lis 



Neilgherries and other lofty mountain ranges, flowering in MarcE 

 and April. The varieties of this species are very numerous. 



(2) R. FORMOSUM. (Wall. J 



Ident. Wall. PI. As. Rar. III. p. 3.— t)ec. prod. VII. p. 721. 



Engrdv. Wall. 1. c. t. 207. 



Spec. Char. Leaves lanceolate, obtuse, shining above, below 

 and *ith the corollas scurfy : flowers few, terminal : calyx smalb, 

 scarcely lobed : corolla subcampanulate, with an angular tube : fila- 

 inents villous : flowers white, tinged with purple and yell'bw. 



Silhet mountains. 



ORDER XCV. LENTIBULACEJE. 



Herbaceous aquatic or marshy plants, with entire or com- 

 pound radical leaves ; in the latter case usually floating, the 

 leaves resembling roots and bearing numerous small bladders : 

 scapes slender, erect or twining, naked or furnished with scales ; 

 flowers either solitary or several, forming a raceme towards the 

 apex : calyx 2-parted or more 'or less bilabiate, Ihe inferior one 

 often larger, often emarginate or bidentate : corolla personate of 

 bilabiate, rarely regular ; the upper lip 2-lobed or entire, the 

 under larger, spurred a,t the bas6, 3 lobed tir entire': stamens 

 two, inserted on the base of the corolla, between the spur and 

 ovary : filaments somewhat flattened, often bent, approximated 

 at the base and apex : anthers terminal, ellipsoid, one-celled, 

 often contracted in the middle, as if two-celled, dehiscing above : 

 pollen (dry) broadly elliptical; ovary free, ovoid, one-celled: 

 placentae central, free, ovoid or globose, shortly stipitate at the 

 base : ovules numerous, anatropous or peltate : stigma 2-m' 1- 

 lipped (the upper one being obsolete) the lower one larger, often 

 dilated and jevolute over the anthers : capsule globose or ovoidi 

 bul-sting laterally or irregularly : seeds numerous, minute : 

 testa often wrinkled : albumen wanting : embryo orthotropous; 

 sub-cylindrical, sometimes undivided, sotiaetimes with two short 

 cotyledons. 



