482 98. GRAMINEic. 
tt Spikelets quite sessile. 
4. Glumes 2. 
46. Tkiticum. Spikelets solitary. Gl. opposite, nearly- 
equal, many-flowered, their edges towards the rachis. 
Inner pale minutely ciliate on the ribs. 
47. Elymus. Spikelets 2 or 3 together. Gl. 2, both on the 
same side of the spikelet, without awns or bristles, with 2 
or more perfect flowers. 
t 
48. HoRDEUM. Spikelets in threes, often partially barren. 
Gl. 2, ending in long bristles ; 1 perfect flower and a stalk- 
like rudiment. 
49. Lepttjetjs. Spikelets solitary, imbedded alternately on 
opposite sides of the rachis. Gl. 1 — 2, both on the same 
side of the spikelet, cartilaginous, covering the one fl. and 
superior rudiment. Pales scarious. Stigmas feathery. 
44. Glume solitary, bractlike, or a very small second glume. 
50. LoLiuM. Spikelets solitary, placed edgewise on the 
rachis. Gl. solitary, or that next the rachis very small, 
with 3 or more flowers. 
Suborder I. Clisantheoe. Tribe I. Panicece. 
1. Digita'eia Scop. em. Beauv. 
[i). sanguindlis (Scop.) ; 1. and sheaths hairy, fl. oblong-lan- 
ceolate glabrous with downy margins (1). — E. B. 849. P. 70. — 
St. ascending, a foot long. — Not a native. A. VIII.] E. 
1. D. humifusa (Pers.) ; 1. and sheaths glabrous, fl. ovate 
downy with glabrous veins.— .fi". B. S. 2613. P. 71. — St. mostly 
procumbent, 4 — 8 in. long. Spikes usually 3 or 4, springing 
from nearly the same point. Spikelets in pairs, one on a longer 
stalk than the other. — Sandy fields, rare. A. VII. VIII. E. 
2. Echinoch'loa Beauv. 
[£". Crus-gal'li (Beauv.) ; spikes alternate or opposite, spike- 
lets near together, upper gl. and sterile floret awned or mucro- 
nate hispid, rachis hispid. — E. B. 876. 67. Paniciim L. — 
Near London. A. VII.] E. 
