11 
vg A MANISURIS CYLINDRICA (Michx.) Kuntze, pei Gen. Pl. 2: 
719. ( Tripsacum cylindricum Michx. Fl. Bor. Am. 1: 60. ; Rottbellia 
atin. Pac. R. R. Rept.45: 108. 1857.) SLENDER 1 GRASS.— 
A slender perennial, with T terete, erook ipee 6-9 dm . (29-39) high, nar- 
row leaves 15-30 em. (6’-12’) lo li racemes 12-18 em. 
(5,7 long. Sheaths smooth; 1 short, eiliolate Wet Pus d (1%) 
broad, smooth beneath, scabrous above and on First glume (c) of 
tuse, i 
Pedicellate spikelet vadimen ntary, 1.5-2 mm. (?/-1”) long Sessile spikelet (b) 
6-7 mm. (3/-3}”) long.— Prairies, — to eee ee Indian Terri- 
ry, and Texas. June to Septem 
