320 A COMMENTAUY ON THE SECOND BOOK 
plant does not belong to the genus Citrus,—'^ Sub tenui 
cortice quatuor vel quinque plana ossicula seminalia recon- 
duntur in cellulis repletis viscoso succo instar visci.'" Now, 
in the genus Citrus there are more than one seed in each 
cell, and the cells are filled with a pulp contained in vesicu- 
Ise. On the whole, it seems more nearly allied to the Limo- 
nia or Scolopia than to the Citrus. 
CAP. XLII. 
AUBANTIUM SINENSE MAJUS . n o ^ 
^ >■ p. 116. t. o4^ 
AURANTIUM SINENSE MINUS 
CAP. XLIIL 
AURANTIUM VERRUCOSUMj p. 115, t. 35, 
LiMON POULERON, p. 116. 
^ AURANTIUM PUMILUM MadURENSE^ p. 116. 
These are all the varieties of this fine tree, excluding the 
Pompelmoes or Citrus Decumanus, that in the eastern 
islands produce a sweet fruit. No doubt a vast number 
might be accumulated, were we to include all those of the 
different countries in which they grow ; but, so far as I 
have seen, they may be reduced to the two kinds here men- 
tioned by Rumphius ; one with the rind easily separable 
from the pulp, and the other with these two parts closely 
united. Of the Malus aurantia cortice eclidi of C. Bauhin, 
which forms Willdenow''s variety /3 of the Citrus Auran- 
tium, I know nothing. 
The orange seems to be a very capricious plant, requir- 
ing something peculiar in the soil oi situation to bring it to 
perfection. The tree thrives in every part of India ; but, 
so far as I know, it produces good fruit in only four places ; 
