"54 TRiANDRiA BicYNiA. Roltboellia. 



phrodite and as long as the joints of the rachis. — Calyx one-flower- 

 ed, tvvo-valved, smooth, cartilaginous. The exterior valve of one 

 of the pair obliquely emarginate, the other acute. — Corot, the her- 

 maphrodite and male three-valved, one valve on the inside, and two 

 on the outside; all tinged with deep red at the base. 



2. R. compressa. Linn. Sp. Fl. ed. Willd. i. 435. Cor g in. PL ii. IV. 

 W6. Retz. Obs. iii. 12. 



Culms climbing, from five to twenty feet high, smooth, compress- 

 ed ; spikes axillary and terminal ; rachis jointed ; flowers opposite, 

 hermaphrodite calyces one-flowered. Carol three-valved. 



Ben^. Pansheroo. 



Teling. Shervoo, i. e. lake panookoo. 



Is found on the borders of lakes, amongst other roots of long grass, 

 and brush wood. 



Culms several, creeping or climbing, ramous, compressed, from 

 five to twenty feet long, piped, smooth, about as ihick as a com- 

 mon quill, and very hard. — Leaves numerous, hilarious, small for the 

 size of the plant, smooth and soft ; sheaths short, compressed, and 

 smooth. — Spikes pcduucled, terminal, and from the exterior axills; 

 generally from two to five together, compressed, a little smooth, from 

 two to four inches long. — Peduncles articulated at the middle and 

 there bracted, lanceolate, chaffy, bractes also 'Surround their inser- 

 tion. — Flowers all hermaphrodite, opposite, decussated, lodged in 

 the excavations of the jointed rachis. — Calyx one-flowered, two- 

 valved, valves nearly equal ;• the flowers have alternately their valves 

 pointed and somewhat longer than the excavation in the rachis, both 

 cartilaginous; — and obtuse, equal to the pitsintheraci)is, with the ex- 

 terior one only cartilaginous. — Coro/ three-valved, valves membrana- 

 ceous. Nectary, two triangular bodies embracing the base of the 

 stamens and germ. — Stamens three.—Styles two; stigifias plumose, 



3. R. exaltata. Linn. Sp. Fl. ed. Willd.l 466. Corom. PL 2. N. 1 57. 

 Polygamous. Culms erect, hirsute, from six to ten feet high. 



