216 BRITISH DISCOMYCETES 
Susaenus III.—RuizoropELLa, Cooke. 
Cup fleshy, hemispherical ; externally adpresso- 
tomentose; base rooting by means of coarse black hairs. 
(Plate VII. fig. 40.) a 
The coriaceous texture of the single British species of 
this subgenus suggests its removal to Dermate, near to 
Encolia. 
Name—piZa, a root, rovc, a foot; from the fibrillose 
hase. 
19. Lachnea melastoma. (Sow.) 
Cup substipitate, fleshy, subglobose ; externally brick- 
red, flocculose ; hymenium urceolate, ‘black ; stem short, 
rooting by means of thick, black, strigose filaments ; asci 
cylindrical ; sporidia 8, oblongo-elliptic, smooth, 25 x 9u; 
paraphyses linear, apices subclavate. (Plate VII. fig. 40.) 
Peziza melastoma—Sow., “Fung.” t. 149; Fries, 
“Sys. Myco.,” ii. 80; Weinm., “Hym.,” p. 434; “Eng. 
Flo.,” v. ps,192; Berk., “ Outl.,” p. 867; Cooke, “ Handbk.,” 
2013; “ Grevillea,” iii. fig. 90 ; “ Mycogr.,” fig. 103. Peziza 
atrorufa—Grev., t. 315. Peziza rhizopus—A. and &., 
“Consp.,” p. 317, t. 1, f. 4; Crouan, “Flo. Fin,” p. 51. 
Peziza crenulata—Fckl., “ Bot. Zeit.,” 1861 (cum icone). 
Plectania melastoma—Fckl., “Symb. Myco.,” p. 824, 
Lachnea melastoma—Gill., “Champ.,” p. 66, ¢. i. 
Exs.—Fekl, “F. Rh,” 1214, 1215; Rabh., “Fung. 
Eur.,” 716. 
On rotten sticks, ete. Spring. 
Cup 4 to ¢ of an inch broad. This species varies 
greatly as to degree of pubescence, being sometimes almost 
naked, sometimes beset with down, or even bristly hairs ; 
the base, however, is always furnished with long, black, 
rooting, strigose filaments (“ Eng. Flo.”), 
Name—xnéndae, black, oréua, a mouth. 
Hexam (Mr. Francis Scott). Auchindenny Wood, 
N.B. (Dr. Bainbridge). Bristol (Mr. C. E. Broome). 
Sussex (Mr. C. H. Spencer Perceval). Plas Newydd, 
North Wales (Rev. M. J. Berkeley), Bishop’s Wood, 
