262 The North American Cup-Fungi 



Near the center, drawing of a portion of an ascus with spores. Lower left- 

 hand corner, one spore isolated. Photograph by Dr. W. H. Long. 



Pl.\te 23 (p. 202) 



Paxina Acetabulum. LTpper figure, photograph of an isolated apothecium, 

 showing the vein-like markings on the outside of the cup. Also drawing of 

 an ascus with spores and the tip of a paraphysis. Lower figure, two apothecia 

 showing habitat. Lower figure from photograph by Dr. F. E. Clements. 



Pl.\te 24 (p. 204) 



Upper figure (1). Paxina hispida. Photograph of several apothecia, 

 showing long stems. Left, drawing of an ascus with spores and a paraphysis 

 with its enlarged tip. Right, two spores isolated. 



Lower figure (2). Paxina sulcata. Photograph of apothecium, show- 

 ing thick, corrugated stem. Lower right-hand corner, drawing of an ascus 

 with spores and the tip of a paraphysis. Left, two spores isolated. 



Plate 25 (p. 210) 



Upper FIGURE (1). Paxina fusicarpa. Photograph of a cluster of apo- 

 thecia, showing habitat on the ground. Left, drawing of a portion of an 

 ascus with spores and the tip of a paraphysis. Right, drawing of a hair from 

 outside of apothecium; also one spore isolated. 



Lower figure (2). Paxina semitosta. Photograph of a cluster of apo- 

 thecia, showing comparatively large cups with short, thick, furrowed stems. 

 Right, drawing of a portion of an ascus with spores; also the tip of a paraphysis. 

 Left, drawings of portions of hairs from outside of cups. 



Plate 26 (p. 212) 



Upper figure (1). Geopyxis cupularis. Photograph of several apo- 

 thecia. Photograph by W. R. Fisher. Left, drawing of ascus with spores; 

 also tip of paraphysis. 



Lower figure (2). Peziza domiciliana. Photograph of several apo- 

 thecia in different stages of development, showing the short,- stem-like base 

 in young specimens. Left, drawing of a portion of an ascus with spores; 

 also tip of a paraphysis. 



Plate 27 (p. 216) 



Rhizina inflata. Upper figure, photograph of a section through one of the 

 apothecia, showing expanded hymenium and root-like attachment. Lower 

 figure, vertical views of apothecia. Photographs by Dr. J. R. Weir. Left, 

 drawing of a portion of an ascus with spores; also tips of paraphyses. Center, 

 drawing of one of hairs from hymenium. Right, two spores, showing apicu- 

 late ends. 



Plate 28 (p. 218) 



Upper figure (1). Disci na convoliita. Photograph of type specimen, 

 showing two apothecia with their convoluted hymenia. Right, drawing of a 



