Proceedings of the Biological Society of Washington

PROCEEDINGS

OFTHE

BIOLOGICAL SOCIETY OF WASHINGTON

fl

^

NEW FLOWERING PLANTS OF THE PACIFIC C0AST^i??iL.M'ri!5^^

BY

C. V.

PIPER.

Collectors

continue

to find

undescribed plants

inall

the

Pacific

Coast

States.

The new

species

here described

are

based on specimens

recently collected or else

long

in

the United States National Herbarium. The new

^Irisis particularly

noteworthy.

Iris gormani,n. sp.

Rootstocksslender;baseofoldplants covered withdeadleavesof previ- ous seasons;stemsslender,¹-flowered,30-40 cm.high,eachbearing

two

or three leaves;leavespalegreen, linear, 2-4

mm.

wide, strongly veined, the earliest short,

some

of the later ones exceeding the stems; cauline-leaves scarious-margined, the upper exceeding the stem; bracts three, 8-10 cm.

long,scariousmargined,noneexceeding theflower; flowersshort-peduncled,

cream

color topale yellow; perianth tube above the ovary short, 4

mm.

long^;sepalsascending, spatulate-oblanceolate,notbeardedor crested, thin, 3-3.5 cm. long;petals erect, spatulate-oblanceolate, 2.5cm. long; capsule oblong, obtusely 3-angled, sharp-beaked, 2-2.5cm.long,straw-color

when

mature;seedsglobose,brown,the outer coat

much

wrinkled.

Scoggin's Creek, east slope of Coast Mountains,

Washington

County, Oregon,

M. W.

Gorman,June 25

and

August 13, 1922.

Only

about5per centofthe plants producedfruitin 1922.

Iris tenuis

Watson

Proc.

Am.

Acad. 17:380. 1882.

This

was

found in 1881

by

Prof. L. F. Henderson on Eagle Creek, a branchof

Clackamas

River, Oregon,in

Clackamas

County, about 40miles eastofPortland,but nolatercollections

seem

toexist. Mr.

M. W. Gorman

hasrecentlyvisitedthetypelocality

and

findstheplant

abundant

inpatches alongEagleCreek. His specimensare quitelikethoseofthetypecollection.

Arabiselata, n. sp.

Biennial, erect, 1m.high,leafybelow, a fewascendingbranches above;

stempurplish, terete, densely

and

finelystellate-canescent below, glabrous or nearly so above; basal leaves thickish, entire, oblanceolate, acutish, 1-nerved,narrowedat base

and

petiolate,2-3 cm.long, densely

and

finely

13—

Proc. Biol.Soc.Wash.,Vol.37,1924. (91)

92 Proceedings

oftheBiological Society of

Washington.

stellate-canescent on both sides; cauline leaves oblanceolate, similarly canescent,sessile,conspicuously auriculateat base,3-4 cm.long;racemesin fruit30-50 cm.long,the divaricatepedicels5-7

mm.

long,10-15

mm.

apart;

podslinear,glabrous,curved upwards, 2-3cm.long, 1

mm.

wide,the valves 1-nervednearly thewholelength;stigmawhite,sessile;seeds orange,

much

compressed,narrowly wing-margined.

Along

Emigrant

Creek near its junction with Silvie's River,

Harney

County, Oregon, June23, 1912,

M.

E. PeckNo.5539. NearesttoA.tri-

chopodaGreene.

Cardamine

oregana, n.sp.

A

slender glabrous perennial rootingatthenodes

and

tuberiferous;stems slender,weak,terete,branching,procumbent, 30-40 cm.long;leavessimple or trifoliolate, glabrous, thin, the blade ofthe basal ones suborbicular or sinuately pentagonal, 3-nervedfromthebase,about1 cm.long,the slender petiole3-4timesaslong;upperleavesverysimilarbut withone,rarelytwo, pair of rounded to elliptic leaflets close to the terminal one; flowering branches erect orascending 10-15 cm.long; racemes 2-7flowered; petals white, 5

mm.

long; sepals oblong, pale, thin-edged, 2

mm.

long; pods ascending,linear, glabrous, 16-20

mm.

long,eachtippedwitha stoutstyle 1.5

mm.

long,the pedicellessthanhalfaslong asthepod;seedsabout20, oblong, compressed, dull,dark brown,1

mm.

long.

