PANicuM. TRlANDtllA. DIGYNIA. 145 



Hab. In barren sandy soils near New-York, and in New-Jersey. 

 May — June. 



The specific character given above, of this species, is drawn 

 from the detailed description of Mu hlen b erg^ as I am un- 

 certain whether the plant I consider as the P. depauperatum^ is 

 the same as his. It is not a very distinct species. 



12. P. dicholomum L. : culm much branched and dicho- 

 tomous above; branches fasciculate; leaves very numerous, 

 lanceolate, smooth ; panicle simple, capillary, lax ; abortive 

 floret neutral ; superior valve minute, bifid. Willd. Spec. I. 

 p. 346. Pursh Fl.L ip. 361. E Hi o 1 1 Sk. ]. p. Ui, 

 Muhl. Gram, p. IIZ. R o em. i.- S c hu 1 1, U. p. 430. P. 

 paniculis simplicibus, culmo ramoso dichotomo Gron. 

 Firg. 133. 



Root perennial. Culm erect, (procumbent E I /.), from 8 inches 

 to a foot or more in height, with numerous crowded branches ; 

 joints hairy. Leaves spreading, about an inch long, and a line 

 and a half broad, bright green and membranaceous, a little 

 cordate and ciliate with long hair* at the base. Sheaths distinctly 

 ciliate on the margin, almost villous at the throat. Panicles 

 lateral and terminal; branches nearly simple and much spread- 

 ing. iS/i/X-e/e^s minute, ovate, obtuse, smooth, luhv'xov glume 

 short, obtuse ; the other nerved, acute. Abortive Jloret 

 2-valved ; the superior glume minute and membranaceous, 

 a little cleft at the point. Fertile Jloret the length of the calyx, 

 shining, rather obtuse. Stamens 3. Stigmas purple. 

 Hab. In dry woods ; common. July — September. 



a. curvatum : culm very tall, rather rigid ; branches few 

 and a little curved. 



^.fasciculatum : culm low, erect or decumbent ; branches 

 and leaves densely fascicirlate ; panicles very small, concealed 

 among the leaves. 



y. gracile : culm tall, slender ; leaves membranaceous. 

 Hab. a. in moist meadows among shrubbery. 0. in sandy 

 fields, New- Jersey, y. common in swamps, New-York. 



13. P. nitidum Lam.: culm slender, simple, erect, 

 smooth; sheaths bearded at the throat; leaves very few, re- 

 mote, broad-hnear ; panicle capillary, rather crowded, com- 

 pound, smooth ; spikelets minute, obtuse, ovate, slightly pubes- 

 cent ; inferior glume very small. Lam. III. 899. Eiic. Meth. 

 IV. p. 749. Mich. Fl. I. p. 49. PurshFl. I. p. 67. 

 Roem. ^- Schult.W.p. 446. 



Root perennial, fibrou?. Culm 1 8 inches or 2 feet high, generally 

 simple, or with a few short, erect, axillary branches -above, 

 slender, and often reclining on other plants ; nodes sun'ounded 

 T9 



