AMERICAN HONEY PLANTS 119 



In general, they may be regarded as similar to the tree fruits in quality 

 and quantity of nectar. Five species are known to occur in Ontario, where 

 they are regarded as important honey plants. 



Fig. TO. The hazelnut is the source of some pollen. 



HAZELNUT (Corylus americana). 



The hazelnut is a slender growing shrub common in the borders of 

 woodlands of the most of the temperate North America. It yields some 

 pollen and is valuable where there is a scarcity of early pollen-bearing 

 plants. The figure shows the male blossoms, which are more conspicuous 

 than the fertile ones. 



HEARTSEASE (Polygonum). 



We now come to another large family with a variety of names. In 

 some localities one name will apply, while in another the plant will be 

 known by an entirely different one. Smartweed, knotweed, doorweed, 

 persicaria, lady's thumb, water pepper, heartsease and several other names 

 are applied to these plants. They are widely distributed, covering practi- 

 cally all of the United States and Canada, as well as much of Europe and 



