aS'^'^ of Tlants. 341 
and literature, combats alfo the notion of 
this analogy, and ufes of xh^ftamina^ through 
the whole fecond book of his Ajithologia.'' 
In the end he rejedls the fexual analogy, and 
confiders it as entirely chimerical. But 
finding all flowers furnifhed with a ftyle, 
or tube, he advances, that it ferves to con- 
vey the air to the fruit, by which, an intef- 
tine and fertilizing motion is excited in the 
feed, or ovary. 
In 1718, Monf. Vaillant publifhed 
Sermo de StruBura Flonimy horwn Diffe- 
rentiay ufuque Fart turn which had beea 
read the year before, at the opening of the 
Royal Garden. In this difcourfe, he de- 
fcribes the burfting of the antherce^ in a ftyle 
too florid for philofophical narration. He 
relates feveral of his own difcoveries on the 
nature of the farina, and the exploding 
power of the antherc^y and concludes with 
afl^enting entirely to Dr. Grew*s fentiment, 
(though without naming him), that im- 
pregnation is performed by means of a fubtle 
aura, and not by the tranfmiflion of the duft 
through the ftyle, alledging againft it thofe 
Z 3 reafon3 
