6 GRAMiNE^. IGraminea. 



Palea scarcely ciliate. 



Flowering glume awnless, with a small scale or 



oblong scar on each side at the base .... 6. Ichnanthus. 

 Flowering glume without appendages at the base, 



awiiless or with a straight awn 4. Panicum (9 to 16). 



Flowering glume with a twisted awn .... 10. Arundinella. 

 Spikelcts either in pairs, 1 sessile the other pedicellate, form- 

 ing pedicellate spikes, or ] sessile between 2 pedicel- 

 late, on a common pedicel. Flowering glumes very- 

 thin, transparent, with a twisted awn or rarely awnless. 

 Panicle tvith sheathing bracts at its ramifications. 



One sessile and 2 pedicellate spikelets in each bract . 24. Apluda. 



Two short spikes in each bract 25. Andropogon (6). 



Panicle without bracts. 



Outer glumes thin, enveloped in long silky hairs. Pa- 

 nicle large. 



Rhachis articulate. Spikelets awnless 19. Saccharum. 



Rhachis continuous. Flowering glume awned . . 20. Eulalia. 

 Outer glumes stiff, usually longer than the outer hairs. 



'Spikelets in pedicellate spikes 25. Andropogon (3 to 5). 



Spikelets in threes, 1 sessile between 2 pedicellate . 27. Chrysopogon. 



B. Spikelets with 2 or more hermaphrodite or fertile flowers, or the uppermost unisexual. 



1. SjpiJcelets all pedicellate and panicled. 



Awns long and twisted. (Spikelets large) 41. Avena. 



AwTis none or short and straight. 



Flowering glumes surrounded by long dense silky hairs. 

 Tall Reeds wdth large panicles. 



Lowest flowers all fertile 33. Arundo. 



Lowest flower male 34. Phragmites. 



Hairs few or short or none in the spikelets. 

 Spikelets small, with 2 flowers. 



Glumes of similar consistence, the outer ones shorter 



and unequal. Panicle narrow 42. C(ELACHNE. 



Flowering glumes firmer than the 2 outer equal ones. 



Panicle short, spreading 7. Isachne. 



Spikelets flat, with 3 or usually many more flowers . 43. Eragrostis. 



2. Spikelets sessile, in 1 or 2 r02vs along one side of the spike-like branches of a simple 

 panicle. 



Spikes digitate. 



Spikelets awTriless or with short points. 



Spikelets very flat, closely imbricate. Glumes shortly 



pointed 37. Dactyloctenium. 



Spikelets narrow. Glumes obtuse 38. Eleusine. 



Aa\tis longer than the glumes 39. Chloris. 



Spikes alternate or clustered in a long panicle 40. Leptochloa. 



3. Spikelets (awnless) sessile, irregularly clustered or solitary, in simple or branched 

 payiicles. 



Herbs with small flat spikelets 43. Eragrostis. 



Tall shrubby or tree-like Bamboos, with large spikelets. 



Stamens 3 45. Arundinaria. 



Stamens 6. 



Several fertile flowers in each spikelet 46. Bambusa. 



One fertile flower in each spikelet 47. Schizostachyum. 



Among the Tribes adopted by Colonel Munro for the distribution of the numerous genera 

 of Graminece, the following 11 are represented in our Flora: — 



