GENERA AND SPECIES. 
Panicle narrow, rather loose; outer glumes as long 
as the flowering one. 
Outer glumes scarcely 3 lines. 
3 in. long 
Gites glumes 4 to 5 tee 
long 
Awns under 
Awns ? to 1 in. 
Amphipogon. 
Stems not tall from a creeping rhizome; leaves erect, 
rather short, subulate, glabrous. Outer glumes 
entire, rather acute 
Pentapogon. 
Erect, somewhat tall; leaves narrow, pubescent ; panicle 
narrow, not long is 
Sporobolus. 
1. Panicle spike-like. 
Dwarf and usually prostrate; leaves short, rigid, some- 
what 2-seriate; outer and NPR NS ere nearly 
equal 
Erect, rather tall; eer realee sree outs obnnes 
unequal, shorter than the flowering one 
11. Panicle spreading, lower branches whorled. 
Spikelets stalked, about 4 line pe glumes very acute, 
dark coloured ie 
Spikelets sessile, crowded, chon 1 ite ht outer 
glume hyaline obtuse ... 
Cynodon. 
Flowering glume longer than the outer ones. Prostrate, 
rooting at the nodes; stems erect; as 2 to 5, 
very narrow, dark- coloured . 
Flowering glume much shorter ve the outer ones. 
Flowering glume hairy on the keel and ee 
palea with 2 converging nerves 
Flowering glume with a ring of hairs ele the an 
palea with 2 distant nerves 
Aira. 
Stems 2 to 4 feet high; leaves stiff, narrow, rough above 
Eriaehne. 
1. Awn not longer than the glumes. 
Panicle loose ; leaves glabrous flat; outer glumes hairy 
ramosa 
calycina 
strictus 
Billardieri 
Virginicus 
Indicus 
Lindleyi 
actinocladus 
Dactylon 
convuergens 
ciliaris 
caespitosa 
aristidea 
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