134 Gardening 
Tw a for example, the flowers 
mi *;  \ | are so constructed that — 
“ Ts .,| self-pollination is very 
a A general; so there is lit- 
4 tle chance for crossing, 
and any seed collected 
is likely to be of single 
parentage. 
Collection of seed. 
The best methods of 
collecting seeds depend 
chiefly on the nature of 
the fruit and how the 
seeds are shed from it. 
In all cases the aim is 
to secure fully ripened 
seeds and to collect them 
before they are shed 
y | broadcast. 
Siaies Relations Serict The fleshy fruits of 
Fic. 81. A tomato plant marked for seed. i 
the pumpkin, squash, 
cucumber, and tomato, selected from plants of good. 
quality, should be allowed to ripen fully. They may 
then be cut open and the seed removed, washed, and 
spread out on paper or cloth to dry. 
The best radish plants should be pulled when the 
majority of the pods are fully ripe. The best bean 
plants should be pulled when the pods are about to shed 
their seeds. In both cases, the whole plant should 
then be laid in a dry place for a while before the 
seeds are removed. 
