24* FUNGI. 



ceous, bursting irregularly, externally naked. Columella none, 

 p. 314. (sp. 6.) 



88. Craterium. Peridium simple, papyraceous, closed by a 

 deciduous operculum. Columella none. p. 316. (sp. 5.) 



89. Stemonitis. Peridium membranaceous, exceedingly 

 fugacious. Capillitium reticulated, growing on the penetrating 

 stem. p. 317. (sp. 4.) 



90. DiCTYDiUM. Peridium very delicate, persistent. Capil- 

 litimn innate, forming vein-like reticulations, p. 317. (sp. 1.) 



91. Cribraria. Peridium membranaceous, the upper part 

 falling oflF. Capillitium innate, at length forming a net-work 

 above, p. 318. (sp. 1.) 



92. Arcyria. Peridium splitting all round at the base, the 

 upper part very fugacious. Capillitium dense, interwoven, elastic, 

 p. 318. (sp. 4.) 



93. Trichia. Peridium simple, persistent, bursting irregu- 

 larly. Capillitium densely interwoven, elastic, p. 319. (sp. 8.) 



94. PERiCHiENA. Peridium persistent, splitting all round, 

 rarely torn. Flocci few, free, elastic, p. 321. (sp. 3.) 



95. LiCiEA. Peridium subpersistent, bursting variously. 

 Flocci none. p. 321. (sp. 2.) 



Tribe IV. Trichodermacei. Peridium composed of loosely 

 interwoven Jlocci, rarely memhratiaceous, evayiescent in the centre. 

 Sporidia conglomerate. Texture floccose, 



96. AsTERoPHORA. Peridium capitate, floccose above, evanes- 

 cent. Sporidia angular, p. 322. (sp. 2.) 



97. Onygena. Peridium capitate, crustaceous, consisting of 

 densely interwoven ^occz, evanescent. Sporidia vowa^Qdi. Tex- 

 ture floccose. p. 322. (sp. 1.) 



98. Trichoderma. Peridium more or less rounded, formed 

 of loosely interwoven flocci, soon obliterated in the centre. 

 Sporidia dry, collected together in the centre and forming a 

 sort of disc. p. 323. (sp. 1.) 



99. Myrothecium. Peridium more or less rounded, floccose, 

 evanescent in the centre. Sporidia minute, at first rather gela- 

 tinous, forming a sort of disc. p. 323. (sp. 1.) 



100. ^GERiTA. Peridium spherical, very fugacious. Sporidia 

 farinaceous, loose, sprinkled over the grumous receptacle, p. 324. 

 (sp. 1.) 



Tribe V. Perisporiacei. Peridium scarcely distinct from 



