627 



(1) 0. Tkousivm. (Trin.) 



Ident. Trin. fund. Agr. 98. 



Syn. liTardus Thom^a, Z««».— Eottboellia Thomffia, Willd.— 

 R. pilosa, ■'^'" ' 



Engrm. Eoxb. Cor. II. t, 132. 



Spec. Chae. Culms erect, compressed, l-inch : leaves bifaripus, 

 numerous, somewhat setaceous : spikes terminal, solitary, subulate, 

 distichous, compressed: flowers in the hoUow of the rliachis all 

 hermaphrodite. 



Peninsula. Grows on old walls. 



GENUS XLV. HEMAETHRIA. 

 Trlandvia Digrynla. Sex: Syst; 



Dervo. From Hemi half, and Arthron a joint. 



Gen. Chae. Spites slightly compressed,- half-jointed : spikelets 

 in two rows, two in each joint, one sessile attached to the rhachis 

 through the upper glume, the other pediceUed, pedicel closely con- 

 nate with the rhachis: glumes free, both fertile, 2-flowered: flowers 

 enclosed, hyaline, muticous, lower 1 -paleaceous neuter, upper 

 2-paleaceous hermaphrodite : glumes 2, parallel to the rhachis, 

 oblong, acute, unequal : styles terminal : stigmas plumose : scales 

 2i truncated, glabrous. 



(1) H. CoEOMANDELiAirA. fSteudel.J 



Ident. Steudel 1. c. p. 358. 



Syn. EottboeUia compressa, Roxb. I. c. p. 354. 



Engram. Eoxb. Cor. II. t. 156. 



Spec. Chae. Culms many, creeping, scandent, 5 — 10-feet, hard, 

 glabrous, compressed : sheaths short : leaves numerous, bifarious, 

 soft: spikes peduncled, terminal and axillary: peduncles jointed 

 in the middle and there bracteated : -flowers opposite, all hermaph- 

 rodite, 1 -flowered: glumes nearly equal, longer than the joint, 

 cartilaginous, obfeise : corolla 3-valved. 



Borders of tanks in Bengal and Peninsi^a. 



GENUS XLVI. VOSSIA. 



Vvlatidria Dtgfynia. Sex: Syst: 



Gek. Chae. Spikes compressed, jointed: spikelets 2-flowered, 

 immersed in the joints of the hollow rhachis : lower flower mstle, 



