lo4 Rydberg: Rocky Mountain flora 



This is perhaps nearest related to G. tcnuifolia, but is shrubby 

 at base ; the leaves are smaller, finely tomentulose beneath and 

 with linear obtuse (instead of oblong acute) divisions, of which the 

 terminal is not conspicuously elongated. G. linearis grows at an 

 altitude of 2100 m. 



Colorado : Calhan, 1893, Saunders. 



Crepis tomentulosa sp. nov. 



Scapose perennial, with a taproot ; leaves basal, glabrous and 

 glaucous, I— 1.5 dm. long, oblanceolate in outline, acute, sessile, 

 dentate with sharp salient or reflexed teeth ; scape 4-5 dm. high ; 

 stem-leaves, if any, linear-lanceolate, bract-like, entire ; involucre 

 turbinate, about 12 mm. high, as well as the upper part of the 

 branches of the inflorescence tomentulose when young ; bracts 

 linear-lanceolate, acuminate, with dark backs, and with a few calyc- 

 culate ones at their base ; ligules bright-yellow, nearly 1 cm. long. 



This species is nearest related to C. glauca, from which it dif- 

 fers principally in the tomentulose involucre and peduncles. It 

 grows at an altitude of nearly 3000 m. 



Colorado : Ruxton Dell, near Pikes Peak, 1901, Clements 34.2. 



Crepis petiolata sp. nov. 



Perennial ; stem with 1-3 leaves, glabrous and often purplish 

 below, more or less glandular-hirsute above, especially the 

 branches of the inflorescence ; basal leaves long-petioled ; blades 

 oblanceolate or spatulate, usually obtuse, sinuate-dentate or entire, 

 about 1 dm. long, glabrous and glaucous ; stem-leaves oblanceo- 

 late and usually sessile; involucre about 12 mm. high, turbinate - 

 campanulate, pubescent with glandular black hairs ; bracts linear- 

 lanceolate, acuminate ; ligules about 12 mm. long and 3 mm. wide ; 

 achenes strongly ribbed ; pappus white. 



This species is related to C. runcinata, but the leaves are 

 glabrous and long-petioled, and the stem-leaves are usually ample. 

 It grows in the mountains at an altitude of 2000-2700 m. 



Colorado : Along Bear River, five miles east of Hay den, 

 1899, Ostcrhout 2/ (type) ; Georgetown, \Z^, Rydberg. 



Wyoming : Headwaters of Clear Creek and Crazy Woman 

 River, 1900, Tweedy 3088. 



Crepis perplexans sp. nov. 



A scapose perennial ; leaves about 1 dm. long, glaucous and 

 glabrous or rarely with a few hairs on the midrib below and on 



