450 SUPPLEMENT. 



P. flexuosa, Gray. Widely branched from a woody base, canescently puberulent or gla- 

 brate in age : branches slender, flexuous : leaves coriaceous, short-petioled, deltoid-lanceolate 

 and laciniate-dentate, or upper lanceolate with cuneate base, feather-veined, the tapering tip 

 and coarse teeth somewhat spinulose : heads naked-paniculate on the branches : fertile invo- 

 lucres pubescent, armed with 7 or 8 stout-subulate and widely spreading straight spines, 

 2-3-flowered. — Proc. Am. Acad. xx. 298. — Canon Cantillas, within the borders of Lower 

 California, Orcutt. 



F. chenopodifolia, Benth. To stand between F. deltoidea and F. eriocentra, habit of the 

 formei- : leaves broadly ovate or subcordate, rather slender-petioled, crenate-serrate, rarely 

 somewhat incised, an inch broad, minutely white-tomentose, upper face glabrate : fertile in- 

 volucres glomerate, subglobose, 2-3-flowered, tomentose-lanate, but the numerous subulate 

 divergent spines naked. — Bot. Sulph. 26. — All Saints Ba/, in Lower California, Orcult. 

 Hinds found it farther south, at Bay of Magdalena. Probably may reach the U. S. border. 



101. GYMNOLCMIA, HBK. 



G. triloba, Gray, p. 269, has a thick perennial root, and should be transferred to the second 

 division, after G. tenuifolia. 



G. encelioid.es, Gray, and the division under which it stands, are to be suppressed, as also 

 Viguiera tephrodes, p. 271. See Helianthus, infra. 



104. HELIANTHUS, L. After H. debilis, p. 273, add : — 



H. tephrodes, Gray.. Annual, strigose-canescent, or the stem and branches more loosely 

 hispidulous : leaves ovate-lanceolate or ovate-oblong, obscurely denticulate or entire (an inch 

 or two long), soft strigose-canescent both sides, rather long-petioled : heads short-peduncled : 

 involucre 4 or 5 lines high, of oblong-lanceolate acute bracts : rays broadly oblong : bracts 

 of the receptacle nearly entire and glabrous : akenes linear-oblong, thickish, silky-hairy at 

 least above : pappus of two oblong or linear caducous small and thin palea?, which some- 

 times do not surpass the hairs of the akene. — Bot. Mex. Bound. 90, & Proc. Am. Acad. xx. 

 298. Viguiera nivea, Gray, Bot. Calif, i. 354, excl. syn. V. tephrodes, Gray, & Gi/mrtolomia 

 encelioides (Proc. Am. Acad. xix. 4), Gray, supra, 269, 271. — Southern borders of California 

 and Arizona about the head of the Gulf, Schott, Parish. (Adj. Sonora, Pringle.) 

 H. Oliveri, Gray. Perhaps next II. Parishii, p. 277, tall and stout (10 or 12 feet high), 

 leafy to the top, remarkable for its sof t-villous and even tomentose pubescence and no rough- 

 ness: leaves all alternate, lanceolate (4 to 7 inches long), tapering to an acute point, and at 

 base into a short and margined petiole, nearly entire, obscurely triplinerved near the base: 

 involucre also villous, of linear-subulate bracts, not surpassing the disk : rays an inch long-: 

 paleas of the pappus subulate from a broad base. — Proc. Am. Acad. xx. 299. — S. Califor- 

 nia, in low grounds between Los Angeles and Santa Monica, J. C. Oliver. 

 H. dealbAtus, Gray, p. 280. Collected in excellent specimens by E. L. Greene, 1885, on 

 Cape San Quentin, Lower California; the foliage very silvery and soft with the dense pannose 

 tomentum. Prom the habitat, the i?nce/i'a-like aspect, and the whole description, this is evi- 

 dently Encelia nivea, Benth. Bot. Sulph. 27, the new specimens with peduncles even longer than 

 described, and the bracts of the involucre come near to ovate-lanceolate. The small and narrow 

 palese of the pappus are so very caducous from the ovary that Bentham overlooked them. 



107. HELIANTHELLA, Torr. & Gray. 



H. Califomica, Gray, p. 285. Add syn. : TI. Nevadensis, Greene, Bull. Calif. Acad. i. 90, 

 the state with small awns and intermediate exiguous squamellse more developed ; but traces 

 of both are found in the original of coll. Bigelow, sometimes whole pappus obsolete from 

 the first. 



118. BALDWfNIA, Nutt. 

 B. uniflora, Nutt., p. 302. Add syn. : Viguiera glanduhsa, Bertol. Misc. Bot. vii. 45. 



