k^yNODQff. TRIANDRIA. DIGYNIA. 99 



C. Daclylon P er s.: culm creeping, spikes digitate, 

 (4 — 5,) spreading ; keel of the calyx sc:ibrous ; leaves hairy 

 on the margin and towards the base ; sheaths hairy. P er s, 

 Lc.p.85. Pursh FL \. ^.70. R o e m. ^' S c hul t. \\. 

 p. 410. DxGiTXKix Daclylon Elliott Sk,\.^. \33. M uhl. 

 Grain, p. 1:^2. ? Amen m. Daclylon Lin, IV il I d. Spec, h 

 p. 410. 



Root perennial, extensively creepinjj. Culm a foot or more long, 

 stolonifcrous at the base. Leaves somewhat distichous, nar- 

 row. Sfiikes about 2 inches lont;, api)caring serrated on their 

 edges by the projecting calyces of tiie flowers. Glumes lan- 

 ceolate, acute ; the superior one a little longer. Inferior valve 

 of the corolla ovate, mucronate at the tip, scabrous on the 

 keel ; superior valve the length of the other, acute, with a deep 

 groove on the back, in which is lodged the minute rudiment 

 of an abortive Jlower with its footstalk. JVectaries 2, obovate. 

 Hab. In Pennsylvania. August. Muhlenberg. 



I insert this plant on the authority of Mu hlenb erg, who 

 has marked it as a native of Pennsylvania in his Catalogue. 

 The above description was taken from specimens sent to me 

 by Mr. Elliott from South-Carolina. 



19. GYMNOPOGON. Beauv. 



Calyx 2-valved, carinate, nearly equal, longer than 

 the flower. Valves of the corolla nearly equal ; the 

 inferior one with a straight bristle a little below the 

 tip. Rudiment '^cr^.'iX\io\m. F. de Beauv. ip. 41. t.lX. 

 f. 3. Roem,'^ Schult. Gen.256. Trin.AgrosL 

 55. Anthopogon Nutt. Gen. I. p. 83. Andro- 

 poGONis sp. Mich. Flowers irregularly alternating 

 on setaceous spikes disposed in a panicle. 



G. racemosum P. de B. I.e. R o e m. (^ S chult, II. 



p. 421. A^nwovoGO^J ambigunm M ich. Fl.\. p. b^. Willd. 



Spec. IV. p. 907. Pursh Fl. I. p. 74. Muhl. Gram, 



p. 285. Elliott Sk. I. p. 145, Anthopooon leptiiroides 



jY utt. I.e. 



Root perennial. Culm a foot and a half or two feet high, assur- 

 gent, with numerous joints. Leaves ovate-lanceolate, 1—2 

 inches long, distichous, smooth, flat, rigidly spreading, finely 

 striate. Sheaths smooth, except at the throat, where they 

 are hairy and contracted. Stifiule an obsolete ring. Panicle 

 large, pyramidal, spreading, somewhat verticillate ; branches 

 simple, rigid, 4 — 6 inches "long. Flowers appressed, sessile. 

 Calyx a little unequal, very narrow, pungent, scabrous on the 

 keel. Inferior valve of the corolla lanceolate, 3-nerved, with 

 a bristle a little below the tip 2 — 3 times its length, villous at 

 ths base, slightly hairy on the margin and back ; superior valve 



