Erioyom.n. POLYGONACE.E. 21 



3 lines long, more shortly stipitate at base : akcue sniuotli. — Proc. Am. Aca-l. 



"""ipiue m- subalpiue in the Sierra Nevada, from Silver Mountain {Brewer) to Siskiyou County, 

 Greene. 77/ 



^^ Involucre with short teeth, erect ornmrlj so: peduncles naked {except 



in n. 13). 

 «. Perianth villous: peduncles from a short and thick sparingly branched cau- 

 dex : umbel sivqde. 

 9 E Dvrolcefolium, Hook. Leaves thick, glabrous, round-obovato to oblong, 



3 to 9 linl^S mu!ti; abruptly attenuate into a short petiole, broa.l an.l vil uus 

 at base : peduncle^ smoolh, 2 or 3 inches high, beanng ^^^'l-acteato umlud .^^^ 



4 very shortly pedicellate involucres, which are smuately toothed and m11. u. 

 flowerl rre-cobred, H to 2 lines long, rather sparingly hau•y.-Ke^v Journ. Lot. 

 V 395, t. 10 ; Torr. & Gray, 1. c. 162. , . . 



memlna„aceo„s: Bower, y«ll". ^g '''^;"\„f ? i^]'"? ije?" A commo,, s,,/cie,, ..nging 



founil in Northern Caliiornia. 



«- ^ Perimdh glabrous: peduncles from a diffusely branched woody base. 

 = Umbel compound, villous-tomentose : bracts conspicuous. 



10 E ursinum. Watson. Densely tomentose, the peduncle and "nibel some- 

 what vTlioTvs : leave's ovate, acute, 4 to 6 lines ^-d, corda e or^^^^^^^^^^^^^^^ 

 exceedincr the petiole, greener above : peduncles stout, 6 to 12 mche. high . umnei 

 6-12r™l wLelonlatcdoblanceolateorlinear bracts: involucres large and tu.- 

 binate, sharply toothed": Howers pale, V, to 2| lines long : filaments very vdlou. - 

 Proc. Am. Acad. x. 347. ir „ \r p 



In the Northern Sierra Nevada ; Plumas County, apparently abundant, Lemmon, M,s. M. L. 



^== Umbel Simple, tomentose, the central involucre sessile or all s^tbcapitate : 



bracts small. 



1 1 r incanum Torr & Gray. Somewhat cespitose and matted, tomentose : 

 leave's ^bla^^eoZ^^r oW^^^^^ a half to an inch long, on short pe^^^^^^ 



pXncles slender, 2 to 8 inches high : umbel of 5 to 8 ^l-^^/^^-, -^^^^^^^^^ 

 a few small linear bracts, the central involucre sessile or ^^^.^^^^.^v^rf^w^ 

 a small head: involucres small (1-| lines long), strongly too hed. flo^^ er. 5 ellow, 

 often tinged with red, 1 to 3 lines long. - Proc. Am. Acad, vi 1 161. 



In the Sierra Nevada, Mariposa and Tuolumne counties, at 8,000 to 11,000 feet altitude. 



12. E. marifblium, Torr. & G:.y, 1. c. J-y^^ide. ^^^l^^:;^,:!:^ 

 fusely brauch.d : Laves ovate to oblong, 3 to 6 Lies m^, ^]^ ^ 5 ^^ ^S 



sides or at length glabrous above: Pf V" with si In^ r bra t: involucre a 



reduced or sometimes much elonga ed ^ ^f^^^:^^^l,^,, apparently 

 line long : flowers yellow or yellowish, 1 to Z^ imcb ion„, 

 only staminate. ,, Af.„„f Shasta at 7 000 to 9,000 feet altitude ; 



In the Sierra Neva.la, from Mariposa County to Mount Shasta, at /,uuu i , 

 also near Pyramid Lake, Nevada, Lcmnion. 



