( 6i ) 
taclied to the receptacle. The clafs Didy- 
namia, two-powers, or the fourteenth clafs, 
is diftinguilhed by the flowers which are con- 
tained in it having four ftamens, two of them 
being longer than the other two ; hence it is 
called the clafs of two powers. The grinning 
and gaping flowers belong to this clafs. There 
are, however, tw T o fuch diftincl; natural aflem- 
blages of plants contained in it, that it would 
have been difficult to have brought them to- 
gether from their affinity in any one circum- 
ftance, but that under which Linneus has ar- 
ranged them, viz. the curious pofition of their 
ftamens. This clafs contains two orders, 
which are ftrongly marked ; the fir ft gymno- 
fpermia, or that in which the flowers have 
their feeds naked, beins; contained in the 
bottom of the calyx ; and the fecond order, 
angiofpermia, having the feeds covered or 
contained in a pericarp. The whole appear- 
ance of the flowers belonging to thefe two 
orders is perfectly different: what can be more 
fo than the fox-glove (digitalis), and lavender 
(lavandula), or thyme (thymus) ? Yet the 
crofs-form growth of the anthers, with the 
unequal pofition of the ftamens, may be found 
in them all. The next clafs, Tetradynamia, 
four- 
