48 FAMILIES OF FLOWERING PLANTS. 
yellow flowers. In our gardens the fall crocus (Colchicum) is well 
known for its peculiar habit of blooming without leaves in the fall. 
The bog asphodel (Adama Americana) is a not uncommon plant in the 
New Jersey pine barrens. 
Fic. 42.—Croomia. 
Family Liliaceae. Lily Family. This group contains considera- 
bly over 100 genera and about 1300 species. The plants are chiefly 
herbs, growing from bulbs or corms, with leaves varying greatly in 
size and shape. The flowers are distinguished by having a conspicuous 
colored perianth, the divisions of which are either quite free from 
each other, as in the lily or tulip, or united below into a tube, as in 
hyacinth. The ovary is almost invariably free, that is, not coherent 
