577 . 



(35) P. NiLAOiEicuM. fSteud.) 



Rent. Steudel 1. c. p. 62. 



Spec. Chae. Culm prostrate at the base, rooting, branched, 

 ascending, 2 — 3-feet, leafy, angular, pubescent, densely hairy at the 

 knots : sheaths striated, elongated, pubescent : leaves lanceolate, 

 hairy : rays of the panicle alternate, lower ones bifoliolate, upper 

 ones solitary, spreading, 10 — 15-spiculate : rhachis hairy : spikelets 

 glabrous, ovate, sub-gibbous at the apex : lower glume minute, 4 

 times shorter than the spikelet, upper one almost equalling the 

 neuter valvelet, glabrous : caryopsis slightly striated and dotted 

 lengthways. 



Neilgherries'. 



(36) P. oxtphtlhtm:. (HochstJ 



Ident. Steudel 1. o. p. 65. — Hohenhack. herb. Ind. Or. IT. 627. 



Spec. Chae. Culm branched or seldom simple, glabrous : sheaths 

 striated, hairy at the edges and mouth : leaves lanceolate, very 

 acute, striated, sparingly hairy or glabrous : rays of the spreading 

 panicle solitaTy, remotish, paniculate, upper ones more approximated, 

 racemiform : spikelets ovate, obtuse, glabrous : glumes unequal, 

 shorter than the floret : hermaphrodite shining, very smooth. 



Canara. 



(37) P. rNTEEEUPTUM:. fWilld.J 



Ident. WiUd. spec. I. 351.— Eoxb. 1. c. p. 305.— Dalz. 1. c. 316. 

 Syn. P. inundatum ? Kunth. 



Spec. Chae. Culm under the water, floating, thick, ascending, 

 several feet high : sheaths longer than the joints, smooth : leaves 

 smooth, narrow : raceme spike-Kke, slender, cyliudric, erect, 4 — 8- 

 iaches: florets small, green, smooth, short-pediceUed, crowded all 

 round the rhachis, oblong : glumes 5 — 7-nerved, lower one roundish 

 and perfoliate : neuter floret 2-paleaceous : anthers purple, long- 

 exserted. 



A large species clothing the margins of tanks throughout the 

 Concan. Bengal. 



(38) P. cuEVATUM. (Linn.) 



Idmt. Linn. syst. xii. 730.— Eoxb. 1. c. p. 289. 



Spec. Chae. Culm slender, erect or ascending : leaves lanceokte- 

 linear, acuminate, hairy above, sheaths ciUated at the edge : rays of 

 the compound raceme flexuose, erect : pedicels equalling or exceed- 

 ing the spikelet, 1 -flowered : spikelets oblong-lanceolate, incurved, 

 nervose-striated, glabrous : lower glume minute, ovate, almost 

 nerveless, upper one U-nerved, a little longer than either l-valved 

 5-nerved floret : hermaphrodite ovate, smooth. 



Borders of tanks. 



37 



