PART I.—STRUCTURAL. 13 
blance to petals they are called petaloid.) Now take par- 
ticular note of the stamens and carpels, for the Clematis has 
usually two kinds of flowers. Jn the larger and more showy 
kind you will find a very large number of stamens with pink 
Fig. 7. ¢ flower of Clematis indivisa, the pedicel bearing 
two bracts. 
filaments and yellow anthers, but no carpels. In the smaller 
greener forms you will probably find a single ring of stamens, 
while the interior of the flower is occupied with a tuft of silky 
carpels. You have probably only gathered one of these kinds, 
so you should look for the other in order to compare them. 
In the larger form, then, a very large number (co) of stamens 
only are produced ; these stamens in general structure are like 
those of the buttercup, being all separate from one another 
(polyandrous), and they have two-celled adnate anthers open- 
ing by lateral slits and discharging a very large amount of 
pollen. As these flowers have stamens only and no carpels 
