igoS] 



EDGERTON—ANTHRACNOSES 



379 



Figs. 2>-?>.-Gnomonia venela. 3, Sporonema pustule on petiole of f^Uen sycamo^ 

 kaf; 4, perithecium in sycamore leaf; 5. Myxosporium stage on sycamore t^ 

 6, perithecium in Quercus alba leaf; 7, acervulus from Quercus alha leaf; 8, Quercus 



alba leaf, showing the perithecia, X2.5. . ,^ ,, , , •.;,„„, aln^n^bo- 



Figs. 9, 10 .^Apple, inoculated ^4h the Gloeosporium iColIelotr:chum^^ 

 rmid^^\^ . f.,._ .^.^L .v^^-^^ \.^W^ r.ti<;tules: 10. from raspberry ca 



