OF JJORTH AMERICA. 91 



472, flowers size of the first, but of an incarnate 

 color, instead of blue, the cahx is margined of 

 same color. Autiimn;»l. 



971. Antiiopogo.n Ar.BEscEXS Raf. stem te- 

 rete trifid, leaves patent narrow lanceolate acute, 

 peduncles terete, calix deeply 4fid, segments 

 ovate lanceolate obtusely acuminate, 2 nar- 

 rower lanceolate, corolla hardly longer than 

 calix unequally denticulate — iiT Louisiana, col- 

 lected by Riddel, sent me anonymous, very dis- 

 tinct by smaller shorter flowers nearly white or 

 blush color, leaves nearly as in A. virgatiim 

 but broader and spreading, 2 inches long, flow- 

 er only uncial. 



972. Anthopogon erevifolium Raf. humble, 

 uniffore ? foliose anceps, lower leaves cnneate 

 or spatulate acute, upper ovatoblong short * 

 acute, calix with segments shorter ovate lan- 

 ceol. acutely acuminate, corolla double of calix 

 fringed — in Mts. Alleghanies of Lycoming Cy. 

 Pennsylv. blossoming in November, stem 4 to 6 

 inches high, leaves very short 4 to 6 lines long 

 and reaching to near the flower, which is small 

 though elongate uncial, apparently incarnate in 

 the specimen, nearer to A. incarnatum than 

 to A. crinitum^ perhaps a variety of it. — A. 

 crinitutn diflers from all my 4 sp. by leaves 

 ovate lanceolate subdeltoid, flowers large with 

 rounded segments deeply fringed, peduncles 

 naked 4gone &c. All belong to the G, An- . 

 thopogon of Necker 1790, and have the calix 

 unequal as in the whole family. 



973. Pleienta QuixQutNERViA Raf. stem 

 terete trichotome, leaves broad oblong lanceo- 

 late acute thin Snerved ; floAvers corymbose, 

 calix base membranose, 6-7parted, segments fo- 

 liose lanceolate, subequal to corolla segments 



