244 Scrophulariacece, \Limnophila. 



Wet places in the low country; common. Fl. April-September; 

 mauve-pink. 



In most parts of Trop. Asia and Australia. 



Rather variable. C. P. 535 is the form with solitary axillary flowers, 

 L. punctata, Bl. Leaves slightly aromatic when bruised, and hot to 

 the taste. 



3. Zi. hirsuta, Benth. in DC. Prod. x. 388 (1846). 



Thw. Enum. 218. C. P. 2040. 

 Fl. E. Ind. iv. 268. 



Stem stout, rather spongy, rooting at nodes below, villous- 

 hairy; 1. opp. or often in whorls of 3, sessile, about i in., 

 lanceolate, acute or subacute, finely serrate, slightly hairy; 

 fl. on slender hairy ped., rather large, solitary or forming short 

 axillary racemes; sep. very acute, hairy; cor. \ in., glabrous. 



Wet places and paddy fields in the low country; rather common. Fl. 

 April-Sept.; violet-pink. 



Also in S. India, E. Bengal, Burma, Borneo, China. 



L. laxa, Benth., is given for Ceylon (Walker) in Fl. B. Ind. iv. 267. 

 I am unable to distinguish it from L. hirsuta. 



4. Ii. sessiliflora, Bl. Bijit. 750 (1826). 



Thw. Enum. 218 (in part). C. P. 2037, 2389 (part). 

 Fl. B. Ind. iv. 270. 



Stem submerged, rooting at lower nodes, cylindrical, 

 branched, glabrous; 1. sessile, the uppermost often undivided, 

 narrowly lanceolate, acute, finely serrate, 3-nerved, the rest 

 cut to the base into numerous tufted, filiform, pectinate, 

 spreading or deflexed, whorled segm. ; fl. sessile, axillary ; 

 sep. ovate-lanceolate, long-acuminate, very acute. 



In wet places and paddy fields in the low country ; common. Fl. 

 July; pink. 



Also in India, lUmna, Java, Japan. 



According to Fl. B. Ind., a Ceylon plant called by Bentham L.gratio- 

 loides, var. inyriophyl/oides, with short rigid leaf-segments, is a land form 

 of this growing on mud. The pectinate leaves are very much like those 

 of Myriophyllum. 



5. Zi. heterophylla, Benth. in DC. Prod. x. 390 (1846). 

 L. sessiliflora., Thw. Enum. 218 (part). C. P. 2389 (part). 

 Fl. B. Ind. iv. 270. 



Creeping on mud or floating on water, much rooting at 

 lower nodes, stem cylindrical, spongy, glabrous, branched 

 below; 1. sessile, the uppermost \-\ in., acute, finely serrate, 

 3-nerved, glabrous, intermediate 1. cut nearly to base into 

 3 or 5 lanceolate segm., lowest ones (generally submerged) 

 closely placed, cut to the base into numerous (9-1 1) filiform 

 pectinate, whorled segm.; fl. sessile, in axils of upper 1.; sep. 



