52 
TRIANDRIA, DIGYNIA. 
fn’sformis, 
Mt?£iL 
setaeeiim, 
jViidi. 
Panicum sanguinale, L« 
Syntherisma pr^cox, Walt. 
Paspakmi sanguinale, Lam. Ency. 5. p. S3. 
Icon. Curt. Lorid. 4= t. 7. 
Purple Crab-grass. 
Very common every where in cultivated ground. Annual. 
All summer. 
2. D. culm erect, leaves somewhat glabrous ; spike- 
lets erect, 3-fiowered ; flowers all on footstalks ; 
valves of the calix nearly equal. Elliots 
D. pilosa, Mich. ? 
Panicum filiforme, Herb. Lin. according to Smith ; 
scarcely different from Milium panicum, Swartz, 
(MuhL) 
Paspalus filiformis, Flugge. 
Svntherisma serotina, Walt. ? 
Panicum debile, Desfontaines. 
Erect Digitaria. 
A more delicate grass than the preceding ; and more scarce. 
Annual. August, September. 
49. P ASP ALUM, Gen. pU 107. ( Gramineas.) 
Calix 2-valved, equal, mostly orbicular. Co- 
rolla 2-valved, of the same figure and mag- 
nitude. Stigma plumose. Nutt. 
1. P. culm erect; leaves and sheaths villous ; spikes 
generally solitary, flowers in 2 rows. 
P. pubescens, MuhL Descrip. Uberzor Gram. 
P. dissectum, Walt. 
Slender Paspalum. 
A very slender and delicate grass, from 10 Inches to a foot 
high. In Jersey, not uncommon. Annual. June, July. 
