EXPLANATION OF PLATES 



Plate 46 



Sarcosphaera coronaria. Several apothecia at different stages of de- 

 velopment, somewhat reduced. Left, portion of an ascus with spores. This 

 colored illustration was drawn by Miss Fleda Griffith from photographs sub- 

 mitted by Miss Elizabeth E. Morse from California, the coloring having been 

 approved by her. 



Plate 47 



Boudiera Walkerae. Center, photograph of several clumps of apothecia 

 on soil, enlarged about four times. Below, one apothecium, much enlarged, 

 showing the surface roughened by the ends of the protruding asci. Left, 

 an ascus with mature spores and a portion of a paraphysis. Right, a paraph- 

 ysis. Above, portion of an ascus showing the operculum. Below, two 

 spores showing younger stages of development. 



Plate 48 



Lamprospora sphagnicolu. Center, photograph of one mature apcjtliecium 

 and several young ones showing habitat. Below, drawing of one immature 

 apothecium, enlarged. Right, drawing of an ascus when immature. Left, 

 mature ascus with spores and paraphyses. Above, three stages in the develop- 

 ment of the spore; also tip of ascus showing operculum. 



Plate 49 



Alenria aurantia. Colored illustration of a clump of apothecia, drawn 

 by Miss Fleda Griffith from material collected in The New York Botanical 

 Garden, about natural size. 



Plate 50 



Humarina Waterstonii. Center, photo of several infected seeds ot Livistoua 

 chifiensis, slightly enlarged, from material collected in Bermuda. Left, an 

 ascus with spores and paraphyses greatly enlarged. Upper right, an ascus 

 which had discharged all of the spores except two, one of which has its nose 

 through the ascostome. Below center, sketch of two apothecia enlarged; 

 also three views of empty asci showing the ascostome and operculum from 

 different angles. 



Plate 51 



Upper figure. Sepultdria aurantia. Photograph of a cluster of apothecia 

 at various stages of development, about natural size, furnished by Dr. Paul F. 

 Shope from material collected by us in Colorado. Left, drawing of a portion of 

 an ascus with spores and the tip of a paraphysis. Right, drawing of one ot the 

 hairs from the outside of an apothecium. 



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