MOLLISIA. 191 



KEY TO THE SPECIES 



Hymenium roseate : on pine leaves . . . . . . incarnata. 



Hymenium cinereous-white: on Epilobium and 



Smyrnium . . . . . . . . . . . . dilutella. 



Hymenium whitish : on rabbit's dung . . . . albula. 



Hymenium white : on Lastrea . . . . . . filicum. 



Hymenium bright yellow : on Fteris . . . . flaveola. 



A. SPORIDIA ELLIPTIC. 



33. Mottisia filicum. Phil. 



Gregarious, minute, at first globose, then cupulate, at 

 length expanded, white, glabrous ; asci clavate- cylin- 

 drical; sporidia 8, oblong-elliptic, straight or curved, 2 

 to 3-guttulate, becoming 1 to 2-pseudo-septate, 8- 

 12 x 3fj, ; paraphyses extremely slender. 



Peziza (Mottisia) filicum Phil., " Grevillea," xiii. p. 



74. 



On dead stems of Lastrea Filix-mas. 



Cup 100 to 300^u broad. 



This differs from Peziza Aspidiicola (B. and Br.) in 

 the perfectly glabrous exterior of the cup, and the much 

 larger and guttulate sporidia. 



Name Filix, a fern. 



Shobden, Herefordshire ! 



B. SPORIDIA LINEAR OR SUBFTJSIFORM. 



34. Mottisia incarnata. (Cooke ) 



Scattered, minute, roseate, sessile, cups soon ex- 

 panded, nearly plane, externally paler ; asci cylindrical ; 

 sporidia 8, linear, obtuse, hyaline, 10 x 1'o^u. 



Peziza (Mottisia) incarnata Cooke, " Grevillea," i. 

 p. 131. 



On pine-leaves. 



Name Caro, carnis, flesh ; flesh-coloured. 



Scotland (A. Jerdon). 



35. Mottisia dilutella. (Fries.) 



Gregarious, sessile, waxy soft, glabrous, at first hemi- 

 spherical, then expanded, cinereous- white ; margin entire, 



