456 ee. 
ment when the sections were made for dint 
now to state, by way of apology, shat the inference, though an errone 
ous one, was not hastily made, and that the same inference has since 
been made by Dr. Hartig, and adopted by him as an important fact, in 
support of his new theory of the fertilization of plants, and more par- 
ticularly of that part eee treats of ‘ He eS by means of the style.’ 
use which is ma the Beppos act in that work, impels me 
to delay no longer this votraetial cote I am happy to state that a re- 
newed examination of Campanula a8 ~s supplied me with 
very satisfactory evidence, that the same mo fecundation obtains 
in this genus, that it is observable in other plan <b and that the d 
which I have long entertained as to the validity of Schleiden’s,theor 
have at length been almost entirely —— shall now swe the re- 
and nothing more: they discharge this function wee <= ; and hav 
effect of both which actions is to produce the revolution of the 
of the stigma, (which until then are erect and in mut sade and 
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upon the style. The withdrawal of fluid from the int 
len-collector, will necessarily cause the fine inner mem 
it is thereby shortened, and acting with tension on thé 
bran e to shrink ; 
drawn inwards, as the sliding tubes of a telescope a 
into each other, until the whole of the exserted hair is” 
bei he 
PD s of the revolution, the surface of the_ ‘stigma is 
‘into ties ecntnds with the pollen-grains, a sufficient number of 2 
re thus made to adhere to the stigmatic papilla, and to Aap 
tubes. The pollinic tubes penetrate between the papille 
