FAMILIES OF FLOWERING PLANTS. 



49 



wilh any part of the tioral 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- 



FiG. 43.— Bellflower. UiiUaria sessilifolia. 



grass {Aletris) has the perianth partly adnate to the ovar}', while in 

 some'species of Yucca the fruit is not capsular, but tleshy and ))erry- 

 like. Again, although the vast preponderance of genera consist of 

 herbaceous plants, some of them are trees of quite imposing height. 



