PLATE 86 
Choanephora cucurbitarum; 
A. —Gametes prior to fusion. Gametes and suspensors are plurinucleate. X900. 
B. —Young zygospores whose exospore has not yet developed and whose contents 
are a dense mixture of granular protoplasm and small oil droplets. The origin from 
two mycelial branches is also shown. X320. 
C. —Lateral view of a young zygospore in the same stage of development as figure 
B. X320. 
D. —Ccenocytic mycelium. X900. 
E. —Mature zygospore with a well-developed exospore and a large oil globule. X 2 7 5 • 
