xvni] 



MOULD-FUNGI 



48s 



(e) Saprolegnia ; colourless tubular threads, forming gela- 

 tinous masses on living and dead animal and vegetable 

 matter in fresh water. The cylindrical or flask-shaped ends 



Fig. 194.— S.\PRnLEGNl.\ of Sal.mo.^ Dise.-vse. 



A sporangium filled nith zoosporus ; in connection witli ihem seveial young 

 mycelial tlireacls. 



of the threads — zoosj^oraiigia — form in their interior numbers 

 of spherical or oval spores —zoospores, possessed of locomo- 



