374 COMPOSITE, 



acutisb or obtuse: rays 10— 16, narrow: achenes pubescent. — Sbady or 

 moist grounds, from middle California northward. July — Oct. 



5. S. Californica, Nutt. Trans. Am. Phil. Soc. vii. 328 (1840). 

 Koughish with an almost cinereous short pubescence; commonly 2 — 4 

 ft. high: leaves ampler and more numerous below, passing from obo- 

 vate to oblong-lanceolate and lanceolate, and from obtuse to acute, the 

 lower and broader more or less serrate: panicle usually virgate but 

 loose, 4 — 12 in. long, the racemiform clusters secund but seldom re- 

 curved: heads 3 lines high; bracts lanceolate-oblong or oblong-linear, 

 obtusish, pubescent, rays 7 — 12, pale yellow: achenes pubescent. Var. 

 Nevadensis, Gray. Inflorescence more secund: heads smaller: invo- 

 lucre mostly glabrous. — Very common in dry soil. The variety peculiar 

 to the Sierra Nevada. July — Oct. 



* * Heads fewer and larger, somewhat, thyrsoidly congested. 



6. S. spathiilata, DO, Prodr. v. 339 (1836). Glabrous, slightly gluti- 

 nous, with the odor of Qriudelia, 1 — -2 ft. high: stems decumbent and 

 even suffrutescent at base: lower leaves spatulate, 2—4 in. long, rounded 

 at apex, serrate: heads 4 lines high, almost as broad, about 25-flowered, 

 disposed in short racemes thyrsoidly crowded at and near the summit of 

 the stem: bracts of involucre oblong or broadly linear, all but the in- 

 most series obtuse and green-herbaceous almost throughout, the inner 

 acutish and with a green mid vein: rays short: achenes pubescent. — On 

 bluifs near the sea at Point Lobos; also in the Mission Hills, and south- 

 ward to Monterey. Aug., Sept. 



18. HA.Zi.RDIA, Greene. Low shrubs or suffrutescent plants, with 

 subcoriaceous more or less persistent toothed or serrated leaves, and 

 spicate or somewhat thyrsoidly congested heads. Involucre oblong- 

 obovid or obconic, its numerous bracts in many series, closely imbri- 

 cated, often with more or less distinctly squarrose -spreading tips. 

 Heads 2(J — 40 -flowered. Rays yellow, or none. Disk-corollas narrow, 

 merely 5-toothed, yellow, changing to red or brown. Style-tips linear- 

 subulate. Achenes fusiform, slightly compressed, few-nerved. Pappus 

 reddish. 



1. H. squarrosa, Greene, Eryth. ii. 112 (1894); H. & A. Bot. Beech. 

 146 (1833), under Aplopappus. Suffruticose, erect, 2—3 ft. high, gland- 

 ular and glutinous: leaves oblong, 1 in. long, spinulose-dentate: heads 

 many, spicately thyrsoid toward the summit of the branches, ^ in. long; 

 bracts of the involucre rigid, appressed, multiserial, with abruptly 

 spreading tips: rays none: achenes sparsely pubescent.— Hills along the 

 coast from Monterey southward. 



