Upper Sonoran Zone.
3. Sphenopholis robust a (Vasey) Heller, Muhlenbergia 6: 12. 1910.
Eatonia obtusata robusta Vasey, Contr. U. S. Nat. Herb. 3: 190. 1895.
Eatonia robusta Rydb. Bull. Torrey Club 32: 602. 1905.
Type locality: Mullen, Nebraska.
Range: Washington and Nebraska to Arizona.
New Mexico: Rio Mimbres; Mesilla. Damp meadows, in the Lower and Upper Sonoran zones.
60. KOELERIA Pers. June grass.
Cespitose perennials with usually flat narrow leaves and densely flowered spikelike panicles; spikelets 2 to 4-flowered, compressed; rachilla jointed above the glumes, these unequal, keeled, somewhat shorter than the lemmas; lemmas membranaceous, faintly 3 to 5-nerved, obtuse, acute, or mucronate-pointed; palea hyaline, acute, 2-nerved, about as long as the lemma; stamens 3; styles very short.
S. -pallens.
S. obtusata.
S. robusta.
WOOTON AND STANDLEY—FLORA OF NEW MEXICO 93
1. Koeleria cristata (L.) Pers. Syn. PI. 1; 97. 1805.
Aira cristata L. Sp. PI. 63. 1753.
Type locality: "Habitat in Angliae, Helvetia© siccioribus."
Range: British America to Arizona, Kansas, and Pennsylvania; also in Europe.
New Mexico: Common in all the mountain ranges. Open slopes and in woods, in the Transition Zone.
61. EBAGROSTIS Beau v.
Annuals or perennials with simple or branched culms; spikelets 2 to many-flowered, the uppermost floret imperfect; rachilla jointed but sometimes not disarticulating until after the fall of the lemmas; glumes more or less unequal, usually shorter than the lemma; lemmas glabrous, obtuse or acute, awnless, 3-nerved, the lateral nerves often faint; paleae shorter than the lemmas, often persistent, 2-nerved.
KEY TO THE SPECIES.
Annuals.
Spikelets broad, more than 2 mm. wide 1. E. megastachya.
Spikelets narrow, 1.5 mm. wide or less.
Plants low, spreading, 30 cm. high or less; leaves nar- row; spikelets many-flowered; plants of cultivated
fields and river valleys 2. E. pilosa.
Plants tall, 30 to 100 cm.; leaves broad; spikelets few- flowered; plants usually found in the mountains.
Panicles spreading, often nearly 30 cm. long; spikelets
5 to 8 mm. long 4. E. mexicana.
Panicles contracted, 10 cm. long or less; spikelets 3
to 6 mm. long 3. E. limbata.
Perennials.
Plants with rigid scaly rootstocks; leaves pungent-pointed 5. E. obtusifiora.
Plants tufted, without rootstocks; leaves not pungent-pointed.
Spikelets crowded, on very short branches 6. E. secundiflora.
Spikelets not crowded, on long slender branches.
Panicles narrow and elongated, the branches long and flexuous, erect or nearly so; lateral nerves
of the lemmas evident 7. E. trichodes.
Panicles rather open, the branches spreading or ascending, rather rigid; lateral nerves of the lemmas evident or obscure.
Lateral nerves of the lemmas faint; plant of the
mountains 8. E. lugens.
Lateral nerves of the lemmas very prominent;
on the plains of the eastern part of the
State . 9. E. peetinacea.
1. Eragrostis megastachya (Koel.) Link, Hort. Berol. 1: 187. 1827.
Stink grass.
Briza eragrostis L. Sp. PI. 70.1753, not Poa eragrostia L. op. cit. 08 (=Eragrostis eragrostis).
Poa megastachya Koel. Descr. Gram. 181. 1802.
Eragrostis major Host, Icon. Gram. Austr. 4:14. pi. 84-1809.
Eragrostis poaeoides megastachya A. Gray, Man. ed. 5. 631. 1867.
Type locality: European.
Range: Nearly throughout the United States; naturalized from Europe.
New Mexico: Cedar Hill; Santa Fe; Pecos; Las Vegas Hot Springs; Mangas Springs;
Dog Spring; Bcrcndo Creek; West Fork of the Gila; Organ Mountains; Tularosa;
Roe well; Mesilla Valley; Carlsbad; Texico. Waste ground.
04 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM
2. Eragrostis pilosa (L.) Beauv, Ess. Agrost. 162. 1812.
Poa pilosa L. Sp. PI. 68.1753.
Type locality: "Habitat in Italia."
