Paspalum.] Graminece. 121 



glumes (bracts) below the spikelet ; glumes subherbaceous or char- 

 taceous ; lodicules usually 3 ; stam. 3-6- or many ; leaves more or 

 less petioled, articulate on the sheath. 



Palea 2-keeled, stam. 3 77. Arundinaria. 



Palea 2-keeled, stam. 6. 



Pericarp of seed thin, adnate to the seed. 



Filaments free . . . . . .78. Bambusa. 



Filaments connate 79. Oxytanthera. 



Pericarp fleshy or crustaceous, seed free . 80. Teinostachyum. 

 Palea membranous, stam. very many . .81. Ochlandra. 



1. P&SPALUK, L. 



Annual or perennial grasses; spikelets i-fld., awnless, in 



digitate racemose or panicled spikes, or on spike-like branches 



of a raceme or panicle, jointed on the pedicel but not thickened 



at the base; glumes 3 (homologous with II, III, and IV of 



Panicum), I and II membranous, as long as III, or I shorter 



or o, II epaleate, III fig., paleate, coriaceous, smooth, 



shining, palea coriaceous, margins inflexed ; stam. 3 ; styles 



2, free, stigmas plumose, exserted from near the top of the 



spikelet ; grain oblong, compressed, free but tightly enclosed 



within the hardened glume and palea. — Sp. about 100; 15 in 



FL B. Ind. 



In many Indian species of Paspalum (including P. sanguinale) the 

 gl. I of Panicum is present in a minute scale at the base of gl. II, but 

 I have not found this in any Sinhalese specimen. 



Rhachis of spike flattened. 



Spikelets orbicular or very broadly oblong. 



Spikelets glabrous or nearly so . . 1. P. SCROBICULATUM. 



Spikelets ciliate with long hairs . . . 2. P. CONJUGATUM. 

 Spikelets ovoid oblong or lanceolate. 



Spikelets fa-% in 3. P. sanguinale. 



Spikelets ^%-^ in, 



Spikelets sabsilky with slender hairs . 4. P. LONGIFLORUM. 

 Spikelets tcmentose with clavellate hairs 5. P. ROYLEANUM. 

 Rhachis of spike or branches of panicle 



filiform. 6. P. Perrottetii. 



1. P. scrobiculatum, Linn. Mant. i. 29 (1767). Amu, S. 

 Waragu, T. 



Thw. Enum. 357. Moon, Cat. 7. 



Fl. B. Ind. vii. 10. Host, Gram. Austriac. t. 74 (P. Kora). Rheede, 

 Hort. Mai. xii. t. 84. 



Perennial; stems 2-3 ft., tufted, erect, rather stout, leafy 

 from the base upwards ; 1. bifarious, erect or suberect, 6-18 

 by tt~\ in., flat, finely acuminate, mid vein slender, margins 

 scaberulous ; sheath 4-8 in., compressed, loose, mouth hairy, 

 ligule very short, membranous ; spikes 2-6, sessile, usually 

 distant and spreading, 1-6 in. long, rhachis filiform, or broad 



