291 



5. P ^EGYPTIACUM, Retz. Obs. iii, 8. Creeping at the base; 

 spikes 4 to 8, corymbose, smooth ; flowers twin, unequally pedi- 

 celled ; accessory value of the calyx minute or wanting, the others 

 unequal, nerved, and ciliated on the margin. Syn. Digitaria 

 aegyptiaca, Willd. Enum. 93. 



6. P CONJUGATUM, Roxb. Fl. Ind. i, 288. Culms branched, 

 Creeping, their extremities suberect; leaves short and rather broad, 

 covered with soft hair ; sheaths large, downy ; spikes 2, terminal, 

 spreading, horizontal ; lower glumes minute, lanceolate ; upper 

 tapering to a fine point, 3-nerved; margins fringed. 



7. P NEPALENSE, Spr. syst. i, 321. Erect, 4 to 5 feet high ; 

 leaves lanceolate plicate, 1 foot long and 2 inches broad ; mouths 

 of the sheaths bearded ; panicle thin ; branches long, simple filiform, 

 remote ; flowers solitary, or twin, or in threes, pedicelled, with a 

 long awn often springing from the pedicel ; florets smooth. On 

 the western side of the Ghauts. A remarkable Grass. Syn. P 

 nervosum, Roxb. Fl. Ind. i, 311. 



4. ISACHNE, Brown. 



1 . I ELEGANS, Dalz. A small, elegant Grass, about 8 inches 

 high ; culms geniculate below ; sheaths ciliate and with the apex 

 bristly ; leaves 2 to 3 inches long, 3 to 4 lines broad, deeply striated, 

 and minutely serrulate on the margin ; flowers panicled ; panicle 

 consisting of slender, alternate, undulating branchlets ; florets 

 solitary, pedicelled, globular; glumes green, with red margins, 

 tuberculated and bristly 2-flowered, both flowers perfect, plano- 

 convex. On the margins of rivulets in the Deccan. Native name 

 " Doonda." 



5. OPLISMENUS, Beauv. 



1. O BURMANNI, Beauv. Agrost. 54. Culms creeping, branch- 

 ed, with their extremities erect ; leaves lanceolate, waved, hairy ; 

 sheaths half the length of the joints, very hairy ; spikes compound, 

 secund, erect ; spikelets 4 to 8, alternate secund, ad pressed ; flowers 

 generally paired, 1 sessile, the other pedicelled ; glumes hairy, with 

 long awns. Generally found under the shade of trees. Syn. 

 Panicum burrnanni, Retz. Obs. iii, 10 ; Orthopogon burmanni, 

 Brpwn Prod, i, 194. 



2. O COLONUS, Humb. and Kunth. nov. Gen. i, 109. Culms 

 below, resting on the ground and rooting, above suberect, branched, 

 a little compressed, smooth ; leaves short, smooth, tapering from 

 the base to a sharp point ; spikes compound, secund, 7 to 9, alter- 

 nate, distant spikelets in 4 series ; glumes scabrous, mucronate, 



