CXLII. GRAMINES. 433 
Outer glumes short but visible, ee glume 
and palea membranous . . . 40. MaALrEeBRunia. 
(Oryza (Rice) is only known in a cultivated state. Ehrharta will be 
found in Festucacee.) 
Subtribe 4. CHLORIDER. 
Spikes simple, solitary, terminal. 
Spikelets 1-flowered, indented in the rachis. 
Flowering glumes hairy : . 41. MicrocH1oa. 
Spikelets 4-5- flowered, 2 lowest flowering 
glumes sterile, 3rd fertile. . . . . 42, CrENIUM. 
Spikelets 4-flowered, lowest flowering glume 
fertile, upper sterile~ . . 43. HARPECHLOA. 
Spikes 2 or more together, digitate or “fascicled, 
rarely somewhat panicled. 
‘Spikelets with 1 perfect flowering glume and a 
rudimentary upper one, both outer glumes 
pointless . . 44, CYNODON. 
Spikelets with 1 perfect flowering glume and 
rudimentary upper one, 2nd outer glume 
awned below the apex .... . . . 40. EUSTACHYs. 
Spikelets many-flowered, several flowering 
glumes and a terminal imperfect one. Flow- 
ering glume pointed . . . . » 46. DAcTYLOCTENIUM. 
Spikelets narrow, many-flowered ; several 
perfect flowering glumes, terminal one im- 
perfect. All glumes awnless and blunt . . 47. ELEUSINE. 
Spikelets many-flowered, 1-3 perfect flowering 
glumes and several imperfect. aap 
glumes long-awned  . . - . . 48, CHLORIS. 
Spikes racemose panicled or glomerate. 
Spikelets l-flowered . . . 49, SPARTINA, 
Spikelets several-flowered, two lowest ‘flowering 
glumes sterile. Spikes few, 4-7 . . 50. TETRACHNE. 
Spikelets shortly stalked, several- flowered, lower 
flowering glumes perfect, in racemose spikes. 51. Leprocu1oa. 
Spikelets very shortly stalked, several-flowered, 
lower flowering glumes perfect, in compound 
and decompound racemes .. . . . . 52. DIPLACHNE. 
Subtribe 5. AVENACER. 
Spikelets with lowest flower only fertile, upper 
rudimentary or male. 
Lowest flowering glume very thick and eee 
awned ; upper rudimentary . . 53. ANISOPOGON. 
Lowest flowering- glume awnless ; upper male, 
or in the Cape species neuter, awned. . . 54. Hotcus. 
Spikelet, except in 1 Cape species of T'risetwm, 
with 2 or more lower fiowers fertile. 
Flowering glume neverawned. . . . . 55. ACHNERIA, 
Flowering glume with a slender awn between 
the middle and base. Spikelets small, oblong 
OUOVaLEs tl enemies OG. ATRAG 
Flowering glume long-awned, cleft at the top 
into 2 acute-pointed tecth. 
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