Near

Little

Meadows

ofthe

Des

ChutesRiver,Oregon,alt. 1500meters, J. B. Leiberg 2614, August25, 1896; typesheet 280753 inU. S. National Herbarium. Allied to C. occidentalis (Wats.) Schulz but dififering in the fewerleaflets

and

longer style.

Astragalus (§HomaIobus) peckii,n. sp.

Perennialfrom avertical root,branchedfrom thebase, leafy,thewhole herbage minutely ^cinereous pubescent; branches erect or ascending, slender, terete, pubescent, the internodes 5-20

mm.

long; leaves pinnate with3 to 5pairs ofleaflets; stipules scarious,unitedforhalf their length, triangular, acute,ciliate;lateralleafletsoblong,acutish,puberulenton both sides, mostly folded, 2-5

mm.

long, very shortly petiolulate; terminal leafletrudimentaryornotatalldeveloped,thetipoftherachissharp

and

often bent;inflorescenceaxiUary,shorterthanthe^leaves,about6-flowered;

corollaochroleucous,6-7

mm.

long;calyxpuberulentwithwhite

somewhat

appressedhairs,thetube campanulate,2

mm.

long,equalled

by

the slender subulatelobes,these

more

orlesscurved;pods^sessile,oblong-linear, com- pressed,minutely whitepuberulent,5-7

mm.

long,tippedwiththerecurved slenderstyle.

Dry

ground,

McKenzie

Pass, 10 miles northwest of Tumalo,

Crook

County, Oregon,

M.

E.Peck9768,August3,1920.

Godetia brevistyla,n. sp.

Strigulosethroughout with white hairs;stems slender, erect, simple or branched from near thebase, 20-30 cm. high; leaves sessile,linear, acute

and

apiculate, 1-3 cm.long;budserect,narrowlyovoid,acuminate;sepals

Piper — New Flowering Plants

ofthe Pacific Coast.

93

at length separate nearlytothebase, reflexed, 4

mm,

long; petalspurple, about 1cm.long;stigmas ovate,purple,aslong as thestyle,bothtogether 2

mm.

long; stamensunequal, the shorter 2

mm.,

the longer4

mm.

long;

ovary densely strigulose, 8-ribbed; capsules sessile,

somewhat

4-sided, abruptly short-beaked, 10-14

mm.

long.

Olympic Mountains, Clallam County, Washington, A. D. E.Elmer

No.

2567, June, 1900. All ofElmer's plantswere thuslabelled as to locality, buttheonehere discussed

was

probablycollected either atPort Angelesor at the

mouth

ofthe

Elwha

River,asitclearlyisnotanalpineplant.

It is the only species with very short style

and

stigmas excepting G.

romanzovii (Ledeb.)Spachforwhichit

was

mistakenin

"The

Floraofthe NorthwestCoast." G. romanzoviiasrepresented

by

agarden specimenin the

Gray Herbarium

^{haslanceolatepetiolate}nearlyglabrousleaves,sepals 7

mm.

long,petals1.5cm.long,stamens10

mm.

long,the filaments equaling the anther,

and

thestyle

and

stigmarelativelyshorterthaninourplant.

Lappula venusta, n. sp.

