42 



tween the stamens and ovary. When the insect visits a 

 flower it thrusts its head into one of the angles and in doing 

 so comes in contact (vith the stamens which are sensitive, 

 they come forward and shed their pollen on the insect. It 

 now leaves the flower and as Hermann Mueller says, "Thrusts 

 its head or proboscis into the flower in 

 nKl / ^) as many different ways as the different 

 Y I / I Ir positions of the flower require; now 



I \ V. ^ / under the stigma, now over it, now to 



\ mfl / j{jg right, now to the left. Its head 



Figr. 20. Flower of common bnrberry (Berberts vulgaris). 1, flower seen 

 above; a, andsepale; h\ inner petals: c, nectaries; d, filaments; e, stigrma; 3. 

 position of the stamen after springing upward ; 3, petal with the two thick, 

 fleshy orange nectaries; 4-7, stamen in different stagree of dehiscence. (After 

 Hermann Mueller.) 



must soon he dusted all round with pollen and it must fer- 

 tilize every succeeding flower that it visits." 



Members of this order are among the 

 prettiest of our early flowers. Dic&itra 

 spectabilis D O, Bleeding Heart, is commonly cultivated. 

 The purple colored flowers are heart-shaped pendulous, and 

 contain the honey in the two pouches at the base of the 



Fumarlaceae. 



