MOLUSIA. 



171 



20S. Helotium sclerotioidea—Berk., "Outl," 371 ; Cooke, 

 " Handbk./' L>123. 



On decayed wood. 



At first sight resembling Sclerotium quercigenum ; 

 about 1 line broad (M. J. Berkeley). 



The only specimen under this name I have seen is in 

 the Kew Herbarium, and it has no fruit. 



Appin (Carmichael). Near Lristol (Mr. A. Leipner). 



Genus VII. — Mollisia. Fries. 



Minute, sessile, urceolate, cupulate or plane ; sub- 

 stance soft, rarely waxy ; exterior glabrous or furfura- 

 ceous, even or plicate ; sporidia 8, minute, globose, elliptic, 

 fusiform or filiform, hyaline, simple or 1 -septate. (Plate 

 VI. figs. 32-36.) 



Growing on vegetable substances. 



For the most part darker in colour and softer than 

 Helotium; the minute pore by which the cup opens 

 visible from the first. Never hairy or even tomentose. 



Name — Mollis, soft. 



Arrangement of Subgenera. 



I. Niptera 



II. Pyrenopeziza 

 III. Dilutella 

 IT. Mollisiella 



V. Hysteropeziza 

 VI. Pseudopeziza 

 VII. Ptristomealis 





Key to the Subgenera. 



Margin furnished with a peristome 



Margin not furnished with a peristome 



Emerging when moist through a narrow black 



slit 



* iiL •• .. .. .. .. .. .. 



1. ^Emerging when moist through the epidermis by a 

 lacerated aperture (resembling Phacidium) 

 l,Seated on the epidermis 



I' Texture rather nrrn ; cups plane 

 Texture soft ; cups globose (mostly black). . 

 Texture soft, scarcely coloured, at length expanded 



.. (Glabrous 



'" \Minutely granulated .. .. .. .. 



1-11 

 12-32 



;-;h-37 



38-4t> 

 47 



48-51 

 52 



Peristomealis. 

 1 



Hysteropeziza. 



Pseudopeziza. 



2 



Niptera. 



Pyrenopeziza. 



3 



Dilutella. 



Mollidella. 