Perennial from a loosely branched crown, the branches of which are covered

by

the old leaf bases; stems erect, simple to the inflorescence, terete, sparsely hirsute with

somewhat

reflexed pustulate-based hairs;

leavesnumerous, the basalones spatulate-oblanceolate,obtusish, 6-12 cm.

long,thepetiolesmargined;

median

leavessessile,linear-oblongtooblanceo- late, 4-6 cm. long; upperleaves sessile, broadest atbase, the uppermost partly clasping; all green

and

hispid on both faces; inflorescence loosely cymoseⁱⁿ age, the bracteate branchesraceme-like 10-15 cm. long;bracts lanceolate to lineargraduallyreducedupwards;rachis slender, strigillose;

pedicels recurved, 15-20

mm.

long in fruit, strigillose; calyx-lobeslinear, acute,strigillose,4

mm.

long;coroUawliite,2cm.broad, the lobes orbicular- obovate;appendagesyellow,oblong,broadest above, emarginate,minutely

and

evenlyroughened;anthers oblong, yellow,notreaching theappendages;

nutlets trigonous,6

mm.

long,nearly asbroad;marginalbristlesunitedfor about half their length, all glochidiate; dorsal surface convex, sparsely muriculate

and

with about 10 short glochidiate bristles; ventral surface smooth;the lanceolate scar central.

Between Tumwater and

Drury, Chelan County, Washington,

May

18

and

June9, 1920,^/.C.Otis,No.895.

A

very

handsome

speciesprobablynearesttoL.cinerea Piper.

Allocaryacorallicarpa, n. sp.

Annual,slender,

much

branchedfrom near thebase,thebrancheserect or ascending, 10-50 cm. high; stems strigillose; leaves linear, obtuse or acutish, 2-5 cm. long, sparsely strigillose above, denselyso beneath, the hairs mostly pustulate; racemes bractless, 5-10 cm. long, rather loosely flowered, the lower internodes3 to5 times aslongasthefruiting calyces;

pedicelsshorterthanthecalyces;calyxnotaccrescent,the lanceolate acute

somewhat

spreading lobes densely hispid withpale hairs, 3

mm.

longin fruit;corolla rotate, 5

mm.

broad;nutletsovoid,plump,obtuse,dull,pale

94 Proceedings

of^the BiologicalSociety of

Washington.

or at length reddish-brown, 1,5

mm.

long, the

dorsum

convex, keeled for two-thirds itslength, evenly coveredwith anintricate convolute anasto- mosing networkofpaleratherprominentridges,therelativelysmall inter- spaces granulate; venter keeledfromthe scartoapex,the surface sculptured as

on

the dorsalsurface;scarovate,almostbasal,rathersmall, surrounded

by

a conspicuousridge; epidermalcellsconical,unicellular.

Inmoist open spaces, Grant's Pass, Oregon, C. V. Piper, June 2, 1921 (type);

same

place indepauperate specimens,

M.

E. Peck 2956, June24, 1909;Medford, Oregon, C. V. Piper,June 1,1921.

Nearest A. scouleri (Hook.

&

Arn.) Greene but stems

more

slender, racemeslooser,flowerssmaller,

and

nutlets

more

coarselysculpturedwith uninterruptedridges.

AUocaryaaculeolata, n. sp.

Annual,not succulent,

much

branchedfromthebase,the slenderbranches

decumbent

toascending, 10to30 cm.long, thewhole herbagestrigillose;

leaveslinear,1to3cm.long,strigilloseon bothsurfaces,pustulatebeneath;

racemes many-flowered, 5-15 cm.long,with fewleafy bracts,the internodes mostly2to3times as long as the fruitingcalyces;pedicels

much

^shorter thanthe calyces;calyx lobes notaccrescent, lanceolate, setulose, erector

somewhat

spreading, 2to 2.5

mm.

long; corolla minute;nutletsnarrowly ovoid, brownish,acutish, 1.5

mm.

long,the

dorsum

convex, keeledabovethe middle,

marked

above the base with four nearly continuous transverse ridges, granulate basally

and

between the ridges, covered with simple hyalinebristleseach withshortbarbsatthetip;venter keeledfromscarto apex, obliquely rugulose

and

minutely bristly; scar ovate, small, nearly basal.

In dried

mud

^holes ona ridge ten miles east of Chico, Calif.,

May

27, 1921,

C

^{V.PiperNo.5020.}

^Near

^{A.penidllataGreene butnutletssmaller}

and

narrower

and

the scar nearlybasal.

