TRIANDRIA. DIGYNIA. 149 
Past. Germen'turban-shaped. Styles 2; woolly, reflected. 
_ Summits simple. a} oe 
S. Vass. none. The blossom closely wrapping round the 
seed, and not opening. | | 
SEED single, oblong, tapering at each end. 
_ Oss, Involucrum in most species with winged clefts, or like 
acomb. Linn.—The number of florets is variable. (Reich.) 
” PESTU’GA. Pl. II. f.19. 
Cat. Husk 2 valves, upright, containing several florets 
collected into a slender spiket. Valves awl-shaped, 
tapering. Inferior Valve the smallest. ° - 
Boss. 2 valves. Lower and larger valve the figure of the 
calyx, but larger, roundish, tapering, ending in an 
ee point. - a 6 . Cae Se ee 
ectary 2 leaves, leafits -S -shaped, acute 
bulging aa thie buises sometimes 0 ‘leaf-whichts D anos 
concave, horizontal, notched at the end. (Schreb.) 
Stam. Filaments 3, hair-like, shorter than the blossom. 
Anthers oblong. | ad 
Pist. Germen turban-shaped. Styles 2, short; reflected. 
Summits simple. Sop ne 
_ S. Vess. none, the blossom closely invelopes the seed, and 
does not open again. clog eeedks ee ee oo 
Szrp single, slender, oblong, very acute at each end, 
marked with a longitudinal furrow. bP ag it 
Ons. In Festuca the outer valve of the blossom gradually 
_ arrows into an awn, in Bromus and Triticum, the awn is in- 
serted as it were, below the point of the valve, or the edge of 
the valve swells out into a thin membrane on each side of the 
base of the awn. — In Festuca, the awn is an extension of the 
Whole valve, in Bromus and Triticum, ouly of the keel or ‘mid- 
Tib, as in Avena, Sv. 
x 
-BRO’/MUS,. PI. II. f..20. os ‘ 
Cat, Husk 2 valves, expanding, containing several florets 
collected into a spikes. alves oblong-ege-shaped, 
_taper, awnless ; the Inferior Valve smaller. 
BLoss. 2 valves. The Inferior Valve large, the size and 
figure of the calyx; concave, blunt, cloven, sending 
Out a straight dwn from beneath the end. The Supe- 
rior Valve spear-shaped, small, awn-less. 
