ELISHA MITCHELL SCIENTIFIC SOCIETY. 51 
51) PANICUM HUACHUCAE Ashe, sp. nov. Stems 
somewhat clustered, erect, slender, villous, 2 feet to 3 
feet high. Sheaths shorter than the internodes, villous 
to papilose-hirsute ; ligule long-pilose. Leaves erect or 
ascending, 3’--4’ long, 3’—-4” wide, generally villous, ob- 
long-lanceolate. Panicle 3’—5’ long, oval, pubescent ; 
‘spikelets nearly 1” long, oval, or elliptical, pubescent. 
Based on: Lemnon: P. dichotomum var. nitidum, subvar. barbu- 
latum ; Huachuca Mountains, Arizona, 1882. North Carolina: Ashe; 
Chapel Hill, June, 1898. Iowa: Bessey; Ames, 1875. Delaware: 
Commons; sub nom., /. /anuginosum. Missouri: Glatfeller; St. 
Louis, 1897. 
52) Panicum viscipum Ell. Sk. 1: 124(1817). P. 
scoparium Mx. Flora 1: 49(1803). Not Lam. (1797). 
Tufted, large and stout, 2 feet to 3 feet high, ascending, 
from a generally geniculate base; stem pilose, especially 
below. Sheaths shorter than the internodes, pilose on 
the lower part, the upper generally viscid, barbed at the 
nodes, with a naked viscid ring below the node; ligule of 
very short pubescence. Leaves 3’—5’ long, 4”—7” wide, 
lanceolate or narrower, narrowed to the base, glabrous 
above, generally pilose beneath. Panicle short-pedun- 
cled, 2’—4’ long, broadly oval, the numerous, fascicled 
branches ascending; spikelets broadly obovate or nearly 
spherical, 1}”’ long, apiculate; axisof panicle often viscid. 
Later state much branched. 
New Jersey to Florida and Texas. Frequent in wet or moist sandy 
places. Florida: Chapman, Apalachicola. Delaware: Canby, 1894, 
Texas: Reverchon. North Carolina: Ashe, 1897. 
53) PANnIcUM CILIIFERUM Nash, Torr. Bul. 24: 195 
(1897). Culms tufted, erect or ascending from a genicu- 
late base, the joints geniculate. 18’ -- 24 high. more or 
less villous below with appressed or ascending hairs, 
above smooth. Sheaths much shorter than the inter- 
nodes, villous with soft, appressed pubescence; pubes- 
cence of ligule very short or sometimes long and villous, 
