SUNFLOWER FAMILY. 523 



broad. Tube of disk-corolla commonly glandular and hairy. Achenes 

 linear or euneate-linear. Pappus of firm pointless paleaj. (Greek 

 erion, wool, and phuUon, leaf, the herbage woolly.) 

 Sufflrutioose; heads small except no. 3. 

 Heads in close terminal clusters ; involucres obovoid to olslcng 



„Kays 4 or 5 .... . 2. A'. conferMorum. 



Heads peduncledm a loose corymb; involucres campanulate-hemispher- 



ical; rays6to8 3. £. jepsonii. 



Herbaceous; heads larger, scattered on rather long peduncles; involucres 



Leaves broadish; coast species . . . . . .i. E. arachnoideum. 



Leaves narrower; interior species. 



Annual. . . 5. £. idoneum. 



Perennial : var. grandtflorum of . .6. E. lanatum. 



1. E. staechadifolium Lag. Lizarb Tail. Two or 3 ft. high; 

 leaves plnnately parted into 5 or 7 lobes, these again pinnately parted 

 or toothed or entire, the margins revolute and the under surface 

 white with a dense felt-like tomentum; upper surface of leaves green 

 and the tomentum of the stems deciduous; heads 4 or 5 lines high, 

 disposed in close compact corymbs; involucres broadly oblong or 

 somewhat turbinate, bracts linear; rays 6 to 8; pappus-palese 9 to 12, 

 those at the angle of the aehene longer. 



Sandy hills and fields near the ocean. July-Sept. 



2. E. confertiflorum (DC.) G-ray. Stems IJ to 2 ft. high, often 

 unbranched, with a close dense (at length deciduous) tomentum; flower- 

 ing branches very leafy but the leaves small and ternately or pin- 

 nately parted into 3 to 7 narrowly linear divisions; heads 1^ to 2 

 lines high, many in compact terminal clusters; involucre obovoid- 

 oblong, its bracts about 5, ovate; rays 4 or 5, IJ to 2 lines long; 

 palese 8 to 10, nearly equal, about J as long as the aehene. 



Hill and mountain summits of the Coast Ranges. June-July. 

 Greene's var. discoideum from Sonoma Co; is rayless. 



3. E. Jepsonii Greene. Bushy, 2 ft. high; stems white with 

 tomentum, the leaves soon green or greenish; leaves pinnately divided 

 into 5 to 7 narrowly linear lobes; heads 3 to 4 lines high, peduneled 

 in a loose corymb; involucre broadly campanulate-hemispherical, its 

 bracts 6 to 8, ovate; rays elliptical or oblong, 4 lines long, ovate; 

 achenes hispidulous; pappus-paleas in two unequal series, those of the 

 inner set exceeding the outer. 



Mountains between Arroyo Mocho and Arroyo Valle south of 

 Livermore. May. • 



4. E. arachnoideum (F. & M.) Greene. Much branched, de- 

 cumbent at base, 1 ft. high or more; tomentum deciduous or becom- 

 ing thin on the under surface of ihe leaves; leaves broadish (at 

 least some of them 1 in. broad), cleft into 3 to 5 triangular or oblong 

 lobes or variously incised or toothed; involucre hemispherical, its 

 bracts oblong or oblong-ovate, acute; rays 10 to 13, 4 or 5 lines long; 

 pappus-palese short. 



Mountains towards the coast: Marin Co. May-June. 



