‘100 TRIANDRIA DIGYNIA. 
a enka ajftéac. 
Brumfhér aitheach. 
EncuiisH.—Gigantic Brome-grafs. 
Ob. Roots fibrous. Stems from 3 to 4 feet, 
upright, cylindrical, ftriated, leafy. Leaves 
nearly upright, fword-fhaped, pointed, 1 foot 
Jong or more, broad, flat, rough on each fide 
and on the margin, Sheath long, ftriated, 
fmooth, without hairs, with a fhort purple 
gnawed-like fheath-fcale furrounding the ftem. 
Panicle drooping: branches in pairs, fubdivided, 
angulated, rongh. Spikets alternate, {mooth, 
drooping, and containing from 4 to 6 florets. 
Calyx, valves unequal, keeled, tapering to a 
point; inner one broadeft and three-nerved. 
Corolla, inner valye as long, and nearly as 
broad as the outer, acute, not ciliated. Awan 
twice the length of the bloflom or more. rites 
AVENA. 
