224 ocTANDRiA MONOGYNiA. Osbeckitt. 



and terminal ; those of the axils solitary, and short-pe- 

 duncled ; the terminal from one to five, or seven toge- 

 ther, and still shorter peduncled, a large, beautiful bright 

 blue-purple. Bractes fringed. Calyx bristly ; interme- 

 diate scales consisting of a pedicelled star of bristles 

 each. 



2. O. chinensis. Willd. 2. 300. 



Annual, erect, four-seeded, scabrous. Leaves sessile, 

 lanceolate, three-nerved. Flowers terminal, subsessile, 

 four smaller divisions of the calyx fringed. 



Found in Cuttack, on dry rice fields, in flower during 

 the cold season. 



3. O. tetrandra. R. 



Shrubby, scandent. Leaves opposite, three-nerved. 

 Panicle terminal. Flowers tetrandrous. 



A large, climbing shrub, a native of Pulo Pinang, 

 Tendrils few, scattered, solitary, undivided. 



Leaves opposite, short-petioled, Ihree-nerved, cordate- 

 oblong, entire, smooth on both sides ; a marginal vein 

 runs round the leaves, which gives them the appearance 

 of being five-nerved. Petioles short, bristly on the up- 

 per side. Panicles terminal, cross-armed, conical ; di- 

 visions thereof trichotomous. Ca/yx one-leaved. Ttihe 

 gibbous, permanent. Border four-parted, deciduous. 

 Petals four, alternate with the stamens, long-clawed, cres- 

 cent-shaped, fringed, each having a long spur projecting 

 downward from the inside. Filaments four, inserted into 

 the calyx. Anthers erect ; before expansion their points 

 are lodged in four deep pits between the calyx and germ, 

 with long perforated beaks and two small scales at the 

 base of each on the inside. Germ hidden within the calyx. 

 iS<2/?e awled. 5h'gma simple. CapsM/es roundish, crowned 

 with the entire tube of the calyx, four-celled ; cells open- 

 ing at top. Seeds very numerous. Receptacle semilunate. 



