41 



RICCIA NATANS. 



> ■ 



Cryptogamia Hepatic,^. Nat. Ord. Hepatice. 



Gen. Char. Capsula substantia frondis immersa, membranacca, in- 



dehiscens, demura evanescens, stylo protruso terminata, seminibus 

 tuberQulatis repleta. 



I * 



r 



Hiccia natans j fronde obovata cordatave dichotome lobata, lobis ro- 



■ 



tundatis margine subtusque longe fimbriatis, fimbriis retlculatis 

 serrato-dentatis. (Tab. XXII.) 

 Kiccia natans. Ijin?i. SvsL Nat. cd. 12. v. 2. v. *708. 



R 



BoL t. 252. Spreng. Syst. Veget. v, 4. p. 236. 

 ia capillata. Schmidel Icones. p. 276. /. 74. 



Smithy Bngl. 



Lemna dimidiata. Hqfinesgue in Amer. Moiitldt/ Magaz. v. 1. (Jidi 



Torrey 



sHab 



I 



Septentrionali capsulas proferens prope Novam Eboracensem. 

 Tir* Torrey. 



IProndes subcongestae aquae superficiei natantes, semiunciam longse, 



simplices, nunc obovatae, emarginatae, nunc obcordatse, bis terve 



dichotome lobatae, lobis rotundatis, planae^ carnoso-membranaceae, 

 intus ceIIuloss&5 Isete virides, reticulatae, obscure costatae, margine 



saepe purpurascentes, subtus margineque dense fimbriata?^ fimbrns 

 lineari-acuminatis, sub lente reticulatis, membranaceis, dentato- 

 serratis, viridibus vel ssepissime purpurascentibus. Capsules 

 semper in costam sitae, substantia immersae, superne convexae, 

 intus granulis vel seminibus numerosis, minutis, subspbaericis, 

 tuberculatis, nigris repletae. 



The fructification of this (hitherto) supposed species of 

 Hiccia has long been a desideratum ; and though the plant 



has been known fo 



derable time 



the botanists 



m 



Europ 



yet no specimens 



fruit had been 



by 



then 



. At length in 1824 Dr. Torrey, Professor of Natural 



History at the Military Academy at \Yest Pointy New York, 



