we hiivc also n-lfir.Ml to Uun simmIcs, (lioui-'li Ukto arc somr ^,ligllt <lil- 

 IViciiL-cs. 



T1m> wriukled liuil-\viiig.>5 are \ cry striking; in the ininiatiiio stage tliat 

 has licoii collected. Imt many fruit-wings show the same sort of wrinkling 

 while immature and become plane enough when fully developed. The 

 characters of leaves and indorescence, however, s(M\e well to distinguish 

 this species from (' (flohosux. 



T). C. nivalis Watson, Kint^'s Rep. v. Ti:*. VVitli lono- and 

 branching c-andcx, i^lancons, niinntely scabrons-pnlicrnlcnt to gla- 

 l)rons: leaves simply pinnate, with leaflets H to ^-lobed or pinnatel}' 

 dissected, the segments oblong-lanceolate: peduncle 2 to 4 inches 

 high, exceeding tlie leaves, bearing a small nearly capitate umbel; 

 involucels of broad obtuse membranous liractlets united at base 

 and nearly equalling the white or pinkish Howers: fruit-wings 

 eciual, thin: section unknown. 



East Humboldt Mountains, \evada, !»()<»() to loooo feet altitude. July 

 and August ( WatMoin. 



^ ;j; Involucre and iiivoliiceh botli conspicuous. 



<». C. montanus Torr. (fc Cray, Fl. i. <)24, Leaves clustered 

 at the summit of the very short stem, glaucous and glabrous (rarely 

 slicrhtlv puberulent) : leaves pinnate or bipinnate; pinnie oblong, 

 jiinnatitid with oblong obtuse entire or toothed lobes: peduncles 1 

 to <) inches high: rays 3 to 9 lines long; pedicels very short; invol- 

 ucre and involucels of mostly broad membranaceous usually green- 

 veined bracts, more or less united: fruit oblong in outline, 8 to 

 lines long, the 8 to T) carpel wings broad and thin (thick at base): 

 oil-tubes ] to 8 in the intcr\als, 4 to 8 on the commissural side. 



(Fig. 79-) 



From New Mexico to Colorado, Utah, and Yellowstone Park (Twcfdj/), 

 east to Texas, Kansas (L. Wafsoti], and Nebraska (//«(/'/''«)• Fl. March 

 and April. 



This is Ff «rf/e*- 27.') and Ifall A- llarlnur 211. The species] is «|Uite 

 variable in its involucre and involucels. While in some specimens they 

 are quite conspicuous and almost cup-like, in others they are narrow and 

 nearly distinct. 



\'ar. purpurascens (ira\-, Ives Colorado Rep. 1 '">, With 

 \ ery broad and conspicuous involucels nearl} enclosing the flowers, 

 obtr.se and tinged or veined with purple and green: fruit large and 

 very broadly winged. -C. montanus \-a\\ glohosus Watson, King's 

 Rep. v. 124, as to fruit. 



From New Mexico to S. California [PariHin and Nevada 



