270 ESSAYS ann OBSERVATIONS 
but. increafed, and came to maturity, quite full 
of feeds. See alfo Gardener’s di€tionary, ar- 
ticle generation, near the end. 
48. Trus I think IT have faffichedeby\ an- 
{wered all the arguments for the fexes of 
plants, taken either from the ftru€ture of 
flowers, or experiments of any confequence 
that I could meet with. But fince no fmall 
ftrefs feems {till to be laid on the analogy be- 
tween plants and animals, as much favouring 
this doétrine ; I muft beg leave, alittle to con- 
fider it alfo, altho’ it is certainly true, to ufe 
Mr Needbam’s words (1), that the method 
of reafoning by analogy, is but too apt to lead 
us into miftakes ; and therefore we ought to 
be very diffident of confequences deduced this 
way: for mere analogy, founded on fa¢ts, 
and extended by conjecture, however plau- 
fible, can, at moft, but furnifh motives for a 
reafonable doubt, and further inquiry. 
59. * OMNE vivum ex ovo; per confe- 
“* quens etiam vegetabilia: ovum, non foe- 
“a cundatum germinare, negat omnis experi- 
“entia ; adeoque et ova vegetabilium,” Lzn- 
naeus (m). I fhall not here enquire, whether ei- 
ther of thefe propofitions are certainly true ; 
but 
(/) Phil. Tranf. No. 490. 
(#) Fund. bot. § 132—150. 
