66 SOURCES OF NECTAR 
ant on rich lands along streams, and sometimes on uplands in the 
Mississippi Valley and eastward. They grow from four to eight 
feet tall, with numerous yellow flowers, so that where plentiful 
they furnish considerable pasturage for the bees, which visit 
them freely. 
Crownbeard.—There are several species of crownbeard, some 
a 
Fic. 32,—The yellow crownbeard is much sought 
by the bees. 
of which have white blossoms. Fig. 32 shows the common yellow- 
flowered variety which grows in open woodlands in the Middle 
West. The bees seek it very eagerly and a great humming may 
be heard about this plant when the bloom is at its height. The 
range of the different species of crownbeard (Verbesina), is 
from Pennsylvania to the Missouri River and south to Texas. 
