446 DESCRIPTION OF PLATES. 
size; 6, four receptacles magnified; ¢, sections of the same; d, an ascus 
with paraphyses; e, two sporidia. dand e x 400 times. 
Fig. 78.—a, Stegia Ilicts, on a portion of a holly-leaf, nat. size; ba 
receptacle magnified, showing the upper half of the perithecium splitting 
and becoming. detached and exposing the hymenium; z, an ascus; 
d, five sporidia. e¢ and d x 400 times, 
Fig. 79.—a, Ascomyces Potentille, on a portion of a branch of the 
host plant, which it has much enlarged; b, 6, a portion of the cellular 
tissue of the host plant, showing the mycelium. of the <Ascomyces 
ramifying between the cells of the epidermis and throwing up asci 
c, c, through the cuticle; 7, sporidia, 0, b, c, c, and f x 400 times. 
