AO BO TD iAIN Y. 247 
CHAP... XXIII. 
Of VARIETIES. 
HE colle@ing of VARIETIES under 
their proper Species, is a Work no 
lefs neceflary than that of collecting the 
feveral Species under their proper Genus. 
We have obferved in the laft Chapter, that 
fuch Differences are only incidental to Ve- 
getables, and are not found conftant and un- 
changeable in them, are to be confidered as 
Varieties only. Thefe Varieties are grounded 
chiefly on the following Circumftances, viz. 
Sex, Magnitude, Time of Flowering, Color, 
Scent, Tajfle, Virtues and Ufes, Duration, 
Multitude, Pubefcence; Leaves, and monftrous 
‘Flowers. Of all which we fha!l treat in 
their Order. 
The SEX of Plants in the Clafs Dzoecia 
affords a Variety of all others the moft na- 
tural; for the male and female Flowers in 
this Clafs being upon different Piants, thefe 
laft are diftinguifhed by the Fru@tification 
though the Species is the fame in both. 
But it muft be obferved, that this kind of 
Variety holds only in the Clafs Divecia; for 
R 4 in 
