604 COMPOSITAE 
midrib with ser yellow | hairs, sometimes sparsely oe above, me cauline leaves ecesils, 
e oO bifo an 60-flowere 
, 
peduncles 0. cm. long; involucres 5-8 mm. high, ett bang in fruit ; peak phyllaries ay Bin 
to one-half the lengt th of the inner, glabrous or tomentose, the inner phyllaries 8-16, lanceolate, 
glabrous, tomentose or sparingly gla en sometimes spars sely setulose with black glandular 
hairs ; receptacle glabrous; achenes 1.5-2.5 mm. long, 10-ribbed, “heuuteids yellow to dark brown, 
fusiform and beakless ; pappus 3-4 mm. Habe 
A native of Europe, eivelig in meadows, lawns, and waste places, widely introduced in the Pacific byron 
from western Washington to central California; also occurring in Canada Seite eastern United States. May 
Crepis nicaeénsis Balbis ex Pers. Syn. Pl. 2: 376. 1807. Ann r bienn ial, 2.5-11 dm. high, po el 
to and posse C; capillaris; differing in having more eh a oy pate: involueres 8- /?— pris high and 
cg st. ger gener is fruit; receptacle aero achenes 2.5—4 mm. long, golden-brow of sonal 
n.Europe and s gly introduced in eastern United States, and known in the Pacific’ Pe pial one col- 
fenton at WMaryeviie.: ‘Cohutta: County, Washi ington 
repis pilchra L. Sp. Pl. 806. 1753. antints: 3-7 - . high from a slender taproot, pubescent below, 
glabrous above; basal leaves 3-15 cm. long, oblanceolat ate, acute or obtuse, runcinate-pinnatifid, eae toa 
winged petiole, ‘pubescent; stem-leaves somewhat reduced, etic “ahd amplexicaul and less divided than the basal; 
involucres cylindric, glabrous; achenes 4-4.5 mm. long, the outer compressed and often without pappus, the inner 
mica rin i A egon. 
rope rubra L. Sp. Pl. 806. 1753. A garden annual, native of Italy and the Balkans, mostly 1-2.5 dm. 
os wri — dentate or Dah: yee pinnatifid leaves an nd sc gy Feria stems, os branched below, termi- 
nated by pink- or white-flowered heads, nodding before anthesis; achenes 9-20 mm. long, with a coarse or slender 
beak as long or twice as tong as the body. Rarely escaping from cultivation; in the Pacific States it has been 
collected at petty Marin County, California 
Cre me: LocSp. Pi 807; 1783. Glatinun or puberulent annual, 1-10 dm. high, with. runcinate- 
pinnati if teal gsr Poze Scaatie, linear cauline leaves; icccenenre usually with few heads; inyolucres cylin- 
dric-campanulate, 9 m igh, the inner phyllaries pubescen on the inner faces; achenes usually 3-4 mm. long, 
10-ribbed, dark pba: — fusiform and attenuate se i but scarcely beaked. 7% native of Europe, sparingly 
introduced in Canada and ihe aed Staten: on the Pacific Slope, introduced in British Columbia and to be 
expected in northern Washingt 
3. Crepis setésa Hall. f. Rough Hawksbeard. Fig. 6051. 
Crepis setosa Hall. f. Roem. Arch. Bot. 12: 1. 1797. 
Annual, 1.8-8 dm. high, the erect stem from a taproot, simple or branched from near the base 
and also above, hispid. Basal leaves mostly few, 6-30 cm. long, oblan regs in ou = ne, narrowed 
i i ion oot at ape 
abov eads : ; : 
hispid and ochoae with yellow bristles; involucre mm. long, somewhat turbinate in fruit, the 
outer ap hoe not more that one-half the length of the inner, the inher linear-lanceolate, thick- 
ened at the base, setose with yellow nef pete the yellow ligules often reddish on outer face; re- 
ceptacle sk ge Pe 7 shoe 3 .5-5 mm. long, 10-ribbed, fusiform and tapering into a beak 
.5 mm. long; pappus 2.5-5 mm. long. 
A native of sae Europe, Sa sc pl" Sai not common in the Pacific States; in the Willamette 
Valley, Oregon, and Humboldt County, California. Jun ug. 
4. Crepis vesicaria subsp. taraxacifolia (Thuill.) Thell. Weedy Hawksbeard. 
Fig. 6052. 
a Thuill. Fl. Par. 409. 179 
Cres vestcaria a oitea taraxacifolia Thell. ex a & Keller, Krit. Fl. Schweiz ed. 3. 361. 1914. 
Annual or biennial Coe perennial), 0. the dm. high, stems 1 to several from a thickened 
—— alten branched near the base as well as above, more or less purplish, striate, more or less 
tom Leaves mostly paral. the cauline leaves sessile and amplexicaul, made! entire to pin- 
nately aad the tae leaves 10-20 cm. long o what longer, mostly narrowly oblanceolate 
in ease mostly rancinate-pinnatifid or lyra sea ere with a large rain lobe, I 
pubesc on both surface .. = gla ss hairs; inflorescence istiiskr set m, with s 
heads, pe icon cles 1-13 om vee wolne e 8-12 mm. high ; outer phyllaries short,  Rencncetig or 
ovate-lance oat, calaiee the A As lel 9-13, lanceolate, obtuse = en glan- 
ular-pubesc and usually with ‘black glandless setae ; eeceiaele ciliate; act mm. 
se Ocribbed. pale brown, fusiform, attenuate into a slender beak as long as or oat than the 
~ the achene ; pappus mm. ‘long. 
riable siibiagiedies native of Europe and widely introduced elsewhere, becoming more abundant in waste 
places an ot borders of woods in California; A ec a te Marin, Alameda, cy Mateo, and Santa Clara Counties, 
and also adventive in Los Angeles County. April-June 
oe 
8 
#8, 
Comal 
5. Crepis nana Richards. Dwarf Hawksbeard. Fig. 6053. 
Prenanthes pygmaca Ledeb. Mém. Acad. St.-Pétersb. V. 5: 553. 1815. 
Crepis nana Richards. in Frasil. lst Journ. Bot. ps6: 7s Bee 
-A 833. 
Crepis humilis Fisch. ex Herder, Bull. Soc. Impér - Nat. oe 43: 190. 1870. 
Dwarfed tufted abo acer the vertical or creeping, underground stems arising from a taproot, 
the leafless uppe ag ees sued ae t ie m. high, about as long as or a li ie ee mags she 
sie s. ves ofte mewhat purpli Bs many-clustered basally, u cm. 
vate-acute to pebcrtacnlas: the blade tapering ‘abruptly into the petiole, eibein. entire or a tee 
sda ceed: involucres 24 on the est ranches; inner phyllaries about 
0-13 mm. long, subtended by the paivcatan outer pei es a ge very short, Sele lee 
