64 
OHIO BIOLOGICAL SURVEY 
EXPLANATION OF PLATE VIII. 
Oligonema nitens (Lib.) Rost. 
Fig. 1. A group of sporangia. X 16. • 
Fig. la. An elater. X 400. 
Fig. lb. A spore. X 800. 
Calonema aureum Morgan. 
Fig. 2. A portion of the sporangium wall. X 400. 
Fig. 2a. A portion of the capillitium. X 400. 
Fig. 2b. A spore. X 800. 
Perichaena depressa Lib. 
Fig. 3. A group of sporangia. X 20. 
Fig. 3a. A capillitium thread. X 400. 
Fig. 3b. A spore. X 800. 
Ophiotheca chrysosperma Currey. 
Fig. 4. A plasmodiocarp. X 20. 
Fig. 4a. A portion of the capillitium. X 400. 
Fig. 4b. A spore. X 800. 
