80 BOTANY FOR YOUNG PEOPLE. 



And our silvery keels sweet odors fling, 

 As they sweep the morning dews. 



The treasures of gardens and cultured plains 



We bear on our gallant prows, 

 Feast for the flocks, and the shepherd's swains, 



And plumes for regal brows. 



Come taste our sweets, come wreathe our flowers, 

 While the sunbeams gild our sails, 



For we fold them whenever the dark cloud lowers, 

 And tempt not the stormy gales. 



E. The Class Polyadelphia is the last of the 

 brotherhoods it comprehends all those flowers 

 whose stamens are united by their filaments 

 into more than two sets. It is a class of veiy 

 little importance and now fallen into disuse, its 

 flowers being distributed among the other classes. 

 Do you remember what the other class was 

 that botanists treated in the same manner ? 



L. Dodecandria, or from eleven to twenty 

 stamens, placing them in Polyandria and Icos- 

 andria. All whose stamens were inserted on 

 the calyx in the latter, and in the former, those 

 whose stamens were inserted on the receptacle. 



E. As the characters of this class were very 

 inconstant, they thought best to add it to Poly- 

 andria. As I before mentioned, its orders de- 

 pend on the number of stamens. The Choco- 



