34 



BRITISH DISCOMYCETES. 



Coed Coch, Aberystwith, North Wales ; Fern, N.B. 

 (Rev. M. J. Berkeley). Pastures near Ludlow ! Moccas 

 Park, Herefordshire ! Bristol (Mr. 0. E. Broome). Holm 

 Lacy, Herefordshire (Dr. M. C. Cooke). 



Genus IX. — Geoglossum. Pers. 



Receptacle clavate, cyclindrical or compressed, black, 

 produced downwards into a distinct stem ; hymenium 

 concrete with and covering the incrassated upper por- 

 tion ; asci cyclindrical or clavate ; sporidia 8, coloured 

 or hyaline. (Plate II. fig. 9.) 



Name — yfy, the earth, yXwo-o-a, a tongue ; earth-tongue. 



Arrangement of the Species. 



a. Sporidia brown 



b. Sporidia hyaline 



species 1-5 

 6-7 



»> 



Key to the Species. 



1. 



3. 



Hymenium hairy 

 Hymenium glabrous 

 Sporidia brown, 7-septate 

 Sporidia brown, 3-septate 

 Sporidia hyaline . . 

 (Paraphyses linear 

 (Paraphyses moniliform 

 J Paraphyses pyriform 

 (Paraphyses globose 

 j Flesh tremellose 

 (Flesh not tremellose 



hirsutum, 



1 



2 



3 



4 



difforme. 



glabrum. 



glutinosum. 



viscosum. 



tremellosum. 



microsporutn. 



A. SPORIDIA BROWN. 



1. Geoglossum hirsutum. Pers. 



Hirsute, black ; club often elongated, compressed, or 

 nearly round, capitate, plicate ; asci cylindraceo-clavate ; 

 sporidia 8, fasciculate, linear, slightly curved, 15-septate, 

 brown, 150 x Q/ul ; paraphyses septate, slightly enlarged 

 at the curved or circinate apices. (Plate II. fig. 9.) 



Geoglossum hirsutum — Pers., " Comm." p. 37 ; " Syn. 

 Fung," p. 608; Fries, " Sys. Myco," i. 488; Weinm, 

 "Hym," 496; Nees, " Sys," t. 17, f. 157; Purt, "Midi. 

 Flo.," vols. ii. and iii. No. 1059; Grev, "Sc. Crypt. Flo," 



