287 



with a tooth-shaped suhulate aBcending appendage : anthers linear 

 or oblong, emarginate at the apex, 2-ceUed : cells contiguous : ovary 

 free, oblong, sessile, incompletely 3-celled : ovules numerous, fixed 

 to three 2-lobed placentse, remote from the centre : style longish, 

 persistent : stigma obtuse : capsule ovate, 3-comered, mucronate 

 with the per^stent style, 3-celled, 3-valved, many seeded : seeds 

 minute, elliptic, ribbed lengthways. — Creeping aquatic, glabrous 

 herbs : radical leaves long-petioled, hastate, sagittate or cordate, 

 petioles sheathing at the base : peduncles radical, simple, scapiform, 

 1 -leaved above, racemosely or corymbosely few-many-flowered : 

 flowers blue : spathe 1-leaved below the raceme or corymb, a little 

 remote. 



(1) M. HASx^i-oLiA. fPresl.J 



Ident. Presl. in Eeliq. Haenk. II. 128.— Kunth Enum. pi. 

 iv. 133. 



Syn. Pontederia hastata, Zinn. Roxb. fior. Ind. II. p. 121'. 



JEngrm. Eoxb; Cor. II. t. 3. 



Spec. Chak. Leaves triangular or hastate-pointed, many-nerved, 

 smooth and glossy, posterior angles generally obtuse : flower-bearing 

 petioles swoUen near the apex and there split for the passage of the 

 raeeme : flowers numerous, pedicelled, bright blue-violet. 



Margins of tanks in Malabar. Coromandel. Flowering in the 

 rainy and cold season. 



(2) M. vAGESAiis. (Fred.) 



Ident. Presl. 1. c. — Kunth 1. c. p. 134. 



Syn. Pontederia vaginalis, Bit/rm. Ind. p. 80. Roxb. I. e. 

 p. 121. 



Mngrav. Eoxb. Cor. II. t. 110. Eheede Mai. xi. t. 44. Eumph. 

 Amb. vi. t. 75 fig. 1. 



Spec. Chae. Leaves narrow-cordate,, pointed, smooth, glossy, 

 6 — 7 -nerved: petioles long, fistulous, smooth, those bearing a 

 raceirie swollen about the middle : raceme short-peduncled : flowers 

 about .12, blue hyacinth. 



Margins of tanks. Coromandel. Concans. Bengal. Flowering' 

 in the rainy and cold season. 



(3) M. sAoiiTATA. (Kunih.) 



Ident. Kunth. 1. c. 



Syn. Pontederia sagittata, Roxb. I. c. p. 124. 



Spec. Chae. Leaves sagittate; umbel sessile: flowers long- 

 pedicelled. 



Near Chittagong. 



