326 CICHORIACEAE. Vor. III. 
2. Crepis glauca (Nutt.) T.& G. Glaucous 
Hawksbeard. Fig. 4087. 
Crepidium glaucum Nutt. Trans. Am. Phil. Soc. (II.) 
7: 436. 1841. 
Crepis glauca T.& G. Fl. N. A. 2: 488. 1843. 
Perennial; scapose, or rarely with 1 or 2 leaves 
on the stem, 1°-23° high, glabrous and glaucous 
throughout. Basal leaves spatulate, oblanceolate, 
or obovate, acute or obtuse at the apex, gradually 
narrowed into margined petioles, entire, dentate, 
or pinnatifid, 2’-6’ long, 3’-1’ wide; heads not 
numerous, long-peduncled, 6’-12” broad; pedun- 
cles glabrous; involucre campanulate, its principal 
bracts lanceolate, acute, the outer ones very short, 
ovate, appressed; achenes oblong-cylindric, slightly 
narrowed above, strongly 10-ribbed. 
In moist and saline soil, Nebraska to Saskatche- 
wan, Utah and Nevada. July—Aug. 
3. Crepis runcinata (James) T. & G. 
Naked Stemmed Hawksbeard. 
Fig. 4088. 
Siieraenet runcinatum James in Long’s Exp. 1: 453. 
1623. 
repis runcinata T. & G. Fl. N. A. 2: 487. 1843. 
Crates berplexans Rydb. Bull. Torr. Club 32: 134. 
1906, 
Perennial, similar to the preceding species, but 
not glaucous or scarcely so, often pubescent below; 
stem leafless or with I or 2 small leaves, 1°-3° 
high. Basal leaves spatulate, obovate, or oblong, 
obtuse or acute, entire, repand, dentate, or rarely 
runcinate-pinnatifid, 2’-6’ long, 3’-14’ wide; heads 
several, long-peduncled, nearly 1’ broad; pedun- 
cles glabrous or glandular-pubescent; involucre 
campanulate, pubescent or glandular, its principal 
bracts linear-lanceolate, acute, outer ones short, 
lanceolate, appressed; achenes linear-oblong, some- 
what narrowed above, 10-ribbed. 
In moist soil, Iowa to North Dakota, Manitoba, 
Alberta, Utah and Montana. June-July. i 
Crepis riparia A. Nelson, with broadly obovate 
La leaves and larger flowers, is recorded from Ne- 
Taska. i 
4. Crepis tectorum L. Narrow-leaved Hawks- 
beard. Fig. 4089. 
Crepis tectorum L. Sp. Pl. 807. 1753. 
Annual; stem slender, puberulent or pubescent, 
leafy, branched, 1°-2° high. Basal leaves lanceolate, 
dentate, or runcinate-pinnatifid, 4’-6’ long; stem 
leaves sessile, sometimes slightly sagittate at the 
base, linear, entire, dentate, or lobed, their margins 
revolute; heads numerous, corymbose, 6’~10” broad; 
involucre narrowly campanulate, canescent or pubes- 
cent, 3-5” high, its principal bracts lanceolate, acu- 
minate, downy within, the exterior ones linear, 
spreading; peduncles usually canescent; achenes 10- 
ribbed, narrowed above into a short beak, the -ribs 
minutely scabrous. 
In waste places and on ballast, New York and New 
Jersey to Connecticut, Ontario, Michigan and Nebraska. 
Naturalized from Europe. June-July. 
