352 COMPOSITE. Gaillardia. 



# More or less pubescent or hirsute with many-jointed hairs, leafy-stemmed : leaves not coriaceons : 

 bracts of the involucre (at least the outer and larger) inainly foliaceous and spreading, la; ceo- 

 late or narrower: disk-flowers apt to turn brown or dark-purple: villous hairs covering the 

 akene mainly at its base or below the broad summit: pale^ of tlie pappus slender-awned. 



-I— Fimbrillie of the receptacle obsolete or reduced to very short soft teeth: corolla-lobes caudately 

 acuminate from a short broadish base. 

 G. lanceolata, Michx. Minutely or somewhat cinereously pubescent, not hirsute, about 

 2 feet high from an annual or perhaps perennial root, virgately branched : leaves rather 

 small, from spatulate-lanceolate to linear, entire or slightly or sparsely serrate : outer bracts 

 of the involucre lax and herbaceous to the base : rays rather few and sparse, half or two- 

 thirds inch long, 3-cleft into narrow lobes and with slender tapering base, sometimes obsolete 

 or wanting : flo.wers sweet-scented : the disk commonly dark and the rays yellow or copper- 

 colored with dark veins. — Fl. ii. 142 ; Gray, 1. c. ; Torr. & Gray, 11. ii. 3G.5, not DC. 



Galardia bicolor, Pursh, Fl. ii. 572 (excl. syn. and it cannot be Liijsera Carolinianu, Walt.) ; 

 Nntt. 1. c. ; Ell. Sk. ii. 449. Poli/pteris integri folia, DC. Prodr. v. 659, excl. syn. — Dry pine 

 barrens, S. Carolina to Florida, Kansas, and Texas. 



-I— -1— Fimbrillse of the receptacle setiform or subulale-aristiform, mostly surpassing the akenes. 



++ Lobes or teeth of disk-corolla subulate-acute and usually tipped with a seta or cusp, externally 

 beset with long and beaded hairs : rays usually nuniei'ous and when well de*^eloped contiguous 

 or o^'erlapping, short-cuneate at base; pappus aristate even in the ray-flowers: bracts of invo- 

 lucre callous at base, more or less hirsute, as also the herbage. 



*Gr. aristata, Puesh. Perennial; often 2 feet or more high: leaves of firm texture, lanceo- 

 late or broader, or lower spatulate, from entire to laciniate-dentate or sinnate-pinnatifid : 

 rays all yellow, in the largest heads inch and a half long : setiform fimbrillae sometimes little 

 shorter than disk-corollas. — Fl. ii. 57.3; Lindl. Bot. Reg. t. 1186; Hook. Bot. Mag. t. 2940, 

 & Fl. i. 315 ; DC. Prodr. v. 652 ; Gay, 1. c. ; Torr. & Gray, 1. c. G. bicolor. Hook. Fl. 1. c, 

 excl. syn. G. bicolor, var. aristata, Nutt. Gen. ii. 175; Hook. Bot. Mag. sub t. 3368. 

 G. rustica, Cass. Diet, xviii. 20; Desf. Cat. G, lanceolata, DC. 1. c, excL syn. — Plains, 

 Saskatchewan to Brit. Columbia and Oregon, south to S. Colorado, New Mexico, and even 

 the borders of California ■? 



^G. pulchella, Foco. I.e. Annual, a foot or less high, diffusely branched at base: leaves 

 softer, from entire to pinnatifid : rays two-colored, lower part red-purple or darker, the upper 

 or teeth yellow, at most inch long : lobes of disk-corolla more attenuate : fimbrillre rather 

 stouter, hardly surpassing the mature akenes. — Cass. Diet, xviii. 19; DC. 1. c. ; Gav, 1. c; 

 Torr. & Gray, 1. c. G. bicolor. Lam. Diet. 5i. 590, & 111. t. 708; Sims, Bot. Mag. t. 1602 (as 

 to figure) ; Hook. Bot. Mag. t. 3551 (var, Drummondii, intp.rjerrima). G. Druiiimondii, DC. 

 Prodr. V. 652. Virgil ia helioicles, L'PIer. ; Smith. Exot. Bot. i. t. 37. — Plaius, Louisiana, 

 Arkansas, and Te.x:is to Arizona. (Adj. Mex.) 



Var. picta. Form with somewhat succulent leaves, when growing near the seashore : 

 fimbrilla; of the receptacle shorter and stouter, more or less subulate, — G. bicolor, var. Drum- 

 mondii, Hook. Bot. Mag. t. 3368. G. picta, Don, Brit, Fl. Gard. ser, 2, t. 267 ; Gay, 1. c — 

 Texas, in low grounds. Common in gardens. 



++ ++ Teeth of the disk-corolla short and broad, obtuse, pointless or obscurely apiculate: invo- 

 lucre more or less callous at base. 



= Akenes destitute of villous haii-s (glabrous or glabrate) at the upper part, and not overtopped 

 by tlie basal villi : fimbrillae of the receptacle setiform, equalling or surpassing the akenes : leaves 

 undivided. 



G. ambl^odon, G.vt. Annu.al, a foot or two high, leafy to the top, mostly hirsute: leaves 

 oblong or tlie lower spatulate, all sessile by an auricuLite biise, denticuLate or the up];er 

 entire; br.atts of the involucre hirsute-ciliate, outer with coiis]iiciious erect callous base; 

 rays numerous and couti','uous, oblong-cuneate, throughout brownish red or maroon-color, an 

 inch or less long: ray-]Kippus awnless, — Ann. Sci. Nat. I.e.; Torr, & Gray, Fl. ii. 367 ; 

 Gr.iy, Chloris Am. Bor. (Mem. Am. Acad, iii.) 32, t. 4; Meehan, Nat, Fl. ii. t. 46. — Sandy 

 prairies of 'J'exas ; first coll. by Drammond. 

 - G. Mexicana, Gray. A f.iot or less high from a perennial root, with the habit of G. lan- 

 ceolate, minutely pubescent, naked above, with long rather rigid pciluncles : leaves lanceolate, 

 rather small, entire, or tha lowest cauliue and radical sparingly dentate or laciniate : head 



