246 Oranges and Lemons of India. 



There, according to Rumphius, the Citrus goes by the 

 name of lemo and lemon. 



(e.) It is probable that some huge forms of Citrus 

 may have originated in a fusion of two ovaries, and 

 that eventually, by reproduction from seed, the fusion 

 was perpetuated, while its external signs became obli- 

 terated, in the same way that the signs of separate 

 carpels in some Citrus are now completely obliterated. 



(f.) It is, I think, more probable that the true- 

 lime (C. acida of Roxburgh) has descended from C. 

 hystrix of Kurz (now found wild in Burmah), than 

 from* the C. medica of Linnaeus, as has been 

 surmised. 



(g.) I believe that the idea of the juice vesicles of 

 the Citrus pulp being homologous with the essential 

 oil cells of the rind anfl leaves, is put forth for the 

 first time. It is, therefore, for others to judge whether 

 this theory can stand. If so, the oil cells of the rind, 

 of the leaves, &c., the juice vesicles of the pulp, the 

 pollen grains, the buds, and probably also the ovules or 

 seeds of the Citrus would be homologous organs. 



