PLATE 9. 



Perisporieae. 



Fig. 1. Saccardia Martini, Ell. & Sacc. natural size, on leaf of 

 Quercus laurifolia. 



" 2. Part of a leaf with a perithecium somewhat enlarged. 



" 3. Perithecium enlarged with appendages and mycelium. 



" 4. Two asci. 



" 5. Six sporidia. 



" 6. Myriococcum Everhartii, S. & E., on rotten wood. 



7. A group of perithecia enlarged. 



8. A perithecium highly magnified. 



" 9. A perithecium with the outer wall partly removed, show- 

 ing the arrangement of the interior cells. 



" 10. Eight variously shaped cells. 



" 11. A few of the superficial hairs that cover the perithecia. 



Note. — The figures on this plate not drawn to any scale. 



