FAMILIES OF FLOWERING PLANTS. 49 
with any part of the floral envelope; and it becomes in fruit a few- 
seeded or a many-seeded capsule. Of course there occur exceptions 
to these general characters, as in other large families; thus the star- 
Fic. 43.—Bellflower, Uvularia sessilifolia. 
grass (Aletrzs) has the perianth -partly adnate to the ovary, while in 
some species of Yucca the fruit is not capsular, but fleshy and berry- 
like. Again, although the vast preponderance of genera consist of 
herbaceous plants, some of them are trees of quite imposing height. 
