62 JOURNAL OF THE 
73) Panicum Brirtront Nash. Torr. Bul. 24:194 
(1897). Stems tufted, glabrous, very slender, erect, 
stiff. Sheaths, glabrous, very short; ligule pubescent. 
Leaves longer than the sheaths, few in number, the mid- 
dle leaves longest, 14 long or less, less than 13”’ wide. 
Panicle 1’ long or less, branches rather few, spreading ; 
spikelets obovate, obtuse, {’’ long, pubescent. 
Moist sand, in pine woods. Southern New Jersey. 
74) PANICUM GLABRISSIMUM Ashe, sp. nov. Culms 
very slender, 12’—20”’ high, tufted, erect smooth and 
glabrous throughout. Sheaths much shorter than the 
internodes, glabrous ; no ligule. Stem leaves very short, 
distant, less than 1’ long, less than 13” wide, narrowed to 
the base, erect or ascending, glabrous or sometimes with 
the narrowed base sparingly ciliate. Basal leaves 13’ 
long or less, 2’’—3”’ wide, ascending, glabrous. Panicle, 
peduncled, about 1’ long, quite as wide, branches wide- 
spreading; spikelets, broadly oval or spheroid, about 3”’ 
long, glabrous or nearly so, purple. 
The type material was collected by me June 1898, at Manteo, Dare 
Co., N. C. 
NATURAL SCIENCE OF THE ANCIENTS AS 
INTERPRETED BY LUCRETIUS. 
F. P. VENABLE. 
There is no work, coming from an ancient author, which 
gives so full a picture of the beliefs and theories of an- 
cient times as to the physical side of natureas Lucretius’ 
