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XIX. Description of a new G hus of Plants belonging to the Order 
Nymphæacee : in a Letter to H. T. Colebrooke, Esq., F.R.S., 
F.L.S. By Nathaniel Wallich, M.D., F.L.S., F.R.S. Ed., $c. 
Read May 1, 1827. 
BARCLAY A*. Wall. 
Linn. Syst. Polyandria Polygynia. 
Onpo Nar. Nymphæacee. Trib. 2. Decand. Syst. Nat. ii. 
p. 48. 
Cuar. Gen. Sepala quinque distincta, infra ovarium thalamo 
inserta. Torus basi in ovarium globosum ampliatus ; inde 
tubulosus, corollaceus, staminiferus, fauce 8—10-lobá, lo- 
bis inzequaliter bi- v. tri-serialibus, conniventibus. Stamina 
plurima, nutantia, tubo tori intùs adfixa eodemque inclusa ; 
superiora sterilia, ramosa.  Anthere nude. Styli plures 
fundo tubi radiatim inserti, supra foveam verticis ovarii con- 
niventes, basi connati. Bacca carnosa, globosa, calyce suf- 
fulta corollâque coronata persistentibus, multilocularis, po- 
lysperma. Semina globosa, setis carnosis obtecta, albumi- 
nosa, inversa. 
Habitus. Herba facie Potamogetonis, in aquis stagnantibus pro- 
* This very curious and interesting genus I have dedicated to my highly respected 
friend Robert Barclay, Esq. of Bury Hill, a most worthy benefactor to the science of 
Botany. : 
veniens, 
