named Rafflesia. 
n 1 
O 1 
no instance being, I believe, at present known of parasites on 
roots, which likewise originate from other parts of the plant. 
Many important particulars remain to be ascertained respect¬ 
ing the Pistilium. 
From Mr. Jack’s account it appears that the seeds are found 
in the substance of the column ; in other words, that the ovarium 
is superior. But as I have formerly remarked, that in the male 
iiower the same internal structure seems to be continued below 
the apparent base of the column, it is possible that in the female 
the production of seeds may extend to an equal depth : the ova¬ 
rium would then become essentially inferior, as far at least as 
regards the question of the affinity of the plant. This point would 
be determined by a description of the unimpregnated ovarium, 
a knowledge of whose structure is also wanting to enable us to un¬ 
derstand the nature of the ripe fruit, and especially the origin 
and direction of the fissures, on the surfaces of which the seeds 
are produced. 
It is desirable likewise to have a more particular description 
of the Stigma , to which Mr. Jack seems to refer both the cor- 
niculate processes of the disk, and the undivided limb of the 
column. These parts in the male dower have no evident papulose 
or secreting surface; for the hispid tips of the processes can 
hardly be regarded as such. But it is not likely that in the female 
dower they are equally destitute of this, which is the ordinary 
surface of a stigma; and it appears to me more probable that 
such a surface should be condned to a definite portion, probably 
the tips, of the corniculate processes, than that it should extend 
over every part of the apex of the column. 
'Whatever may be the fact, my conjecture respecting these 
processes being possibly imperfect stamina is completely set 
aside ; though it is still didicult to connect their number and ar¬ 
rangement with the supposed structure of ovarium. 
Until 
