312 OUTLINES OF 15RITISH FUNGOLOGY. 



at length bursting at the apex, and closed by a white mem- 

 brane. Sporangia plane, umbilicate, attached to the walls by 

 an elastic cord. 



1. striatus, lloffm.; obconic, truncate above and below, extenially fer- 



ruginous, hairy, mthin lead-coloured, smooth, striate. (Plate 2, 

 fig. 3.) On sticks, fir-cones, etc. Not uncommon. 



2. vernicosus, DC. ; bell-shaped, naiTow at the base, nearly sessile, 



quite even, externally ochraccous or cinereous, minutely downy, at 

 length smooth, within lead-coloured or brown. (Plate 21, fig. 1.) 

 On the ground, especially in stubble-fields. Common. 



92. CRUCIBULUM, TuL 



Pcridium consisting of a uniform, spongy, fibrous felt, 

 closed by a flat furfuraceous cover of the same colour. Spo- 

 rangia plane, attached by a long cord, springing from a little 

 nipple-like tubercle. 

 1. vulgare, Tul. (Plate 2, fig. 1.) On fern, sticks, etc. Not uncommon. 



93. SPH^ROBOLUS. Tode. 



Peridium double ; the inner at length inverted elastically, 

 and ejecting a solitary subglobose sporangium. 

 1. stellatus, Tode ; globose, pale yellow; mouth regular, stcUato-den- 

 tate. (Plate 21, fig. 2.) On sawdust, twigs, etc. Not uncommon. 



91. POLYANGIUM, Lk. 



Peridium subhemisphcrical, hyaline. Sporangia large in 

 proportion, grumous Avithin. 



1. vitellinum, Ditm . I.e. I. 27. On fallen trunks. Veiy rare. King's 

 Cliffe. 



Atractoholus iihhpntarivs is simply the eggs of some IVii- 

 pifjnathvn ; Myriococcina and Thclcholiis Mcrc introduced into 



