11-4 TRIANDRIA. DIGYNIA. panicum. 



Hab. On the banks of the Connecticut River, near Deerfield, 

 Massachusetts. Sent to me by Dr. Co o ley. 



9. P. piibescens L a m. : erect, much branched, leafy, 

 softly pubescent ; leaves lanceolate, ciliate ; panicle small, 

 few-flowered, free ; spikelets subglobose-obovate, pubescent. 

 M i c h. FL I. p. 49. L a m. Enc. V. p. 743. Pursh Fl. 

 I. p. 68. Jl/w A/. Gram. p. 116. El li o 1 1 SkA. ^, IIA^ 

 Eoem. ^ Schult. II. p. 446. 



Root perennial. Culm a foot and a half high, erect, simple and 

 branched ; branches alternate ; nodes retrorsely hairy. Leaves 

 linear-lanceolate, nervose, hairy on every part. Stipule beard- 

 ed, elongated. Sheaths with the hairs pointing downwards. 

 Panicle terminal, distant ; branches horizontal, flexuous, sub- 

 solitary, alternate, hairy, divided. Sfiikelets pyriform, nerved, 

 pubescent. Inferior glume of the ca/i/ar small. Muhl. 



Hab. In woods and fields. Pennsylvania. June. Muhlen- 

 berg. 



Among my specimens of Panicum, I find none that will 

 agree very well with the description of Mi c haux^a P. fiu- 

 bescens. The plant described under this name in the Descrifi. 

 Ubcr. Gram, differs in some respects, though not sufficiently 

 to form a distinct species. It is not uncommon along borders 

 of woods in the vicinity of New-York. 



10. P. involutum*: culm cespitose, simple, or a little 

 branched at the base ; leaves erect, somewhat rigid, very 

 narrow, at length involute ; panicle simple, few-flowered ; 

 florets acuminate ; superior valve of the neutral floret very 

 small. 



Root perennial. Culm about a foot high. Leaves shorter than 

 the culm, a little hairy. Panicle terminal, (rarely also lateral 

 at the base of the culm), consisting of a few flexuous branches, 

 bearing from 10 to 20 sfiikelets as large as those of P. latifoli- 

 nm. Inferior glume spreading, rather large, acuminate. Su- 

 perior valve of the abortive Jloret membranaceous, entire, half 

 the length of the inferior valve. 



Hab. Near Deerfield, Massachusetts. Co oley. 



1 1 . P. depauptratum M uh I. : culm cespitose, hairy at 

 the joints ; leaves linear-lanceolate, smooth or hairy ; sheaths 

 pubescent •, panicle few-flowered ; branches in pairs, one of 

 them 2-flowered, the other 1 -flowered. Muhl, Gram, 

 p. 112. 



Root perennial. Culm about a foot high. Lower leaves short ; 

 upper ones elongated. Panicle terminal, erect ; branches tor- 

 tuous. Inferior glume appressed, 3-nerved, short, obtuse ; the 

 superior acute, lanceolate, nervose, smooth. Perfect jioret 

 white, obtuse, a little shorter than the calyx. Stamens 3 j an- 

 thers dark purple. Mu h I. 1. e. 



