One of the most interesting of the:-;e i~ J.lfmn/lIflJ'/o (fllrtlllar/8 Link & Otto, which form large groups consisting of small individuals (PI. XVI). the same region Opunt;a hllhricato, ( J. It is I'cnllll'kahle ('special because of the wide range of tree species belonging to CPI'CII:-;, Pilocprcus, Cephu]occrew.;, and Opllntiu.
Iligllerillas, thrlH'e lIorth tWlll'l) idiay Toloman, ket agsubli idiay Sail babaen ti kalsada manipud Cn Iligllerilla s, thrlH'e lIorth tWlll'l) to Toloman, returning by way of Cn Tree, () to 12 meters high with a thit'kelletl bulbous base abruptly (:Olltrekken intn a slender ~tem 5 to R elll. This ~speci~ iM perhal'R near~t D. ~rr{/tifolill/II hut i~ certain dh:tinkt that folpedeA have hro:lder H<:abrous, yellow-8pined, nodding dnll-mlored le~\\'es. J. fr.. that willgs is ad nate to t1w !-ltylf' , but an Examination of the Tiguren cih.~l by him bears no dear out of it. It is very (different hoth in hahit .• inflore-:cenr.t>, and Fruit from Da.~ylirion, to which it has long Ixoen rderrell . XIJ.inn elc!J(l1/x IlH~ heen confused in collections with hoth X. From former il.differn to it!ol.hrot\der, !4iffuf Icaw:", hH'ger fruil , dc. ', From the latter is clearly distinguished. NYXPHAEACEAE RANUNCULACEAE XIXOSACEAE 5 to 12 pairs, rather thick, venat.ion soltlewhut. or murt' brmtll, tho margins winged.. lJr)l!/ontll(t. of Cent.ral )lexico, bllt have ~olllhewhat different leaf-. Thisl':lpeeies was distrihuted as Rh:l/l!ch'Mifi J'J'l'f~(/tOrilf D C. calycosa Helll!-tit'Y, though ~till quilt, di~titld from that ~JX 'cie8. is a above the l'a] y x Ilnd peduncle; cnlyx teeth 5, nil Ilarrow, tilt. two upper 11Ilih'~1 slope, the lowerlilost one much longer than the otill'rs. 102 CONTRIBUTIONS OF THE NATIONAL HERBS . much longer than the 1t~8X&l; pedicelI"' I to U; mill. long; calyx with yellow stiff hairs; sepals linear, thtl lower much longt'T; male brown, orhicular, Jluhetwent without; IX)d~ pubesreut, 2 em. It is tl'UC tlmt muny RuppoSl!d sp('ci cs of Oaludia. . is cong,mcric with Odonil1 and it is p"ol»,hl), the onc rcasoll why the two genCl'a hu., ·c is combined. Is \"Cry different from all our American and Mexican species in its "orolla. Perennial, with at least the top bran<:hcs herbaceoll~, \'ery villout:I; leaves 9 to 11 pairs, hairy on both sides, linear-ohloug, blunt, 3 to 5 mill. Hnp, covere.l with long purple uarlJt.d hain-z. California, extending north to Utah and I:louth into IInrthern )1 This is one of the largest 8species of gcnlUl whidl I have seen in :\lexil~o. Bulbs large, deeply dissected (.>(l), externally clothed with strong fibres; bulb scales acute, broad, numbering Oll8 strong ltt:Jrves; Icatlt'_ts 4, broadly cuneate, rounded or broadly notched at apex, aged gla1 .ml.te, pale below, :J to 6 em. long, 2 to 4 <:m. wide; .ptrlundef! stout, appearing before the foliage:.:; flowers mostly 6 to 12, BOllletimel!l .reduced to en; sepals round, obtuse, tip glabrous; flowers reddish or purplish; This species is characterized by a widely spreading sepal lobe against blue flowers. I have ~en no authentic !lpeCimCu8 (As this kind, hilt Dodor Pringle't; plaut COllies of the same gcnerallot.'ality alHI IUlsw('rs the It differs from most of the other described species8 in that clw:!tered bulb,;. Evidently of the type O. Thili s,)ct'ies have a wide distribution aw18hows t:olll~i.lerahic nuiation in tlw Hire and shape \){ the Icatlell!. 114 CONTRIBUTION OF THE NATIONAL HERBA1Ul!M. the top, thin with hroad purple edges, glabrous, with :l or 4 glanll~ nkar point; pet.aJ~ deep. Later in the season it iH 80 abundant that it het."Omes a troublesome weed in ('orn- fields. IlI.rlfmdit'rt, but cliffefH i i~ more upright foIhrnhlly habit un(i ~1H.hroItA I'ari' ml(:~, in the eharucter of its inflorescence, etc. Perhaps nearest XKllthoxalit" frolll whi('h it differs::; c!!peeially in ita small corolla and large »ctaloid Rt'plll~. ROSE- MEXICAN AND CENTRAL AMERICAN PLA~TS, as it especially diUel'M in its foliage It is much branched, creeping, pu\)e;n'llt; It'tltit.'ts. ROSE-MEXICAN AND CENTRAL AMERTCAN PLACES. Of which it mainly shows me in its foliage. Htem~ much branched, creeping, pu\)e;llt; It is. This name, changed in spelling to Burseria fl1l1nmifera, was adopted by Jacquin in 1763.' But Bursem or Burseri" is invalid for this genus, not only because it is dated to Terebinthu8, but also because of the name. Another name used by some authors is Elaphrium, Jacquin 1760.' It is four years later that Bmwne's publication of Tel'Obinthus and even the latter name is given priority in the same work in which Elaphrium appears. High trec8; old trunks red and Hilloothj young branches hairy; leaves 2 to 4 pairs, 4 to 9 CIll. Small shrub 2.4 meters high; hrallt!hce dark, sometimes reddish, glabrous; very young branches puherultmt: leaves borne in clusters near the end8 of ~hort branches,. In 184-1 Bentham dClo!<: ribed from the Bay of Ma~dfllclla two species or llursera under the namP.ti Rluphritwt r itlJl/oJ.illlll amI J~. 'liltdxclliIlWl ,liffering, UI'l he stateH, only in the number of k'1tflct~, the form4 'r hm·jug- :~ Slid the latter only 1. There seems to be no reason to maintain both. where it seems common to grow at 1: il'lw{fulia. POLYGALACEAE MALVACEAE HYPERICACEAE VIOLACEAE CACTACEAE APIACEAE LILIACEAE
ROSACEAE
CAESALPINIACEAE
VICIACEAE
PLATE XXXI/I
KRAMERIACEAE
GERANIACEAE
LINACEAE
BALSAMEACEAE