40 NORTH AMERICAN FLORA [VOLUME 34 



4. Hulsea Parryi A. Gray, Proc. Am. Acad. 12: 59. 1876. 



Htdsea vestita pygmaea A. Gray, Syn. Fl. N. Am.l^: 343. 1884. 



A subscapose perennial with cespitose caudex; leaves basal, numerous, oblanceolate or 

 spatulate, rather loosely white-floccose, sharply dentate ; stems monocephalous, scapiform and 

 1-2 dm. high, or in alpine forms {H. vestita pygmaea) very short or almost none; stem- 

 leaves reduced, linear, bract-like; involucre 10-18 mm. broad; bracts linear-lanceolate, acute, 

 viscid-ciHate and glandular-puberulent ; ligules 5-6 mm. long, yellow or tipped with purple; 

 tube of disk-corollas 2.5 mm. long, glandular; throat 3 mm. long; achenes 5 mm. long, silky- 

 hirsute, especially on the angles; pappus-squamellae oblong, fully 2 mm. long. 



Type locality: Southeastern California, in the Mohave district. 

 Distribution: Mountains of Southern California. 



5. Hulsea Larseni (A. Gray) Rydberg, sp. nov. 



Hulsea nana Larseni A. Gray, Bot. Calif. 1: 387. 1876. 



A cespitose perennial; stems about I dm. high, more or less white- villous; leaves usually 



scattered on the short stem, 2-4 cm. long, villous and glandular-puberulent, oblanceolate, 



pinnately lobed, with short ovate or oblong divisions; peduncles 1-5 cm. long; heads soHtary; 



involucre about 2 cm. broad, turbinate; bracts linear-lanceolate, densely white- villous, acute; 



Hgules yellow, 5-6 mm. long; tube of disk-corollas glandular, 2 mm. long; throat 3 mm. long; 



achenes 7 mm. long, long-silky, especially on the angles; pappus-squamellae oblong, laciniate, 



unequal, 1-2 mm. long. 



Type locality: Lassen's Peak, California. 



Distribution: High mountains of northern California and Oregon. 



6. Hulsea nana A. Gray, in Torr. Pacif. R. R. Rep. 6: 76. 1857. 



A cespitose subscapose perennial; leaves crowded at the base, oblanceolate, 2-5 cm. 

 long, viscid- villous, pinnately lobed with oblong, obtusish divisions; stems scapiform, usually 

 less than I dm. long; involucre hemispheric, about 2 cm. broad; bracts linear-lanceolate, 

 acute, viscid- villous and glandular-puberulent; ligules 8-10 mm. long; tube of disk-corollas 

 2 mm. long, glandular; throat 3 mm. long; achenes about 6 mm. long, long-silky; hairs hiding 

 the short, unequal, oblong-obovate squamellae, which are about 1 mm. long. 



Type locality: Crater Pass, Cascade Mountains, Oregon. 

 Distribution: On volcanic ash, high mountains, Washington and Oregon. 

 Illustration: Pacif. R. R. Rep. 6: pi. 13. 



7. Hulsea caraosa Rydb. Mem. N. Y. Bot. Gard. 1: 423. 1900. 



A cespitose perennial with creeping rootstock; stems 1.5-4 dm. high, very leafy and 

 fleshy, viscid-hairy and glandular-puberulent; leaves fleshy, linear, 3-ribbed, 5-10 cm. long, 

 sinuately lobed with broadly triangular lobes; heads solitary; peduncles 2-10 cm. long; 

 involucre hemispheric, 2-2.5 cm. broad; bracts linear-lanceolate, viscid-pubescent, acute; 

 ligules yellow, 8-12 mm. long; tube of disk-coroUas 3 mm. long, glandular-pubescent; throat 

 fully 3 mm. long; achenes fully 1 cm. long, long-silky, especially on the angles; pappus- 

 squamellae ovate, fimbriate, 2 mm. long. 



Type locality: Indian Creek, Montana. 



Distribution: Among loose rocks on high mountains, southern Montana, Idaho and the Yel- 

 lowstone National Park. 



8. Hulsea algida A. Gray, Proc. Am. Acad. 5: 547. 1865. 



Hulsea caespilosa Nels. & Kenn. Proc. Biol. Soc. Wash. 19: 38. 1906. 



A cespitose, subscapose perennial; stems 1-2 dm. high, viscid- villous; basal leaves 

 crowded, linear, repand-dentate with short lanceolate teeth, 3-nerved towards the base, 5-10 

 cm. long, viscid- villous ; stem-leaves reduced, linear-lanceolate; heads solitary; involucre 

 2-2.5 cm. wide; bracts linear-lanceolate, acuminate or attenuate- villous and somewhat viscid; 

 ligules yellow, about 1 cm. long; tube of disk-corollas 2 mm. long, glandular-pubescent; 



