Cenchrus. triandria digynia. 233 



TRIANDRIA DIGYNIA. 



PEROTIS. Schreb. gen. N. 1714. 

 Calyx none. Corol two-valved ; valves equal, and awned. 



]. P. lai folia. Linn. sp. pf. ed. Willd. i. 324. 



Culms piped, from nine to eighteen inches high. Leaves 

 short, waved, and ciliate. Raceme cylindrical. 



Tsjeria-kuren-pulla. Rheed. Mai. 12. 117. t. 62. 



Jlnthoxanthum indicum. Linn. sp. pi. ed. Willd. i. 157. 



Saccharnm spicatum. Linn. sp. pi. 79. 



Is a native of high, dry, sandy, barren ground, over the 

 coast of Coromandel. 



Root fibrous. Culms at the base resting on the ground, 

 and there branchy, above erect, leafy, jointed, from nine to 

 eighteen inches high, smooth. Leaves sheathing, short, broad 

 at the base, margins waved and hispid ; sheaths about half 

 the length of the joints. Racemes (not spikes) terminal, erect> 

 cylindrical, lead coloured. Flowers numerous, diverging. 

 Calyx two-valved, both awned, and are totally destitute of 

 hairs round their base, or any where else. Corol two-valved, 

 very minute. Seed 



Obs. Cattle are not fond of this grass. 



CENCHRUS. Schreb. gen. N. 1574. 

 Involucre echinate, and four-flowered. Calyx from two to 

 three-valved, one or two-flowered. 



1. C. biflorus. R. 



Spikes simple, cylindric. Involucres two-flowered; seg- 

 ments subulate, hooked and hairy within. 



A native of the interior, elevated, dry parts of the Coro- 

 mandel coast. 



Culms straight, from six to twenty four inches high, smooth. 

 Leaves long, slender, somewhat scabrous ; mouths of their 



