1920.] 



Cross-Fertilisaiion in Potatoes. 



141 



1 . A Cyme with open Flowers and Buds. 



2. (a) Pistil and Ovary ; (b) Antkeis from inner side — sho\\-ing faint line 



of dehiscence in either Lobe ; (c) Anther from the outer side, all 

 enlarged. 



3. Potato fruits ; the upper one shown in section exhibits the seed. 



4. A suitable pair of forceps. 



