178 COMPOSIT.E. Aster. 



A. Kingii, Eaton. A span or less high, cespitose : leaves mainly radical, spatulate, entire, 

 or with few sharp teeth, iiiucrouate, thinnish, glabrous or nearly so (1 to 3 inches long) : 

 flowering steins pubescent and above glandular, bearing solitaiy or 3 to 5 middle-sized heads : 

 involucre somewliat campauulate, 4 or 5 lines high, merely puberulent- glandular, hardly at 

 all viscid ; tlie bracts linear-lanceolate with attenuate and squarrose-spreading green tijjs : 

 rays less than 30, barely half-inch long, white: akenes narrow, pubescent. — Bot. King 

 Exp. 141, t. IG. — Utah, in the Wahsatch Mountains at 7,000 to 11,000 feet, Watson, Parry, 

 M. E. Jones. 



■H- ++ Stems brandling: leaves comparatively small: species neither alpine nor subalpine. 

 = Involucre of the small and scattered or somewhat racemoseh' disposed heads not squarrose ; the 



green tips of the bracts more or less erect: slender and low species, a span to a foot or less high, 



of the Rocky Mountain and interior western region. 

 A. campestris, Nutt. Pruinose-puberuleut and viscidulous, somewhat heavy-scented : 

 leaves linear (about an inch long, a line or two wide) or lower narrowly lingulate-.spatulate 

 (radical "serrulate," Nuttall), mostly glabrate, some obscurely 3-nerved : involucre 3 or 4 

 lines high, hemispherical, of rather few-ranked and little unecpial linear acute bracts, prui- 

 nose-glandular ; rays 3 or 4 lines long, light violet or purple. — Trans. Am. Phil. Soc. (n. ser.) 

 vii. 293. — Low grounds and plains, interior of Washington Terr, and Idaho to Montana 

 (first and sparingly coll. by Nuttall and Spaldimi, recently by Watson, Suksdorf, Forwood, 

 &c.), E. Oregon (Cusich) to N. California (Greene). 



Var. Bloomeri. More rigid (in drier more exposed situations) : stem and leaves hir- 

 sutulou.s : invidncral bracts sometimes more unequal. — A. Bloomeri, Gray, Proc. Am. Acad, 

 vi. 539, & Bot. Calif. 323. — High slopes, &c., W. Nevada, Bloomer, Leiiimon, in specimens 

 of the latter, from Carson, passing into A. campestris. 

 A. Pendleri, Gray. Rigid, a span to a foot high, sparsely hispidulous : the linear one- 

 nerved lirm leaves hispid-ciliate, otherwise usually smooth and glabrous : involucre somewhat 

 campauulate (3 lines high) ; outer bracts shorter, linear-oblong, obtuse, pruinose-glandular, 

 inner acute or apiculatc : rays violet, 4 lines long. — PI. Fendl. 66. A. Nuttallii, var. Fendleri, 

 Gray, Pacif. R. Rep. iv. 97. — Plains and sand-hills, from W. Kansas to S. Colorado and 

 N. New Mexico ; first coll. by Fendler. 



= = Involucre of the large heads very squarrose-foliaceous : leaves proportionally very small, 

 rigid, recurved or reflexed. 

 A. grandiflorus, L. About 2 feet high, with long and .slender spreading rigid branches, 

 hispid with short spreading bristles, not viscid : leaves oblong-linear or obscurely spatulate, 

 rough-liispidulous ; cauliue rarely 2 inches long ; of the branches half to less than quarter 

 inch long; uppermost passing into bracts of the (half-inch high) many-ranked obscurely 

 grauulose-viscid involucre ; the green tips oblong-linear or shorter, or the inner linear : rays 

 three-fourths inch long, deep violet, large and numerous, rather broad : akenes little com- 

 pressed, cane.scent, 7-1 0-costate. — Spec. ii. 877 (Martyn, Hist. PI. Rar. t. 191 ; Dill. Elth. 

 t. 36, fig. 41 ) ; Mill. Ic. t. 282 ; Bot. Reg. t. 273 ; Iloffm. Pint. Blatt. 65, t. A, f. 1. A. asper- 

 rimus, Nutt. Trans. Phil. Soc. vii. 293. — Dry and gravelly soil, Virginia to Georgia in the 

 middle country. 



===== Involucre of middle-sized (a third to half inch) heads well imbricated; the unequal 

 bracts with loose squarrose-spreading tips: leaves not rigid, spreading. 



A. Novse-Anglise, L- Stem stout and strict, 2 to 8 feet high, very leafy to the top, 

 coar.sely hirsute or hispid with many-jointed hairs, also with glandular pubescence : leaves 

 lanceolate or broadly linear, pubescent (2 to 5 inches long), entire, slightly if at all narrowed 

 below, half-clasping by a strongly auriculate-cordate base : heads crowded : rays 50 to 60 or 

 more, fully half-inch long, purple. — Spec. ii. 875 (Hort. Cliff. 408 ; Herm. Par. Bot. t. 98) ; 

 Bot. Reg. t. 183; Torr. & Gray, Fl. ii. 144. A. amplexicaulis. Lam. Diet. i. 304, excl. syn. 

 Tourn. A. spuriiis, Willd. iii. 2032, a low and branching form with scattered heads. A. 

 concinnus, Colla, Hort. Rip. App. iii. t. 12, not Willd. — Low grounds, Canada and Saskatch- 

 ewan to S. Cai-olina and Colorado. A peculiar and handsome species. 



Var. roseus, DC. Rays rose-colored. — (Bot. Reg. 1. c. fig. d.) A. rose.us, Desf. Cat. 

 ed. 3, 401, not Stev. — With the ordinary form occasionally, permanent in cultivation. 



A . oblongifolius, Nutt. About 2 feet high : stem hirsute-pubescent, very leafy, corym- 

 bosely branched : leaves from narrowly oblong to broadly linear (larger cauline 2 inches 



