.416 



HEXANDRTA TRIGYNIA. 



9. Hastatultts. Bildwin. 



R. valviilis rotundato- [ Valves round, cordate, en- 



cordatis, integris, grani- 

 feris ; foliis putiolatis, ob- 



lire, graniferous ; leaves 

 petiolate, oblong hastate, 



longo hastatis, auriculis | the auricles entire, ob- 

 integris, obtusis ,*. floribus 



tuse 



flowers dioicous. 



dioicis. 



Bald. 



I 



Roof perennial- Stem 1 — S feet high. In its mode of flowering, 



and its jjeneral habit it approaches the R^ acetosella. The valves en^ 



closing the seed become red by age, and give the old pastures, which 



this plant often entirely engrosses, a most splendid appcarance^ B. 



Grows in arid cultivated land in the south of Georgia and East- 

 Florida. 



Flowers April. 



NFXTRIS. Gen. pl. 610, 



Cah/x e-pbvlliis. 



roUa 0. 



Co. 



Capsular 3, uni- 



Calfjx 6-leavcd, 



CO: 



roll I 0. Capsules 3, one 



loculares, oligospermse, j celled, few seeded, not 

 non dehiscent es- 



i. AquAriCA. 



opening 



K. foHis demersis, op- 



Submersed leaves, op- 



positis, multipartito-Ii- I posite, many pai ted, H- 

 nearibus, fluitantibus al- j near, the floating leaves 

 ternis, ellipticis, peltatis ; j aherpate, elliptic, peltate^ 



floribus raeemosis. E 



Sp. pl. 2. p. 249. 



flowers in racemes, 



Nectris peltata, Pursh, 1. p. 239. 

 Cabomba aubletii, Mich. 1. p. 206. 



Perennial Stem terete, about a line in diameter, purple, branch 

 ing? ^^e^y *»"? Lowor Imves opposite, near tiie middle generallj 5 

 parted, towards th • sumuits dichotomous ; segments unequal, linear, 

 obtuse ; upper leaves narrow, oval or elliptic,°obtuse, glabrous, fl^'at" 

 ing and supporting the flowering part of the branches near the su'- 

 face of the water Flowers axillary, solitary, near tlie suuvmit of tlic 

 branches, for.. ung a terminal raceuie ; peduncle* 1 — 2 inches !"»6> 

 pubescent? Calyx persistent, 3 exterior leaves obovate, 3 inten"^^ 

 oval, longer than the exterior.^all white, emarginate, on short claws, 

 with two jeliow glatuls near the base Filammts not half as long a? 

 the caljx. Anthers erect, white. Germs 3, distinct, superior, piL- 



'%» 



y- ^'^ 





'^7. 



■ ^ 



> ■ 



'•'**-*• V v<<ryd^ . ['142- t 



