460 DODECANDRIA MONOGYNIA. Rhizophortt. 



smooth, its base inserted, (as in a socket, into a large firm 

 flask-shaped receptacle, which I take to be the albumen 

 and vitellus of Gaertner. If the seed be erect, the perma- 

 nent calyx adheres to its globular base. Perisperm 

 none. JE/n6ri/o inverse. Cotyledons undetetmined. Plu- 

 mula of along, sharp, conical shape, two-lobed ; pluraula 

 within. Radicle conform to the seed, superior, the real 

 root proceeds from its apex. 



The great length of the seed of this species, gives in a 

 very short time a young tree ; for if the apex from whence 

 the root issues, is only stuck a little way into a wet soil, 

 or mud, the leaves quickly unfold at the opposite end, as 

 mentioned by Brown in his History of Jamaica. 



The wood of this tree is of a dark reddish colour, hard 

 and durable. 



2. R. gymnorhiza. Willd. 2. 843. 



Leaves opposite, oblong and broad-lanceolar, smooth. 

 Flowers solitary. Calyx many-cleft. Stamens twenty or 

 more. 



Kandel. Rheed. Mai. 6. t. 31. and 31. good. Rumphiuss 

 figures are not so good. 



Kakra of the inhalaitants of the Delta of Ganges, 

 where, in such places as the spring tides rise over, it grows 

 in abundance to be a tree of considerable magnitude. 



Trunk generally dividing before it reaches the ground, 

 like a parcel of hop-poles piled up in form of a cone. 

 Leaves opposite, decussate, crowded about the ends of 

 the branches, petioled, erect, oblong, pointed, very smooth, 

 entire, firm, and somewhat fleshy, almost veinless ; ge- 

 nerally about six inches long. Petioles from one to two 

 inches long, channelled. Stipules large, within the leaves, 

 caducous. Peduncles axillary, solitary, one-flowered, 

 shorter than the petioles, nodding. Calyx about twelve- 

 cleft ; divisions tapering, acute, a little incurved, fleshy, 

 smooth, permanent. Petals just as many as the divisions 

 of the calyx, of nearly the same length, and inserted on 



