302 FUNGUS-FLOEA. 



Lachnea, Phil., Brit. Disc, p. 216. 



The densely fibrous black hypbae at the base of the as- 

 cophore is the most pronoimced feature of tbe present 

 genus. Tapesia differs in having the mycelium-subiculum 

 effused over the matrix and not localised at the base of the 

 ascophore. 



Pleetania melastoma. Fokl., Symb. Myc, p. 324. 

 (fig. 40, p. 290.) 



, Ascophore 2-3 cm. across, cup-shaped, disc black, exter- 

 nally tomentose, brown becoming brick-red towards the 

 margin ; stem very short, rooting by no means of a dense 

 mass of coarse black filaments; asci cylindrical, spores 8, 

 uniseriate, elliptio-oblong, smooth, hyaline, 21-25 X 9 /*; 

 paraphyses very numerous, filiform, very slightly thickened 

 upwards. 



Peziza melastoma, Sowerby, Brit. Fung., t. 149. 



Lachnea melastoma, Phil., Brit. Disc, p. 216, pi. vii. 

 fig. 40. 



Peziza atrorufa, G-rev., Soot. Cr. Fl., t. 315. 



On rotten sticks, partly buried trunks, &c. 



The external tomentum varies from mere pubescence to 

 bristly hairs in different specimens. Strigose root hairs 

 composed of blackish, septate hyphae 4-6 /j, thick. Very 

 cartilaginous when dry. 



Sowerby's specimen figured on pi. 149, Brit. Fung., 

 examined. 



EEINELLA. Quel, (emended). 



Ascophore sessile or narrowed into a short stem-like base, 

 closed at first, then more or less expanded ; externally pilose, 

 hairs everywhere alike in structure, thin-walled, septate, 

 cylindrical, obtuse, minutely rough; asci cylindrio-clavate, 

 8-spored; spores hyaline, elongated and narrow, 3-many- 

 septate ; paraphyses lanceolate. 



.Erinella,, Quelet, Bnchirid., p. 301 ; Sacc, Syll., viii., p, 507 ; 

 Eehm, Krypt.-Fldra, Disc, p. 910 (all in part). 



Peziza, of old authors. 



As defined above, the present genus differs from EcUnella 



