GRAMINEZ 179 
Tribe I. ORYZEA.—Spikelets compressed laterally ; 
lower (barren) glumes minute or 0; uppermost glume 
and pale bearing a single flower. Not alpine. 
I. LEERSIA, Sol. 
Characters of the tribe. 
L. oryzoides, Sw. (Oryza clandestina, Br.); panicle 
often undeveloped ; in water, rare. 
Tribe PANICEA:.—Spikelets usually compressed dor- 
sally ; terminal glume only bearing a flower. Not alpine. 
Genera 2-4. 
2. PANICUM, L. 
Glumes 4; pedicel of spikelet naked or hairy. 
P. glabrum, Gaud. (Digitaria humifusa, Pers.); spike- 
lets about 3, digitate, leaves and sheaths glabrous ; road- 
sides, occasional. P. czlzare, Koel.; leaves and sheaths 
hairy, empty glume ciliate ; road-sides, local. P. sangut- 
male, Scop.; similar, but empty glume not ciliate; road- 
sides. P. Crus-Galli, L. (Echinochloa Crus - Galli, 
Beauv.) ; spikelets in racemes or panicles, glumes awned ; 
road-sides, common. VP. undulatifolium, Ard. (Oplis- 
menus undulatifolzus, Beauv.); leaves broad, stem and 
leaf-sheaths with long hairs; Ticino. 
3. SETARIA, Beauv. 
Glumes 4; pedicel of spikelet with stiff bristles. 
S. viridis, Beauv.; bristles clustered, scabrid; road- 
sides. .S. verticillata, Beauv.; bristles single or in pairs, 
barbed ; road-sides, rare. S. glauca, Beauv.; spikelets 
