ERIOG-ONTDI FLAVUM, Nul 

 cent with a silky- woolly or 

 high, from a thick, many-pa 

 spatulate, becoming more or| 

 on the caudex ; . involucral 

 the same number; perigonil 

 the outside, funnel-form atl 

 ovary hirsute at the apex. 

 Around Denver and Colorac 

 Coulter. Canon City, Brant 



ERIOGONUM HERACLEOID! 

 der, lJ-2 high, woolly, t< 

 curnbent, subcsespitose, fascil 

 scape-like peduncles souieti 

 leaves in the middle, with a 

 part involucrate-bracted ; leal 

 woolly beneath or on both sij 

 ing and soon reflexed, with] 

 yellow, very glabrous calyx \ 

 filaments villous below ; ova 

 top, especially upon the angll 



ERIOGONUM UMBELLATUIJ 

 foot high, woolly, tornent< 



branches decumbent or cm 



fasciculate-leafy at top ; leaves obovate-spatulate or oval, narrowing to 

 a petiole, white-woolly beneath ; peduncles scape like, leafless excepting 

 the involucre of bract-like leaves subtending the simple or rarely sub- 

 compound umbel; involucre deeply 6-8 cleft, many-flowered ; calyx very 

 glabrous, yellow or sometimes white, the segments 2-3 times longer than 

 the slender stipe ; filaments and ovary as in the last. Hall & Harbour, 

 504; Parry. Near Denver, Dr. Smith. Canon City, Brandegee. Plains 

 and foot-hills near Colorado Springs, Porter. Sierra Madre Range and 

 plains of the Platte, Coulter. 



Var. MONOCEPHALUM, T. & G. Dwarf, depressed, caespitose ; leaves 

 glabrate above or on both sides, the blade J'-J' long ; scape %'-3' high, 

 slender, bearing 2-4 capitate involucres with usually 1-3 bracts, or a 

 single larger one, usually naked; flowers smaller. Twin Lakes, Coulter. 



ERIOGONFM (LACHNOGYNA) ACAFLE, "Suit. T. & $., /. c., p. 163. 

 Perennial, matted-ca?spitose, white- tomentose ; leaves sessile, densely 



