NITROGEN-CONSUMING PLANTS 



2 3 I 



Insect Powders. Insect powder is made from the finely ground flower 

 heads of Chrysanthemum pyrethrum. Dalmatian insect powder comes 

 from Chrysanthemum ^inerariafolium and Persian from C. roseum. 



PIG. 98. Cauliflower (Brassica oleracea botrytis). A, entire plant; B, portion of "head. 



(Robbins.) 



FRUIT CROPS 

 Temperate Lands 



Apple (Pyrus malus). The apple is cultivated extensively in a great 

 many varieties in America, Asia and Europe. 



Pear (Pyrus communis}.- The common pear is probably a native of 

 southern Europe and Asia with a fruit usually tapering to the base and a 

 flesh with grit cells. 



