124 
OHIO BIOLOGICAL SURVEY 
EXPLANATION OF PLATE IX. 
Note?: Where no magnifications are given an enlargement of 79 diameters for perithecia, and 450 diame¬ 
ters for hairs, paraphyses, asci, and spores is to be understood. The illustrations were drawn from a 
magnification double that given here and reduced one-half in the process of reproduction. 
1-4. Pleurage hyalopilosa. 1. Young spores in outline. 2, 3. Older spores. 4. 
A mature spore. 
5-8. Pleurage immersa. 5. Perithecium. 6. Ascus showing spore arrangement. 
7. A mature spore. 8. An old spore. 
