PANICUM AMAROIDES Scribn. & Merrill sp. nov.— Contimied. 



Paniciiin amaroides is an excellent sand binder, and although not caespitose, it 

 covers considerable areas, holding the sands by means of its strong hori- 

 zontal rootstocks. 



Panicum scabriusculum Ell. Sk. 1 : 131. 



Panicum nervosum Muhl. ; Ell. Sk. 1 : \22=Pat)icum covivmtatina Schultes, and 

 is exactly matched by the following specimens in the National Herba 

 rium: South Carolina, Aiken, H. W. Ravenel, June 1, 18(57; Florida, A. W. 

 Chapman, no locality or date; 366 (in part) Chapman, no locality or date; 

 Jacksonville, A. H. Curtiss, September. 



Panicum multiflorum Ell. Sk. 1 : l22=Panicitwi polyanthes Schultes (P. micro 

 ca?-j>on Muhl. Descr. 111. 1817.) 



Panicum ovale Ell. Sk. 1 : 123. 

 {Panicum erytJtrocarpon Ashe, 

 Journ. E. Mitch. Sci. Soc. 16: 

 90, 1900 is the same. ) (Fig. 3. ) 

 The specimen in the herbarium 

 of Elliott to which this label 

 is attached is matched by the 

 following specimens: North 

 Carolina : near Wilmington, 

 W. W. Ashe, June, 1899 (co- 

 type Panicum erythrocarpon 

 Ashe). Sotith Carolina: Ai- 

 ken, H. W. Ravenel, May. 

 Florida: A. H. Curtiss, 3583 

 N. Am. Plants (in part). 



Panicum lanuginosum Ell. Sk. 

 Bot. S. C. andGa. 1:123. 1817. 

 {Panicum tennesseense Ashe, 

 Journ. E. Mitch. Sci. Soc. 15: 

 53.1898). (Fig. 3.) An erect 

 or ascending, finally much- 

 branched pubescent perennial 

 1.5 to 8 dm. high, with weak 

 culms, thin leaves and slightly 

 exserted, usually many-flow- 

 ered panicles. Culms genicu- 

 late below, papillate-pilose 

 with few weak, spreading 

 hairs; nodes yellow, sparingly 

 bearded with few reflexed 

 hairs, and generally with a 

 smooth ring immediately be- 

 low ; sheaths shorter than the 

 internodes, rather loose, striate, papillate-pilose with scattered spreading 

 hairs ; leaf-blades spreading or ascending, thin, soft, lanceolate, 3 to 8 cm. 

 long, 4 to 10 mm. wide, acute, slightly narrowed to the roimded base, scabrous 

 on the margins, appressed-pubescent beneath with scattered, short, papil- 

 late hairs, and often also on the upper surface, giving the leaves a peculiar 

 lustre or sheen. Panicles 4 to 8 cm. long, broadly ovate or subpyramidal, 

 pale green; rachis pilose; branches capillary, spreading, the lower ones often 

 densely flowered and interlaced, giving the panicle a characteristic matted 



Fig. ■i. — Pftnicum lamidhiomm Ell. a, h, spikelets, 

 in a the .short first glume is seen; c, outline of ante- 

 rior view of the fruiting glume showing back of 

 palea. 



