18. And^opogon.] 97. GRAMINEJE. [19. FIetebopogok. 



usually with long villi in the asils, tips ^of joints and pedicels truncate, 

 margins hairy. Gl. I cf ped.-spikelet, 5-9-nerved often with a small circular 

 pit. 



8, A. assimilis, Steud. 



A very distinct grass with creeping rootstock well marked 

 by its Lard almost woody slender polished stems, short leaves 

 and diffuse short pyramidal panicles 2-3" broad and long with 

 few-fid. spikes |-§* long on filiform peduncles. 



Valleys. Fls. Oct.-Nov. 



Often sarmentose and proliferOtxsly branched, nodes bearded. Lower 

 leaves broad, upper linear 3-4''. Nodes of panicle and rachis of spike and 

 pedicels of spikelets hairy, Spikelets 2-3 prs, with usually tefmihal 

 ternate. Joints and pedicels slender villous ending in a minute cup. 

 Sessile spkt., til. I 2-5- usually 4-nerved, margins incurved, keels ciliate ; 

 IV a slender awn under \" . Ped. spkt., Gl. I \" 5-7-nerved lanceolate 

 acute. 



10. A. squarrosuS £•/• Syn. A. muricatus, Retz. Sirom, 

 S.; Kns-Kns, Eng. 



The sub-genus Vetiveria, Hack, is raised to generic rank by Stapf and 

 the name becomes V. zizanioides, Btapf. 



A tufted perennial grass 3-5 ft. high with stout spongy 

 aromatic roots and rather rigid sub-erect glabrous leaves 1-2 

 ft. with scabrous margins. Panicle 6-12'' with many whor- 

 led spreading or ascending branches terminated by a long 

 many jointed spike. Joints and pedicels filiform (not channel- 

 ed) with truncate tip not bearded. Callus of sessile snikelet 

 Blightly beardedrGl. I coriaceous with muricate keels ; II 

 coriaceous 1 -nerved, keel muricate ; III lanceolate acuminate 

 2-nerved ; IV linear- oblong mucronate or shortly awned. 



Chiefly in low open ground, no* very common in Singbhum. Common 

 in Manbhum, Camy^ifrequent in other districts. 



The dried roots jtre well known, being the material of which Khus- 

 Khus tatties are made. 



19. Heteropogon, Pers. 



Sessile and pedicelled spikets very dissimilar, m terminal 

 solitary many- jointed spikes, the lowest two or mox-e pairs of 



578 



