176 



THE REPRODUCTIVE ORGANS 



short-tongued insects : the chief visitors are bees, lepi- 

 doptera, and long-tongued flies. The flowers of the Heaths 

 hang downwards, so that the honey is protected from 

 the rain. 



Different kinds of flowers in the same species. In the 

 Primrose (Fig. 121,1) and Cowslip (Fig. 121,2) the five united 



Fig. 121. i, The Primrose; 2, Cowslip; 3, long-styled form ; 

 4, short-styled form ; br, bracts. 



petals form a long, narrow tube surrounded by an inflated 

 calyx of five united sepals. If a number of flowers are 

 examined, two kinds will be found : one with the knob-like 

 stigma at the mouth of the tube and the anthers half-way 

 down (Fig. 121, 3), and the other with the five stamens at the 

 mouth of the tube and the stigma half-way down (Fig. 121, 4) . 