Range: Nearly throughout the United States; also in the Old World.
New Mexico: Farmington; Carrizo Mountains; Santa Fc; Las Vegas; Albuquerque;
Fort Bayard; near White Water; Mogollon Mountains; Mesilla Valley; Roswell; Gil- mores Ranch; Tularosa; Texline. Waste places and in meadows, in the Lower and Upper Sonoran zones.
3. Eragrostis limbata Fourn. Mex. PI. 2: 116. 1886.
Eragrostis neomexicana Vasey, Contr. U. S. Nat. Herb. 2: 542. 1894.
Type locality: Mexico.
Range: Western Texas to California, and southward.
New Mexico: Organ Mountains. Dry hills, in the Upper Sonoran Zone.
4. Eragrostis mexicana (Lag.) Link, Hort. Berol. 1: 190. 1827.
Poa mexicana Lag. Gen. & Sp. Nov. 3. 1816.
Type locality: "Hab. in Imperio Mexicana,"
Range: Western Texas to southern California and southward.
New Mexico: Gallinas Mountains; Raton; Las Vegas; Torrance; Albuquerque;
Deming; Dog Spring; Mogollon Mountains; Animas Creek; Organ Mountains; Mesilla Valley; Leachs; Queen; Roswell; White Mountains. Dry hills and canyons, in the Upper Sonoran Zone.
l/tt. Eragrostis obtusiflora (Fourn.) Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 8:
10.1897. Mexican saltgrass.
Brizopyrum obtusijlorum Fourn. Mex. PI. 2: 120. 1881.
Type locality: Mexico.
Range: Arizona and New Mexico to Mexico.
New Mexico: Las Playas (Woo ton). Alkaline flats, in the Lower Sonoran Zone.
6. Eragrostis secundiflora Presl, Rel. Haenk. 1: 276.1830.
Poa interrupta Nutt. Trans. Amer. Phil. Soe. n. ser. 5: 146. 1837, not Lam. 1791.
Poa oxylepis Torr. in Marcy, Expl. Red Riv. 301. pL 19.1854.
Type locality: Mexico.
Range: Texas and New Mexico to southern Mexico.
New Mexico: Nara Visa; Melrose; Dora; Clayton; Arroyo Ranch; Texline. Plains, in the Upper Sonoran Zone.
7. Eragrostis trichodes (Nutt.) Nash, Bull. Torrey Club 22: 465.1895.
Poa trichodes Nutt. Trans. Amer. Phil. Soc. n. ser. 6: 146. 1837.
Type locality: "In bushy prairies and open alluvial lands, Arkansas."
Range: Nebraska and Ohio to New Mexico and Tennessee.
New Mexico: Gray; Queen. Dry soil, in the Upper Sonoran Zone.
8. Eragrostis lugens Neee, Agrost. Bras. 2: 505.1829.
Type locality: "Habitat ad Monte-Video et in confinibus Paraguayan is."
Range: Texas and Arizona to Mexico and South America.
New Mexico: Kingston; Mangas Springs; near White Water; San Luis Mountains;
Dona Ana Mountains; Organ Mountains; Round Mountain. Dry hills, In the Upper Sonoran Zone.
0. Eragrostis pectinacea (Michx.) Steud. Syn. PI, Glum. 1:272.1855.
Poa pectinacea Michx. Fl. Bor. Amer. 1: 69.1803.
Typk locality: "Hab. in arvislllinoensibus."
Range: Illinois and Massachusetts to New Mexico, Texas, and Florida,
New Mexico: Near Causey (Wootcm). Plains and dry fields, in the Upper Sonoran Zone.
4
WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 95
62. ME LICA L. MBIIC grass.
Perennials with usually soft flat leaven and with rather large spikeleta in lax or dense, usually narrow panicles, or sometimes in simple racemes; spikelets 2 to several- flowered, terete or slightly flattened; rachilla jointed above the glumes and between the fertile florets, usually bearing 2 or 3 empty glumes at the apex; glumes unequal, membranaceous, awnless, 3 to 5-nerved; lemmas larger, rounded on the back, 7 to 13-nerved, ecarious-margined, awnless or short-awned; palea broad, 2-keeled; stamens 3; styles distinct; grain free.
1. Me lie a porteri Scribn. Proc. Acad. Phila. 1885; 44. pi. l.f. 17, 18.1885.
Metica mutica parvijlora Porter in Port. & Coult. Syn. Fl. Colo. 149.1874.
Melica parvijlora Scribn. Mem. Torrey Club 6:60.1894.
