ASTER FLEXILIS 173 
“Stem low, slender, smooth and virgate: leaf-blades small, 
short, thin, dull, dark green, ovate-acute with the broad double 
rounded base bisected by a deep sharp sinus; margins crenate- 
serrate with low obscure teeth; petioles short ; inflorescence 
scanty, tuftlike, or of a few slim-peduncled heads : bracts narrowly 
linear, obtuse, quite uniform ; plant almost destitute of hair (under 
lens); otherwise nearly as A. divaricatus L. Differs from A. 
Boykinit (with which it grows) especially in its smaller shorter 
dull leaves, the sharp sinus, crenate margins, and obtuse bracts. 
— In the mountains, eastern Tennessee, Georgia, and Alabama. 
— Late summer and fall. Type, Buckley, 1840, in Herb. C. U." 
Further remarks. Tends to small size, flexed and unbranched, 
with small sinus continuously developed.  Axiles oval or short- 
oblong, leaves finely rugulose, with dark impressed veinlets. 
Teeth shallow, close and uniform. Bracts highly coriaceous ,short- 
ciliate, finely puberulent over the back ; a few lower ones acutish. 
Examples : 
Ga., “a starveling 4. corymbosus, Mts. of Georgia, in a parcel from Buckley, 
Feb. 1, 1841," Gray scr., in herb. Torr: 
Ga., ** A. corymbosus,’’ Mts. of Georgia, apiid in herb. Colu 
Ga., Ringgold, Catoosa Co., Au. 6-12, 1895, alt. 800-900 ft., J. K. Small in 
hb. N. = Bot. Gard. 
, Whitfield Co., along brook in rich woods at east base of Taylor’s ridge, 
alt. 975 x Juv. s Eni Roland M. Harper in hb. N. Y. Bot. Gard. 
r Co., among rocks, east slope of Pigeon Mt., án. I, 1900, alt. 
1,550 ft., d Mion in hb. JV. Y. Bot. Gard. 
Ala., Cullman D Sept. is om, M: PEN with little crenate penny-like 
radicals. Hob. og Y. Bot. Gar 
Messi UR a Tennessee R., Se. '98, Albert Ruth, in hb. N. Y. 
Bot. ow - 
Division B. CARMESINE ASTERS. 
Thinnish firmer leaves of shorter types. Disks turning soon to 
a more definite red or finally to a deep crimson. Stem erect, stiff 
or wand-like. 
Subdivision A. LOWER BRACTS ACUTISH. 
Species 17 and 18. 
17. Aster arcifolius sp. nov. 
Stiff purple-stemmed brace-based short-leaf plants, of triangu- 
lar-ovate leaf form and firm texture, with about 8 rays and these 
often crimson, the bracts chiefly lingual and uniform, slightly 
ciliate, obtuse or acutish. 
