76 Botany of the Tenasserim Provinces. 



Dilleniacea. — The perfect seeds of Dillenia speciosa have 

 the cells of the inner integument marked with longitudinal 

 incomplete fibres. This is one among several instances that 

 I could adduce in corroboration of Dr. Brown's remark that 

 the fibres are not developed until after impregnation. 



Memecylece. — Among the species, I may mention one, that 

 so far as may be judged by the examination of the calyx of 

 the fruit, appears to have the stamens equal in number to 

 the petals. In several of these the number of ovula ap- 

 peared to be always nine, of which number 6 to 7> or generally 

 8, subsequently become abortive. One species occurs abun- 

 dantly about Mergui, the leaves of which are furnished with 

 pellucid glands ! A genus likewise exists which, with the 

 flowers of Memecylon, has the fruit and seeds of a widely 

 different structure, and which is a proof of the accuracy of 

 Dr. Brown's statement ; (Appendix Congo) ? that Memecylese 

 are not sufficiently distinct from Melastomacese. This genus 

 may be thus characterized. 



Apterixis. — Calycis tubus globosus, limbus intus eplica- 

 tus brevissime 4-dentatus. Petala4. StaminaS. Connectivum 

 eglandulosum. Ovarium 4-loculare, ovula 00, placentis 4- 

 carnosis, parietalibus, affixa. Fructus dentibus calycinis ob- 

 soletis coronatus 4-locularis. Semina 00, angulata placentis 

 4, parietalibus affixa. Embryo orthotropus. Coty ledones 

 plense ! sub-reniformes. 



A. trinervis, arbuscula, folia ovata basi 3-nervia, floribus 

 racemoso paniculatis pallide caeruleis. 



The placentae only occupy the lower half of each cell. 



Among the Melastomacece, two species of Sonerila occur, 

 and one species of the curious epiphytical genus* with 

 fleshy, very smooth, and indistinctly 3-nerved leaves. The 

 aestivation of the stamina, or rather the stamina during 

 festivation, are lodged in a corresponding number of cells, 

 formed by the partial adhesion of the calyx with the apex 

 of the ovarium. The fertile part of this organ is wholly 



* Medinilla. 



