SUNFLOWER FAMILY 125 
blackish body and narrow, whitish, crustaceous margin produced into 2 strong persistent 
wns connected at base by a conspicuous, ; eet aii crown, [From the Greek 
word meaning old, referring to the canescent-villous achenes. ] 
genus of the following 2 species. Type species, Geraea canescens = og ‘& Gray. 
Heads radiate; phyllaries linear to linear-lanceolate, densely white-ciliate aes — 
Heads discoid; phyllaries oblong to ovate, densely glandular, obscurely ciliate, . G. vise 
1. Geraea canéscens Torr. & Gray. Desert Sunflower. Fig. 5178 
Geraea canescens Torr. & Gray ex A. Gray, 
Proc. Amer. Acad. 1: 49. (Jan.?) 1847. 
Simsia canescens A. Gra 
y, Mem. Am ts Metide TL: 42 BS 1849. 
Encelia eriocephala A. pc Proc. plea Acad. 8: 657. 1873. 
Erect annual 1-6 dm. h; stem simple or branched, glandular and spreading-hirsute or 
-hispid. Lower leaves cuneate-obovate or obovate 
, 1.5-13 em. long, 0.5-4 cm. wide, usually acute, 
( arr to a margined base, r ) ‘ 
middle or i 
i : Sis, 
naked panicles; involucre 2-3-seriate, subequa l or ate, 8-12 
rly 
radu igh, the  pavtlat fies ‘hineat 
or lance-linear, aoeastteea te. green ont usually ne Hee on back bP di Mien det hispid-ciliate except 
wi Oe 
* 
A Ae a3 
5 wee 
et dt i Ma 
Oetker 2 dene 
”y 
of 
gw 
SI79 
5176. Encelia virgi i 
5177. Encelia californica 
5178. Geraea canescens 
5179. Geraea viscida 
