120 BOTANICAL GAZETTE [ AUGUST 
Fic. a Colletotrichum “eben teaagg Penz.; section of leaf of. orange 
with pust 
FIG i : Pies viole Stoneman ; section of siected leaf, 
Fic. 86. Same; conidia germinating. 
Fics. 87, 88. Same; stroma in agar. 
Fic. 89. Same; seta enlarged. 
PLATE XV. 
“Fic. 90. Gnomoniopsis cingulata Stoneman ; section of leaf showing 
acervulus. 
Fic. 91. Same; conidia germinating. 
FiG. 92. Same; conidia produced in culture two days old. 
F1G. 93. Same; ascospores germinating. 
Fic. 94. Same; seta and conidia in old cultures from ascospores. 
Fic. 95. Same; stroma produced in cultures. 
Fig. 96. Same ; perithecia grown on bean stems. 
‘F1G. 97. Same; asci. 
PLATE XVI, 
Fic. 98. G. piferata Stoneman; section of fruit showing pustule. 
Fic. 99. Same; perithecia from bean stem culture. 
FIG. 100. Same ; asci. 
Fic. tol. Same; ascospores before and after carninater 
Fic. 102. Same; conidia. : 
Fic. 103. Same; beginning of stroma. 
Fic. 104. Same; conidia from ascospores in agar. 
PLATE XVII. 
Fic. 105. G. rubicola Stoneman; ascospores. 
Fic. 106, Same; ascospores germinating in agar. 
Fic. 107, Same; ascus enlarged. ; 
Fic. 108. Same ; beginning of formation of stroma in which the perithe- 
cia are developed. 
F1G. log. Same; yections of perithecia grown on bean stems. 
PLATE XVIII. 
FIG: 1 Ito. G, ‘Gincta Stoneman ; ‘section of acervulus ¢ on leaf. 
Fic. 111. Same; conidia germinating. 
Fic. 112. Sdme; perithecia found on leaf of orchid in conservatory. 
Fic, 113. Same; perithecia grown on sterilized bean stems. 
Fic. 114. Same; immature ascus, and mature one with ascospores. 
