295 



10. LAPPAGO, Schreber. 



1. L Aliena, Spr., N. Ent. ii, 15. — Culms pressing on the earth, 

 and striking roots from the joints, 6 to 12 inches long, branched; 

 leaves short, margins ciliate and waved, glaucous ; mouths of the 

 sheaths bearded ; racemes terminal, simple, 1 to 2 inches long ; 

 pedicels short, diverging, 2-flowered ; flowers lanceolate, echinated 

 on the back or outside, diverging on all sides round the rachis, 

 the prickles pointing in 5 different directions. Syn. Lappago 

 biflora, Roxb. Fl. Ind. i, 281. This we have found in Sind, but 

 have looked for it in vain at Domus, the locality indicated in 

 Graham's list. 



Section. — Stipace^. 

 11. ARISTIDA, Linn. 



1. A Setacea, Retz. Obs. iv, p 22. — Rhizome thick; culms 

 erect, firm, 2 feet high, generally branched, tumid at the nodes ; 

 sheaths smooth ; leaves filiform convolute, flaccid, 3 to 6 inches 

 long ; panicle rather dense, of a straw-colour, linear, contracted ; 

 branches of the panicle solitary, or several together; glumes 

 unequal, upper bidentate at the apex, mueronate, longer than 

 the subulate inferior one ; awns of the flower 12 to 16 lines 

 long, spreading. On dry hills. Used for making tatties ; cattle 

 do not eat it. 



2. A Hysteix, Linn. Fil. — Root creeping, stoloniferous, branch- 

 ed ; culms diffuse, ascending, 10 to 20 inches long ; sheaths smooth, 

 striated, bearded in the mouth ; leaves rather glaucous, spreading 

 in 2 ways, 1 1 to 4 inches long ; convolute, smooth, roughish above ; 

 panicle rigid, divisions spreading, angular, bearded at the axils ; 

 flowers as in the preceding. Found along with the former. 



3. A Depeessa, Retz. Obs. iv, p 22. — Culm 9 to 18 inches, 

 ascending or procumbent ; leaves rather glaucous ; rays of the 

 dense panicle rather contracted and nodding; flowers as in the 

 germs. One of the most troublesome of all the Grasses ; the ripe 

 flowers, which fall off easily, are like barbed arrows. 



Section. — Agrostide^. 



12. SPOROBOLUS, Brown. 



1 . S Orientalis, Kunth. — Culms branched, creeping, with 

 4 to 8 inches of the extremity erect, smooth, filiform, and very firm ; 

 leaves very small and smooth ; panicle erect, hnear ; ramifications 

 adpressed, 1 to 2 inches long ; outer glume shorter than the paleee. 

 A small, rigid Grass, growing on stiff pasture-land. Syn. Agrostis 



