376 The North American Cup-Fungi 



Plate 91 (P. 76) 



Sclerotinia Caricis-ampullaceae. Upper figure, left, part of the type speci- 

 men in Carex inflata from Finland. Center, clump of apothecia attached to a 

 sclerotium, part of which is broken off, from specimen collected by Dr. C. L. 

 Porter in Medicine Bow Mt. Swamp, Wyoming. Right, apothecia on sclero- 

 tium attached to leaves of Carex aquatilis, from Sweden. Lower figure, apo- 

 thecia in natural setting in Medicine Bow Mountains. Photographed by Dr. 

 C. L. Porter, one-half natural size. F~rom H. H. Whetzel. 



Plate 92 (P. 78) 



Sclerotinia Duriaeana. Upper left-hand corner, photographs of host with 

 several sclerotia. Upper right-hand corner, drawings of ascus with spores and 

 paraphysis. Below, photographs of apothecia, about natural size. Photo- 

 graphs furnished by H. H. Whetzel. 



Plate 93 (P. 84) 



Cihoria amentacea. Photograph of alder catkins bearing apothecia, about 

 natural size. At the left, drawing of an ascus with spores and paraphysis. 

 Below, drawing of one apothecium, much enlarged. Above, portion of ascus 

 showing pore and three spores isolated. Photographed from material collected 

 in Oregon by J. R. Keinholz in 1932. 



Plate 94 (P. 86) 



Upper figure (1). Ciboria pseudotuberosa. Photograph of apothecia on 

 old acorns, with drawing of an ascus with spores and paraphyses. 



Lower figure (2). Ciboria Caucus. Several apothecia on catkins of 

 Salix, collected in Hood River region, Oregon by J. R. Keinholz. 



Plate 95 (P. 88) 

 Ciboria carunculoides. Upper figure, stromatized fruits of mulberry, 

 Morus, the sclerotial stage. Below, photographs of apothecia arising from 

 sclerotia, about natural size. From H. H. Whetzel and F. A. Wolf. 



Plate 96 (P. 90) 



Sclerotinia Smilacinae. Photographs of two clumps of apothecia, about 

 natural size. Photographs furnished by H. H. Whetzel. Above, drawing of 

 an ascus with spores and paraphyses. 



Pl.\te 97 (P. 92) 



Midotis Westii. Center, photograph of several clumps of apothecia, about 

 twice natural size. Above, drawing of an apothecium, several times enlarged 

 with ascus and spores. Below, several apothecia in different stages of develop- 

 ment. 



Plate 98 (P. 96) 



Podophacidium xanthomelum. Center, photograph of apothecia showing 

 habitat, somewhat enlarged. Left, ascus with spores and tip of paraphysis. 

 Right, portion of empty ascus. Above, three spores. Below, drawing of two 

 apothecia much enlarged. Photographed from material collected at the 

 Mycological Foray in Quebec during the summer of 1938. 



