218 



Fruits and Seeds. 



VII. 



I. I have already mentioned several cases in which 

 plants produce two kinds of seeds, or at least of 

 pods, the one being adapted to burying itself in 

 the ground. There is, in addition, a North African 

 species of Corydalis which produces two kinds of 

 seeds (fig. 86), one somewhat flattened, short and 



NatfSize 



Fig. 86. Seeds of CORYDALIS. 



broad, with rounded angles ; the other elongated, 

 and hooked. In this case the hook in the latter 

 form perhaps serves for dispersion. 



2. Our common Lesser Hawkbit (fig. 76, b} also 

 possesses, besides the fruits with the well-known 

 feathery crown, others which are destitute of such 



