TrichophyUum.'\ COMPOSITE. 315 



33. GAILLARDIA. Foug. 



Radius neuter, Palew pappi uninervise, in aristam longe acuminatte. Stylo hermaphro^ 

 dito rami appendiculati. Rachis tota ebracteolata. — Herbse Boreali-AmericancB, follis 

 alternis^ inferioribus inciso-dentatis ; capitulis solitariis^ longe pedunculatis, terminalibus, 

 disco brunneoy radio luteo. Less, 



1. G. bicolor; pubescenti-hirsuta ramosa, foliis oblongo-lanceolatis radicalibus sinuato- 

 pinnatifidis in petiolum attenuatis superioribus sessilibus sinuato-dentatis, radio bicolori. 

 Lam, EncycL v, 2. p, 585. Fursh, FL Anu v. 2. p. 572. Elliott, Carol, v, 2. p, 4-49. Sims, 

 Bot Mag. t 1602. — Gaillardia lanceolata. Mich, Am, v, 2, p, 142. — Virgilia helenioides. 

 merit,— Sm, Ex, Bot, t, 37.-/3. flore minore. 



Hab. a. and /3. Lake M^inipeg to the Saskatchawan and the Rocky Mountains. Dr. Richardson, 

 Dounlas. Drummond. — /3. chiefly in mountain Prairies on the East side of the Rocky Mountains, and on the 

 tributary streams of the Columbia on the West side. Vouylas, 



2. G. aristata; pubescenti-hirsuta ramosa, foliis oblongo-lanceolatis, inferioribus sinuato- 

 pinnatifidis in petiolum attenuatis, superioribus sessilibus integerrimis, radio unicolori. — 

 Pursh, FL Am. v. 2. p. 573. Lindl, Bot. Meg. t 1186. Hook, Bot. Mag. t. 2940.— Gaillardia 

 bicolor, var, Nutt, — Spreng. 



Hab. Common on the undulating^ dry soils of the Columbia, from the Ocean to the Rocky Mountains : 

 very plentiful where timber has been burned. Douglas. Dr. Scouler, 



34. BAHIA. Lag. 



Eadius $ aut nullus. Palece pappi lineares, truncatae, insequales, muticse. Stijlus 

 exappendiculatus. Rachis tota ebracteolata. — Frutices vel herbae America meridionali {et 

 Boreali) indigeni, foliis alternis vel oppositis, plerumque subtus tomentosis, pinnatifidis vel 

 crenato-lobatis ; capitulis corymbosis vel subgloineratis ; involucris cylindraceis, pauciseriali- 

 bus ; rachide plana, scepe paleaceo-fimbrllUfer a. Lag. 



1. B.artemisicefoUa; foliis alternis sessilibus profunde pinnatifidis subtus niveo-tomen- 

 tosis margine revolutis, capitulis fasciculatis insequalifloris heteroganiis, involucris 9-phyllis 

 1 -serial ibus cylindraceis. Less, in Linricea, v. 6. p, 253. 



Hab. North California, Mr. Menzies : at St. Francisco. Chamisso (in Herb, nostr.) 



35. TKICHOPHYLLUM. Nutt. (Eriophyllum? Lag.) 



Eadius fcemineus. Palem pappi ^quales, obovatae, obtusae, muticje. Stylus exappendi- 

 culatus. Rachis tota ebracteolata.— Herba; Americance^ foliis alternis s. oppositis, integris 

 s, palmato-pinnatifidis ; capitulis hiteis, terminalibus, solitariis, pedunculatis ; involucris 



polyphyllis. Less. 



1. T.lanaturn; foliis oppositis pinnatifidis subtus pra^cipue tomentosis laciniis remotis 

 marginibus revolutis.— 2Vm«. Gen, Am. v. 2. p. 166.— Actinella lanata. Pursh, FL Am. v. 

 2. p. 560.— Eriophyllum csespitosum. Dougl in Bot. Reg. t. 1167, 



Hab. Kooskoosky River, il^f. Zeu-is. Near the sources of the Columbia River. ilf.Zeiris. Commou ou dry 

 sandy or gravelly soils, from the head sources of the Columbia to the Western Ocean. Douglas. Dr. Scouler 



2 R 2 



