400 



BOTANICAL GAZETTE 



(NOVEMBER 



black, mostly epiphyllous, rarely hypophyllous. Ostiole irregular 

 in shape. Asci cylindrical, 90-112 X 10-14 ju, thick-walled. Para- 







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w* 



v. 





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I 



r 





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1 









2 



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T^M 



.... 



3*L 





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3 





4 



Figs. 1-4. — Fig. 1, Anthostomella rhizomorphae, showing black clypei in pale 

 spots; fig. 2, Linospora trichostigmae: black perithecia in small, blanched, dead areas; 

 fig. 3, Trabutia portoricensis: numerous clustered perithecia in poorly defined spots; 

 fig. 4, Trabuticlla cardiac: perithecia arranged in circles in dead spots. 





physes few, fine, threadlike. Spores linear, filiform, several, sep- 

 tate, pale yellow. Conidia i-celled, hyaline, pointed at each end, 

 very variable in size, mostly 21-24X7 m> but often 48 ju long, 



