MANUAL OF THE GRASSES OF THE WEST INDIES 173 
Panicum leucocomum Scribn., U. S. Dept. Agr., Div. Agrost. Bull. 
7 (ed, 2): 58. 1898. Florida. 
Syntherisma leucocoma Nash, Bull. Torrey Bot. Club 25: 295. 1898. 
Florida. 
Digitaria leucocoma Urban, Symb. Antill. 8: 24. 1920. 
cf 
i) 
Yj 
/ 
~ a 
ie 
\ 
Ye 
SS 
yi ~ 
aD 
hy 
m \ SS 
mS 
§ 4) 
ee) 
~ 
TR. 
Si ZY 
A 
oe 7 
FIGURE 110.—Digitaria longiflora, X 4% (Hitchcock 14186). 
Erect cespitose perennial (or annual according to Ekman), 50 to 
120 cm tall; sheaths pubescent or glabrate; blades narrow, some- 
times loosely involute; panicles of several erect or ascending racemes 
8 to 15 cm long, the rachis narrowly winged; spikelets about 2 mm 
long; first glume wanting; second glume a little shorter than the fruit, 
cinereous-pubescent, some of the hairs capitellate; sterile lemma like 
