■p 



LESSONS WITH PLANTS 



34S 



and ferns possess spores. Being so small and light, spores 

 float great distances with the wind, and it is thus that the 



Fig. 141. Pretty Seed Pods. 



(" Butterpriiit " weed.) 



germs of disease, of decay, of fermentation, the mosses and 

 lichens, the fungi, and the ferns are so widely scattered. 

 Of greater interest are the devices for seed dispersal. The 



