7 



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



r 



Panieiun aviaroides 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. ] :121. 



Panicum nervosum Muhl. ; Ell. Sk. 1 ; 122^=Panicnm covinmtatmn Schultes. and 

 is exactly matched by the following specimens in the National Herba- 

 rium: South Carolina^ Aiken, H, W, Ravenel, June 1, 1867; 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 : 122= Pcnitcit7n polyanthes Schultes (P. viicro 

 carj70?i Muhl. Descr. HI. 1817.) 



Panicum ovale Ell. Sk. 1:123. 

 {Panicum erythrocarpon Ashe, 

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

 90, 1900 is the same.) (Fig. 2.) 

 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. and Ga. 1 : 123. 1817. 

 {Panieiun tennesseense Ashe, 

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

 52. 1898). (Fig. 3.) An erect 



;h- 



or ascending, finally 

 branched pubescent perennial 

 1.5 to 8 dm. high, with weak 

 culms, thin leaves and slightly 

 esserted. 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 

 intemodes, 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 rounded 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. '^.—Panicxim lanuginosum Ell. a, ft, spikelets, 

 in a the short first ghime is seen; c, oiitline of ante- 

 rior view of the fruithig gluine showing hack of 



palea. 



u 