AUocaryalamprocarpa, n.sp.

Annual,simple orfew-branchedfromthebase,the slenderbrancheserect or ascending, 10to20 cm.high,sparselystrigillose;leaveslinear, 1to2cm.

long, obtusish, glabrous ornearly so above, pustulate-strigulose beneath;

racemesleafy-bracteatenear thebase,5-15 cm. long,theinternodes 2to4 times as long as the fruiting calyces; calyx not accrescent, setulose, the lanceolate nearly erectlobes 2

mm.

long; corolla minute; nutletsbroadly ovoid, abruptly narrowed towardthe apex, dark grayish, shiny, 1.5

mm.

long, 1

mm.

wide, the

dorsum

keeledits whole length but rather faintly basallly, coarsely

and

ratherevenly tuberculateorobscurely rugulosewith short or roundishlowelevations,these lessconspicuousbasally,not at all granulate; venter obliquely

and

coarsely rugulose with short ridges, not granulate, thefullyexposedkeel lyinginanarrow groovewhichisdeepest basally; scar broadly ovate, flange margined, lying in a broad shallow depression.

Inmoist placesinanold road,Grant'sPass,Oregon,June2, 1921, C. V.

Piper — _New Flowering Plants

of^the Pacific Coast,

95

Piper No.5023. Thisspecies isveryunlikein itsnutletsfrom

any

other ofthesulcatagroup.

Cryptantha scabrella, n. sp.

Annual, erect, looselybranched, 20-50 cm. hig^h; stems slender, terete, pubernlent with hairs of

two

kinds, long spreading

and

short appressed;

branches erect or ascending; leaves linear, acute or acutish, pustulate- hirsutulous on both ^sides, 1-3 cm. long; inflorescence once-forked with a solitaryflowerinthefork,thebranchesspicate,loose infruit,the internodes 2-8_timesaslongasthe calyx; calyx-lobeslanceolate, setosewith

somewhat

spreadingbristles,3-5

mm.

long;corolla rotate,white, 6

mm.

broad;mature nutlets2-4,rarely1,dark brown,dull,ovoid, constrictedabove

and

acutish, 2.5

mm.

long,themargins rounded,thebackconvex, flattened

and

without

median

ridge, the ventralgrooveforkedatbasebutclosed,thewholesur- face densely

and

evenly scabrous with sharppoints.

In dry open

woods

onhills. Grant's Pass, Oregon, June 2, 1921, C. V.

PiperNo. 5043.

Valeriana seminuda, n. sp.

Stems rather stout, erect, terete,

somewhat

sulcate toward the base, glabrousornear the nodessparselypuberulent, 70-90 cm. high, 4-jointed below the inflorescence; leaves rather thin, glabrous except the ciliolate margins; basal leaves simple orwithoneor

two

lateralsegments,spatulate, obtuseor acutish, entireornearlyso,the bladeabout3cm. long,exceeding the margined^petiole; lower cauline leaves 6-10 cm. long, each with 5-7 divisions, the terminal one lance-oblong, acute at each end, entire or obscurely dentate, 4-5 cm.long, the lateralones oblong, obtuseto acute, mostly2cm.long;middlecauline leavessessile,6cm.long,with5segments, the terminalonelanceolate,sinuately dentate,acuteateachend,thelateral ones narrowly lanceolate; bractslinear acute, the lowermost 2 cm. long;

inflorescence of 5

cymose

clusters, the terminal largest, 3 cm. broad, the lateralones1.5cm.broad,the lower paironslender

naked

peduncles 12cm.

long; bractletssubulate, acute, thin; flowersperfect; corolla nearly white, funnelform, gibbous at base, 3

mm.

long; stamens

much

extruded; fruit ovoid, compressed, finelywhite-pubescent; pappus plumose, inroUed.

About

half

way

between Mineral

King and

FarewellGap,Sierra

Nevada

Mts., TulareCo., California, August5, 1891, Coville

&

^FunstonNo. 1486.

Type

ⁱⁿtheU.S.NationalHerbarium.