138 



BOTANY. 



general mode of reproduction in the order. It presents 

 much variation in the different genera and species. The 

 resting spores of the Water-moulds possess, when mature, 



Fig. 64. — Showing reproduction in Water-moulds. 1, S, 3, 4, asexual reproduc- 

 tion; 5 to 10, sexual reproduction. 6 to 9 show development of oOgones and an- 

 tberids. Higlily magnified. 



