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XIX. Description of a new Genus of Plants belonging to the Order 

 Nymphœaceœ : in n Letter to H. T. Colebrooke, Esq., F.lt.S., 

 F.L.S. Bij Nathaniel TVallich, M.D., ['.L.S., F.R.S. Ed., .^'c. 



Read May 1, 1827. 



BARCLAY A*. Wall. 



Linn. Syst. Poli/andria Poli/gynia. 



Or DO Nat. Nympkaacea. Trib. 2. Decand. Syst. Nat. ii. 



p. 48. 



Char. Gen. &/>cr/a quinqiie distincta, infra ovarium thalamo 

 inserta. Torus basi in ovarium globosum ampliatus ; inde 

 tubulosus, corollaceus, staminiferus, fauce 8^10-lobà, lo- 

 bis inaequaliter bi- v. tri-serialibus, conniventibus. Stamina 

 plurima, nutantia, tubo tori intiis adfixa eodemque inclusa ; 

 superiora sterilia, ramosa. Antherce iiudœ. StijU plures 

 fmido tubi radiatim inserti, supra foveam verticis ovarii con- 

 niventes, basi connati. Bacca carnosa, globosa, calyce suf- 

 fulta corollaque coronata persistentibus, multilocularis, po- 

 lysperma. Scmina globosa, setis carnosis obtecta, alburai- 

 nosa, inversa. 



Plabitus. Herba facie Potamogetonis, in aquis stagnantibus pro- 



* This very curious and interesting genus I liave dedicated to my higlily respected 

 friend Robert Barclay, Esq. of Bury Hill, a most worthy benefactor to the science of 

 Botany. 



veniens, 



