<5o NATURAL HISTORY BULLETIN. 



imbedded. In some cases, from each sporangium passes a 

 hyphal strand or cord, the funiculus, binding the sporangium 

 back to the peridial wall. 



I. CYATHUS Haller. 



Sporocarp at first obovate or fusiform, closed by a white 

 epiphragm or membrane, then widely open at the top; perid- 

 ium consisting of three layers; conceptacles eight to eighteen, 

 thick-disk-shaped, umbilicate beneath and attached to the walls 

 of the peridium by a compound funiculus. 



Species of Cyathus bear, at the top of the vasiform perid- 

 ium within, a delicate projecting rim or corona (saum) the 

 remains of the membranaceous epiphragm. In Crucibulum this 

 rim is lacking. 



SPECIES OF CYATHUS. 



1. Peridium obconical, striate within. . . . i. C. striatus 

 II. Peridium bell-shaped, smooth 2. C. vernicosus. 



i. Cyathus striatus (Hads.) Hoffm. 



Sporocarp obconical, dark-brown, short stipitate, with a 

 fibrous mycelium; outer peridium persistent, rough, hairy, 

 brown; inner peridium longitudinally plicate, lead-colored or 

 brownish, glabrous; at length opening at the top by the de- 

 tachment of a lid; 8-10 mm. broad at the mouth; conceptacles 

 at first almost circular, with a broad funiculus, at length angu- 

 late, becoming whitish; spores broadly cylindrical, obtuse at 

 both ends. 



Common in the woods on old tree-trunks, moss, between 

 fallen leaves, on nut-shells. An elegant little plant, easily 

 recognized by its brown tubular shape, hirsute, outer perid- 

 ium, white epiphragm and plicate inner surface. Sometimes 

 an inch high. N. A. F. 729. 



2. Cyathus vernicosus (Bull.) DC. 



Sporocarp bell-shaped, with wide-expanded mouth, short 

 stipitate, with a fibrous mycelium; outer peridium silky-hairy, 



