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. 



Crownheard. — There are several species of crownbeard, some 



Fia. 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 IMiddle 

 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 tlie different species of crownbeard (Verbesitm), is 

 from Pennsylvania to the Missouri Kiver and south to Texas. 



