Limnophila.'] sciiophulabinEjE. 24 9 



Hongkong, Hance, common in the Happy Valley, Wilford ; frequent in India, from Ceylon 

 and the Peninsula to the Archipelago, and northward to the Himalaya, S. China, and the 

 Philippines. 



Var. subracenwsa, Benth. 1. c. Flowers smaller, in loose leafy racemes, either terminal or 

 in the upper axils. 



Hongkong, Hance. Occurs here and there almost all over the area of the species. 



5. HERPESTIS, Gaertn. fil. 



Sepals 5, distinct, the lower one much broader than the others. Corolla 

 with a spreading more or less 2-lipped limb, the upper lip emarginate or 

 2-lobed, the lower 3-lobed, or sometimes all 5 lobes nearly equal. Stamens 

 4, in pairs, the anthers all with 2 perfect contiguous cells. Style dilated at 

 the top, concave or slightly 2-lobed. Capsule opening in 2 valves, which are 

 sometimes cleft to the base so as to appear 4-valved, leaving a free central 

 column. — Herbs, sometimes aquatic. Leaves opposite, entire, toothed or 

 in some aquatic species divided into filiform segments. Mowers axillary or 

 in terminal racemes, without or rarely with bracteoles under the calyx. 



A considerable tropical and subtropical genus, chiefly American, with a few species natives 

 of the Old World. 



1. H. Monnieri, H. B. andK.; Benth. in DC. Prod. x. 400 ; Bot. Mag. 

 (. 2557. A low creeping glabrous leafy annual. Leaves obovate or oblong, 

 seldom above 5 in. long, rather thick, entire or crenate, without prominent 

 veins, or obscurely 1- or 3 -nerved. Flowers few, pale blue, rather small, on 

 pedicels usually rather longer than the leaves, with 2 small bracteoles under the 

 calyx. Outer sepal ovate. — Anisocalyx limnanthifluriis, Hance in Walp. Ann. 

 iii.*L95. 



Frequent in marshes, Champion and others. One of the commonest marsh plants through- 

 out the tropical regions of both the New and the Old World. 



6. DOPATRIUM, Ham, 



Calyx deeply 5 -cleft. Corolla-tube dilated at the top, the limb 2-lipped, 

 the upper lip short, 2-lobed, the lower large, broadly 3-lobed. Stamens, 2 

 upper ones fertile, the anthers with 2 distinct parallel cells, 2 lower stamens 

 minute and sterile. Style short, with a 2-lobed flattened stigma. Capsule 

 4-valved, leaving a free, flat, 2-lobed placentiferous dissepiment. Seeds 

 warted. — Slender glabrous annuals. Leaves opposite, entire, small, the upper 

 ones minute. Pedicels filiform, forming loose terminal racemes. 



A small genus, limited to tropical Asia and Africa. 



1. D. junceum, Ham. in DC. Prod. x. 407. Stem erect, very slender, 

 simple or slightly branched, usually 6 in. to 1 ft. high. Lower leaves few, 

 towards the base of the stem, but seldom rosulate as in D. nudicaidis, oblong 

 or linear, seldom above i in. long, the upper floral ones remote and minute. 

 Pedicels filiform, seldom above 2 lines long. Flowers from 1 to 2 lines long. 

 Ovary in ihe upper part incompletely 2-celled, the placentas meeting at the 

 base only. 



Hongkong, Wright. A marsh plant, widely distributed over India, from Ceylon and the 

 Peninsula to the Archipelago, and northward to the Himalaya, S. China, and the Philippines. 



