JtissiEUA.] ONAGEACE^, 355 



1- or many-seeded. Albumen or scanty. — Species about 300, tlirougli- 

 out the world, but cbiefly in the N. temp. zone. 



Fruit capsular, seeds many. 

 Calyx-tube not produced beyond the ovary. 

 Stamens twice as many as the calyx-lobes . 1. JussiEUA. 

 Stamens a? many as the calyx-lobes . . 2. Ltjdwigia. 

 Calyx-tube much produced beyond the ovary 3. (Enotheba. 

 J'ruit bony, indehiscent, 1-seeded . . .4. Trap A. 



1. JUSSIEUA, Linn. ; Fl. Brit. Ind. ii, 587. 



Herbs or undershrubs, growing usually in swamps. Leaves alter- 

 nate, undivided, mostly entire. Floioers yellow or white, axillary, 

 solitary ; pedicels usually 2'bracteate at the apex. Calyx-tube 

 scarcely produced above the ovary, linear ; teeth 4-6, acute, persistent. 

 Petals 4-6, epigynous. Stamens double the number of petals, epigy- 

 ncus. Ovary inferior, 4-5-celled ; style simple, usually very short, 

 ^tic/ma 4-5-lobed ; ovules many, axil'e, in several vertical rows at the 

 inner angle of each cell. Capsule linear, round or angular, 4-5-celled, 

 8-10 ribbed, opening septlcidally in valves separating from the per- 

 sistent ribs or irregularly between the ribs. Seeds very many, without 

 -coma. — Species about 30, in the tropics of the whole world, but chiefly 

 in America. 



Stems creeping or floating, petals 5, capsule 



woody . . . . • . . , 1. J. repens. 

 Stems erect, petals 4, capsule membranous . 3. J. suffruticosa. 



1. J repens, iin^. ; B^oxb.; Fl, Ind. ii, 401 ; W. Sf A. Prod. 336; Boyle 

 JU. 211 ; D. ^ G. Bomb. Fl. 9S ; F. B. I. ii, 5S7. 



A herb with creeping or floating stems. Leaves -l-S in, long, obvate or 

 bblanceolate, obtuse, narrowed into the petiole, glabrous or sometimes 

 hairy. Pedicels usually as long as the capsule. Petals 5, rarely 6, about 

 ^ in. long, obovate, white with yellowish veins towards the base. Capsule 

 woody, 1-1? in. long, linear- cylindric, glabrous or with scattered hairs. 

 Seeds quadrate, with a white corky reticulated testa. 



'Common within the area in ponds or on river-banks, Distbib. Through- 

 out the plains of India, and in the warmer parts of the whole world. 

 Flowers during the rainy season. The stems, when floating, are sup- 

 ported by means of spongy vesicles developed from below the insertions 

 of the " 



2. J. suffruticosa, Linn. ; F. B. I. ii, 587 ; Waft E. D. J. exaltata, Boxh.; 

 Fl. Ind.ii, 401. J, villosa, LamK; W. S- A. Prod. 336: Boyle III. 211 r 

 J). Sf a. Bomb. Fl. 9S. 



