COMPOSITAE. 



Vol.111. 



52. Aster turbinellus Lindl. Prairie 

 Aster. Fig. 4333- 



A. turbinellus Lindl. Comp. Bot. Mag. 1 : 98. 1835. 



Stem slender, paniculately branched, glabrous 

 below, puberulent above, 2-3 high. Leaves firm, 

 lanceolate, or oblong-lanceolate, entire, ciliate. 

 acute or acuminate, 2'-3' long, the lower and 

 basal ones petioled, the upper sessile, those of 

 the branches much smaller; heads about 1' broad, 

 mostly solitary at the ends of the branches; in- 

 volucre turbinate, its bracts oblong, coriaceous, 

 obtuse, appressed, imbricated in 5 or 6 series, 

 their tips green only at the apex; rays 10-20, 

 3"-S" long, violet; pappus tawny; achenes finely 

 pubescent. 



In dry soil, especially on prairies, Illinois to Mis- 

 souri, Nebraska, Kansas, Louisiana and Arkansas. 

 Sept.-Oct. 



53. Aster lateriflorus (X.) Britton. Starved 

 Aster. Calico Aster. Fig. 4334. 



Solidago lateriflora L. Sp. PI. 879. 1753. 



Aster diffusus Ait. Hort. Kew. 3: 205. 1789- 



Aster miser Nutt. Gen. 2: 158. 1818. 



A. lateriflorus Britton, Trans. N. Y. Acad. Sci. 9: 10. 1889. 



Stem puberulent, or nearly glabrous, slender, diver- 

 gently branched, l 5 high. Basal leaves ovate, slen- 

 der-petioled ; stem leaves broadly lanceolate or oblong- 

 lanceolate, mostly acuminate, serrate, 2'-$' long, 6"-l2" 

 wide, those of the branches smaller, oblong or linear- 

 oblong; heads z"S" broad, racemosely unilateral on 

 the branches, short-peduncled or sessile, usually nu- 

 merous and crowded; involucre turbinate, its bracts 

 linear-oblong, obtuse or acutish, imbricated in about 4 

 series, their short green tips appressed or slightly 

 spreading ; rays numerous, short, white or pale purple ; 

 disk-flowers purple ; pappus white ; achenes minutely 

 pubescent. 



In dry or moist soil, Nova Scotia to western Ontario, 

 south to North Carolina, Louisiana and Texas. Consists 

 of many races, differing in leaf-form, inflorescence and pu- 

 bescence. Called in Maryland rosemary. Aug.-Oct. 



54. Aster hirsuticaulis Lindl. Hairy- 

 stemmed Aster. Fig. 4335. 



A. hirsuticaulis Lindl.; DC. Prodr. 5: 242. 1836. 



Aster lateriflorus hirsuticaulis Porter, Mem. Torr. 

 Club 5: 324- 1894. 



Stem slender, erect. ii"-3 high, pubescent, 

 often nearly or quite to the base, the usually 

 short branches spreading or ascending. Leaves 

 thin, glabrous above, usually pubescent on the 

 midvein beneath, serrate with a few appressed 

 teeth, or entire, linear-lanceolate to lanceolate, 

 sometimes 6' long, 2"-y" wide, sessile, or the 

 basal ones spatulate and petioled ; heads more 

 or less unilateral on the branches, densely or 

 loosely clustered, often also solitary or few in 

 the lower axils; bracts of the involucre in 3 

 or 4 series, linear-lanceolate, acuminate or 

 acute ; rays white, about 2" long. 



In woods and thickets. New Brunswick to Penn- 

 sylvania, Kentucky and Michigan. Perhaps a 

 race of the preceding species. Aug.-Oct. Wise- 

 weed. Old-field sweet. Farewell-summer. Old-Vir- 

 ginia. Stickweed. White-devil. Nail-rod. 