Type locality : Glen Eyrie, Colorado.
Range: Colorado and Kansas to Arizona and Texas.
New Mexico: Chama; Santa Fe; Sandia Mountains; Las Vegas; "Wineors Ranch;
Mogollon Mountains; Silver City; Organ Mountains; White and Sacramento moun- tains. Damp woods, in the Transition and Canadian zones.
63. BBOMUS L. Brome grass.
Annuals or perennials with flat leaves and rather large, erect or pendulous spikelets;
spikelets few to many-flowered, slightly or strongly flattened laterally, paniculate or rarely racemose; rachilla jointed above the glumes and between the florets; glumes unequal, acute or the second short-awned, 1 to 5-nerved, shorter than the lemmas;
lemmas keeled or rounded on the back, 5 to 9-nerved, usually 2-toothed at the apex and awned from the back just below the point or from between the teeth, or some- times awnless; palea a little shorter than the lemma, 2-keeled; stamens usually 3;
stigmas sessile, plumose; grain sulcate, adherent to the palea.
KEY TO THE SPECIES,
Lemmas compressed-carinate at the base.
Lemmas appressed-villous.
Sheaths more or less villous la. B. marginatus lalior.
Sheaths glabrous or nearly so — lb. B. marginatus seminudus.
Lemmas smooth or scabrous.
Leaves and sheaths conspicuously pubescent 2. B. uniolxyidea.
Leaves glabrous, the sheaths sometimes slightly pu- bescent.
Awns inconspicuous; leaves narrow 3. B. polyanthus.
Awns conspicuous; leaves wide 3a. B. polyanthus paniculatus.
Lemmas not compressed-carinate but rounded, at least at the base.
Lemmas glabrous or scabrous.
Sheaths pubescent.
Panicles dense, contracted; plants low, 40 cm. high
or less, 4. B.kordeaceus glabrescem.
Panicles loose, more or less spreading; plants more
than 50 cm. high 5. B. racemowt.
t I
96 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM
Sheaths glabrous.
Spikelets laterally compressed, ovate-lanceolate... 6. B. secalinite.
Spikelets terete, narrowly oblong 7. B. inermis.
Lemmas more or less pubescent.
Pubescence unevenly distributed on the margins and
dorsal surface of the lemmas 8. B. richardsoni.
Pubescence about equally distributed on margins and dorsal surface of the lemmas.
Sheaths densely villous 9. B. lanatipes.
Sheaths glabrous or nearly so.
Glumes pubescent; tall coarse plant 10. B. porteri.
Glumes glabrous; weak leafy plant II, B./rondosus.
la. Bromus marginatus latior Shear, U. S. Dept. Agr. Div. Agrost. Bull. 23:
55.1900.
Type locality: Walla Walla, Washington.
Range: Washington and Wyoming to Arizona and New Mexico.
New Mexico: North of Ramah; Santa Fe; East Fork of the Gila; Mangas Springs, Canyons, in the Upper Sonoran and Transition zones.
lb. Bromus marginatus aeminudus Shear, U. S. Dept. Agr. Div. Agrost. Bull.
23: 55.1900.
Type locality: On open mountain side 5 miles above Wallowa Lake, Oregon.
Range: Washington and Montana to California and New Mexico.
New Mexico: Baldy; Sandia Mountains; Water Canyon; James Canyon; White Mountains. Meadows, in the Transition Zone.
2. Bromus unioloides (Willd.) H. B. K. Nov. Gen. & Sp. 1:151.1816.
Festuca unioloides Willd. Hort. Berol. 1: 3. pi. S. 1816.
Type locality: '' Habitat in Carolina.''
Range: South Carolina and Florida to Texas, also in Mexico and South America;
introduced in other parts of the United States.
New Mexico: Mangas Springs; Agricultural College,
3. Bromus polyanthus Shear, U. S. Dept. Agr. Div. Agrost. Bull. 23 : 56. /. 34.
1900.
Bromus multiflorus Scribn, U. S. Dept. Agr. Div. Agrost, Bull. 13: 46. 1898, not Weig. 1772.
Type locality: Battle Lake, Sierra Madre Mountains, Wyoming.
Range: Oregon and Montana to Utah and Nevr Mexico.
New Mexico: Harveys Upper Ranch; Santa Fe; Johnsons Mesa; Rio Pueblo;
Barranca; Chama; Tunitcha Mountains; Las Vegas; Silver City; Patterson; James Canyon; Organ Mountains. Shaded canyons, in the Transition Zone.
3a. Bromus polyanthus paniculatus Shear, U. S. Dept. Agr. Div. Agrost. Bull.
23: 56./ 85. 1900.
Type locality: West Mancos Canyon, Colorado.
Range: Utah and Colorado to Arizona and New Mexico.
New Mexico: Pecos; Glorieta; Baldy; Inscription Rock; Chiz; Mogollon Moun- tains; Gilmores Ranch; James Canyon; Gray. Damp woods and thickets, in the Transition Zone.
4. Bromus hordeaceus glabrescens (Coss.) Shear, U. S. Dept. Agr. Div. Agrost.
Bull. 23: 20. 1900.
Bromus mollis glabrescens Coss. Fl. Env. Paris 654. 1845.
Type locality: Paris, France.
Range: Native of Europe, widely introduced in the United States.
New Mexico: Willow Creek (Wooton).
WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 97
' 6. BromuB racemosus L. Sp. PI. ed. 2.114.1762.
Type locality: "Habitat in Anglia."
Range: Native of Europe, adventive in many places in the United States.
New Mexico: Albuquerque; Mesilla Valley.
6. Bromus secalinua L. Sp. PI. 76.1753. Cheat.
. Type locality: "Habitat in Europae agris secalinis arenosia.''
Range: Native of Europe, a common weed in many parts of North America, espe- cially in grain fields.
New Mexico: Mangas Springs.
, /
\/ 7. Bromus inerxnis Leyss. Fl. Hal. 16.1761. Hungarian brome grass.
Type locality: "Habitat in pratis succulentis fertiliasimis im Furstengarten in den Pulverweiden frequent"
Range: Native of Europe, locally established in the United States.
New Mexico: Farmington; Mesilla Valley.
8. Bromus richardsorri Link, Hort. Berol. 2: 281. 1833.
Bromus ciliatus scariosus Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 13: 46.1898.
Type locality: Described from plants grown from seed sent from western North America.
Range: British America to Arizona and New Mexico.
New Mexico: Sandia Mountains; Rio Pueblo; Trout Spring; Beulah; Tunitcha Mountains; Hillsboro Peak; Organ Mountains; Cloudcroft; White Mountains. Thick- ets in the mountains, in the Transition and Canadian zones.
^ 9. Bromus lanatipes (Shear) Rydb. Colo. Agr. Exp. Sta. Bull. 100: 52.1906.
Bromus porteri lanatipes Shear, U. S. Dept. Agr. Div. Agrost. Bull. 23: 37.1900.
Type locality: Idaho Springs, Colorado.
Range: Colorado and New Mexico to California.
New Mexico: Carrizo Mountains; Sandia Mountains; Glorieta; Johnsons Mesa;
Santa Fe; Water Canyon; East Fork of the Gila; Organ Mountains; Gray; White Mountains. Damp thickets, in the Transition Zone.
10. Bromus porteri (Coulter) Nash, Bull. Torrey Club 22: 512.1895.
Bromus kalmii porteri Coulter, Man. Rocky Mount. 425.1885.
Type locality: Twin Lakes, Colorado.
Range: Montana and South Dakota to Arizona and New Mexico.
New Mexico: Dulce; Chama; Albuquerque; Glorieta; Raton Mountains; Pescado Spring; Ramah; Johnsons Mesa; Mogollon Creek; Fort Bayard; Organ Mountains;
Tularosa Creek; Gilmores Ranch. Damp thickets, in the Transition Zone.
11. Bromus frondosuB (Shear) Woot. & Standl. N. Mex. Agr. Exp. Sta. Bull. 81:
144.1912.
Bromus porteri frondosus Shear, U. S. Dept. Agr. Div. Agrost. Bull. 23: 37. /. 20.
1900.
Type locality: Mangas Springs, New Mexico. Type collected by J. G. Smith.
Range: New Mexico and Arizona.
New Mexico: Raton; Ponchuelo Creek; Santa Fe Canyon; Mangas Springs; Mogo- llon Creek; Organ Mountains; San Luis Mountains. Damp canyons, in the Upper
Sonoran and Transition zones.
64. DACTYLIS L. Orchard grass.
Perennial with flat leaves and narrow glomerate panicles; spikelet$ 3 to 5-flowered, nearly sessile in dense fascicles; rachilla jointed above the glumes and between the florets; glumes unequal, 1 to 3-nerved, sharply keeled, acute; lemmas 5-nerved, : shortly awn-pointed, strongly compressed and keeled, ciliate on the keel; palea a little
62576°—15 7