THE 



Calcutta Journal 



OF 



NATURAL HISTORY 



Contributions towards a Flora of Ceylon, being the description 

 of Christisonia, a new genus of the tribe CYRTANDREiE. 

 By George Gardner, F.L.S., Superintendent of the 

 Royal Botanic Gardens, Ceylon, $c. $c. §c. 



CHRISTISONIA, Genus novum. 



Char. Gen. — Calyx tubulosus, quinquifidus, 5-angulatus, 

 aequalibus vel sub-bilabiatus. Corolla hypogyna, tubo infun- 

 dibuliformi, fauci ampliata, limbo 5-lobo, sub-bilabiato. Sta- 

 mina corollae tubo inserta, 4 ; didynama, fertilia, inclusa, vel 

 raritu exserta : filamentis complanatis : antheris unilocula- 

 ribus, apice poro obliquo debiscentibus, dorso basi calcaratis, 

 coherentibus. Discus bypognus nullus. Ovarium ovato- 

 oblongum, uniloculare : placentis parietalibus bifidis, lobis 

 utrinque multiovulatis. Stylus filiformis, simplex : stigma 

 bilabiata : labio superiore abortiente vel nano ; inferiore sub- 

 orbiculare vel oblongo. Capsula calyce inclusa, sub-globosa, 

 uniloculars, bivalvis, valvis medio placentiferis. Semina 

 plurima, oblonga, obtusa ; funiculo brevi crassiusculo ; testa 

 laxa, membranacea, reticulata. Embryonis albuminosi, or- 

 thotropi. Cotyledones breves obtusae : radicula crassa obtusa. 



Vol. viii. No. 30. July, 1847. x 



~~J% 



