POACEAE 117 
spikelets 5-8: first glume 4—5 mm., the second 7 mm. long: JURE 3-awned, 
mm. long, the la ter al ones 
Sometimes obsol [A. cur pci 
Fourn.]—Hills, plains, barrens, prai 7 
and rocky slopes, various p S. © i 
? iow Mont., and Conn.—(Mez., C. A., 
4.) | \ , 
B. hirsuta Lag. Stem erect, 20-50 e | 
tall: leaf- blades about 3 m wide, sparsely 
Ur e -pilose: spikes 14, usually M | 
3.0 em. long, the D projecting FUR 
spikelets about 6 mm. lon ng: cond glume í 
a E 
et 
E 
[e] 
e 
nu doer -pilose. mS Brick unt )—Rocky 
hills, various provinces, Tex. to Calif., Eu 
and n; also in p lands, pen. Fla. 
eZ.) 
77. ELEUSINE Gaertn. Annuals, with 2 to several rather stout spikes 
digitate at the summit of the culms, sometimes with 1 or 2 a short distance 
below, rarely with a single tormina Spike. 
Spikelets few- to several-flowered, com- 
rows along one of a er broad 
rachis, the latter not prolonged beyond the 
Spikelets; glumes unequal, rath oad, 
nerves close together forming a 
uppermost somewhat reduced.—Six species, 
natives of the warmer parts of the Eastern 
Hemisphere. 
1. E. indica (L.) Gaertn. e Ma apenas = prostrate, flattened, 
m 10—40 em. long: spikes 2.5-8 em. long: spikelets 3-5- das e, 5 
. long: seed uu by ridges, loosely aie d in the pericarp.— 
GRA d 
Calif., Kaas. and Mass. Nat. of E. L—(W. I., Mes., C. A., S. A 
la. Eleusine tristachya Lam. Glabrous, tufted, the pus ve mostly 
not more than 25 em. long: spi ikes 2 = 3, thick, 1.5-3 long, often 1 em. 
wide: spikelets 5-9-flowered, 6-8 mm. long. — Ballast at "Mobile Ala., also in 
N. J. and Ore.—(58. A., Africa.) 
78. DACTYLOCTENIUM Willd. Annuals or perennials with flat blades 
and 2 to several short thick spikes digitate at the summit of the culms. Spike- 
lets 3- to 5-flowered, compressed, sessile, elosely imbrieate in 2 rows along one 
side of the rather narrow flat rachis, the end projecting in a point beyond the 
spikelets; glumes somewhat unequal, broad, l-nerved, the first persistent upon 
the raehis, the second mueronate or short-awned below the tip, deciduous; 
