Cyathus 



NIDULARIACE^E 



481 



KEY TO THE GENERA. 



Peridiola several. 



Peridiola attached by a funiculus or cord to the wall of 

 the peridium. 



Peridium of three layers, cup-shaped 119 CYATHUS. 



Peridium of two layers, outer thick and felt-like, inner 



thin; cup-shaped 120 CRUCIBULUM. 



Peridiola not attached by a funiculus to the wall of the 

 peridium. Peridium of a single membrane, 



globose 121 NIDULARIA. 



Peridiolum solitary, ejected from the peridium. Peridium 



globose, subglobose or urceolate, sessile 122 SPH^ROBOLUS. 



CXIX. CYATHUS Haller. 

 (From the cup-shape ; Gr. kuathos^ a wine cup.) 



Peridium cup-shaped, composed of three distinct, closely connected 

 layers, apex at first closed with a white membrane or epiphragm, 



Fig. 135. Cy<itfats striatus Hoffin. 



A, group of plants. Natural size. B, section of young and mature plants. X 3. c, peri- 

 diolum ; D, section of ditto. X 10. E, peridiplum with the filiform appendage (6 of fig. D) uncoiled 

 and drawn out of the funiculus. X 3. F, basidia and spores. X 500. i, peridium ; 2, epiphragm ; 

 3, peridiola ; 4, funiculus ; 5, hymenial layer, lining peridiolum ; 6, filiform appendage coiled 

 within the funiculus. 



becoming broadly open. Peridiola compressed, umbilicate, attached 

 to inner wall of peridium by an elastic cord or funiculus. (Fig. 135.) 



2 I 



