178 FUNGI OF EAST DORSET. 



Among grass ; edible ; not common. Furze 

 Common Copse. Button Holms (apparently, but 

 specimen rather old). 



Genus 41. PSATHYRA Fr. (Gr., psathuros, friable, falling 

 to pieces). Pileus conical or bell-shaped ; stem 

 hollow, fragile ; like Mycena, but spores dark 

 purple-brown. 



P. corrugis (Pers.) Fr. (Lat., wrinkled, on the 

 pileus). 



In pastures ; not common. E. side of St. 

 Giles' Park. 



Genus 42. BOLBITIUS Fr. (Gr., from a word for cow dung, 

 a frequent habitat). Fragile ; gills dissolving ; 

 spores rust-coloured. 



B. fragilis Fr. (Lat., fragile). 



On dung and among short grass ; rare (not 

 recorded in the N. Forest List). Plantation 

 S.E. of Cranborne. Edmondsham Rectory field. 



Genus 43. COPRINUS Pers. (Gr., kopros, dung, the 

 frequent habitat). Gills dissolving into a black 

 fluid. Spores black. 



C. atramentarius Fr. (Lat., inky ; from its melting into 



a black fluid). 



About old stumps, and on rich soil ; usually in 

 strong clusters ; edible ; not very common. 

 Edmondsham, in three central localities. 

 C. ttmetarius Fr. (Lat,, of the dung-hill, from its 

 habitat). 



Rare ; absent from the N. Forest List ; solitary 

 or clustered. In or near Creech Hill Wood, St. 

 Giles. 



C. micaceus Fr. (Lat., sparkling, glittering, from the 

 minute particles of crystalline oxalate of lime 

 covering the young pileus). 





