COMPOSITiE. 361 



xicral bracts coriaceous, the outer successively shorter, often with 

 greenish but iTsually appressed tips. Flowers of both ray and disk 

 permanently yellow. Style appendages slender. Achenes angled or 

 striate, mostly silky. Pappus paleaceous. 



1. G. Californica, T. & G. Fl. ii. 193 (1842); DO. Prodr. v. 313 (1836) 

 under Brachyris. Stems tufted, ascending from a woody base, 1,^ ft. 

 high, loosely paniculate: leaves linear, acute, scabrous : heads few, 

 solitary or in pairs or threes at the ends of the branchlets, turbinate or 

 obovate, 3 lines high ; fl. of disk and ray each 8 — 10 : achenes densely 

 silky : pappus of about 12 unequal acutish scales, none longer than the 

 achene.— Dry hills of the Coast Range. June — Sept. 



2. G. lucida. Xanthocephalnm lucidum, Greene, Pitt. ii. 282 (1892). 

 Size and habit of the preceding, but of a light green and very resinous : 

 inflorescence densely cymose-panicled and heads very narrow, little 

 more than a line long, mostly with only 2 flowers, 1 of the ray and 1 of 

 the disk : bracts of involucre closely appressed : pappus of 4 or 5 acute 

 scales. — Dry hills far southward, bordering the Mohave Desert. 



5. EASTWOODIA, Brandcgee. Nearly allied to Gutierrezia, but with 

 few and very large heads. Achenes enfolded by a complicate receptacular 

 bract as iu many Helianthese. Kays wanting. 



1. E. elegans, Braudg. Zoe, iv. 397 (1894). Shrub 1% ft. high; 

 branches with a white bark : leaves small and scattered, oblanceolate- 

 linear, entire, sparingly scabrous : heads solitary, terminating leafy 

 branchlets. — Dry hills east of Bakersfield, Cariso Plains, etc. 



6. GRINDELIA, Willdenow. Coarse herbs or suff'rutescent plants, 

 with sessile rigid most serrate leaves, and rather large hemispherical 

 heads terminating corymbose branches. Bracts of involucre imbricated 

 in many series, with usually narrow herbaceous squarrose-recurved tips. 

 Flowers of both disk and ray very numerous, permanently yellow. 

 Style-appendages lanceolate or linear. Achenes short, thick, compressed 

 or turgid, truncate, glabrous. Pappus of 2—8 deciduous stout awus or 

 bristles. 



* HerhnceoHK perennials, flowering in early summer. 



1. G. oainporum, Greene, Man. 171 (1894). Stems white and shin- 

 ing, tufted from a perennial root, 2 ft. high, glabrous, very leafy up to 

 the loosely corymbose heads, even the branches of the corymb conspic- 

 uously leafy-bracted ; radical leaves almost wanting, cauline oblanceo- 

 late-spatulate, sessile and clasping, 2 in. long, saliently serrate-toothed ; 



