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TEXT-BOOK OF FUNGI 



Many genera are considered to be conidial conditions of 

 Sphaeriaceous fungi ; but in the great majority of instances 



FIG. izb.Gloeosporium nervisequum, a destructive parasite on leaves 

 of various species of Platanus. i, leaf of a plane-tree attacked by the 

 lungus, which follows the principal veins of the leaf; 2, conidia Fig i 

 reduced ; fig. 2, mag. 



the only evidence forthcoming is the constant sequence 

 of development of such conidial and ascigerous forms. 





