CRUCIBULUM — NIDULARIA. 25 



Crucibulum vulgare. Tul. (fig. 5, p. 20, and fig. 8, 



V--^-) . . . . 



Peridiiim thick, greyish-buff, smooth and shining inside, 



minutely tomentose outside ; peridiola circular, biconvex, 



pale, 1 • 5-2 m.m. across ; spores elliptic-oblong, smooth, 



colourless, 10 x 5-6 jx. 



Crucibulum vulgare, Berk., Outl., p. 312, pi. 2, f. 1 ; Cke., 

 Hdbk., n. 1200 ; Mass., Mon. Gast., p. 5G, f. 52. 



On wood, twigs, &c. Becoming bell-shaped and broadly 

 open, about ^ in. across. Gregarious or crowded. 



NIDULAEIA. Tul. (fig. 6, p. 28.) 



Peridium consisting of a single membrane ; peridiola 

 numerous, not attached by a funiculus to the peridium, 

 involved in mucus. 



Nidularia, Tul., Mon. Kid,, Ann. Sci. Nat., ser. 3, vol. i. 

 p. 100 ; Mass., Mon. Gast., p. 57. 



Eeadily distinguished amongst its allies by the free 

 peridiola. 



Nidularia pisiformis. Tul. (fig. 6, p. 28.) 

 Sessile, not rooting, dirty buif, more or less hairy, tuber- 

 culose above, splitting irregularly ; peridiola subrotund, 

 biconvex, brown, smooth, shining ; spores colourless, typi- 

 cally broadly obovate, sometimes subglobose or elliptical, 

 7-8 X 8-9 fx. 



Nidularia pisiformis, Cke., Hdbk., n. 1201 ; Mass., Mon. 

 Gasr., p. 58, f. 37. 



On the ground, wood, leaves, &c. Sessile, springing from 

 a broad base, more or less flattened above, about \ in. across. 

 Peridiola wrinkled when dry. Solitary or gregarious. 



Nidularia Berkeleyi. Mass. 



Subglobose, l)ecoming brondly open, peridium thick, exter- 

 nally cinnamon, hairy, inside velvety, cinnamon ; peridiola 

 numerous (40-50), circular in outline, biconvex, brown, 

 shining, about 2 mm. across ; spores elliptical, smooth, 

 becoming pale brownish-olive, 9-10 x 5-G /x. 



Nidularia Berkeleyi, Muss., Mon. Gast., ]). 59, f. 38. 



On wood and twigs. Peridium about \ in. broad and 

 high, without a trace of cord-like rooting mycelium. Solitary 



