By C. E. Broome, Esq. 223 



Genus CCLVIIL, Cenangium Fr. Receptacle coriaceous, closed 

 at first, then open, marginate, covered with a thick cuticle. Hy- 

 menium persistent. 



Cenangium quercinura Fr., common on oak twigs. 



Genus CCLIX., Ascobolus Tode. Receptacle orbicular, marginate. 

 Disc patellaeform. Asci bursting forth elastically. 



Ascobolus furfuraceous P., on cow dung, common. 



vinosus B., on rabbits dung, Spye Park. 



ciliatus Schmidt., on horse dung, &c., common. 



Genus CCLX., Bulgaria Fr. Receptacle orbicular, thin trun- 

 cate, glutinous within, at first closed. Hymenium even, persistent, 

 smooth. 



Bulgaria inquinans Fr., on oak timber, common. 

 sarcoides Fr., on decayed stumps, common. 



Genus CCLXI., Agyriiim Fr. Receptacle compact, homogene- 

 ous, waxy, gelatinous when moist, innate, sessile, sphoerical, even, 

 smooth, and fructifying all round. Asci fixed. 



Genus CCLXII., Stictis P. Receptacle obsolete. Hymenium 

 even, determinate, orbicular and elliptic, immersed in the matrix, 

 at first veiled. 



Subgenus i., Eustictis Fr. Often margined, suborbicular. Hy- 

 menium persistent. 



Stictis radiata P., common on sticks, &o., and on aira coespitosa 

 at Spye Park. 



hysterioides Desm., Spye Park, on sedges. 



jenus ii., Hylographa Fr. Elliptic or elongated. Hymenium 

 deliquescent. 



Subgenus iii.. Propolis Fr. "Waxy, firm, round or irregular. 

 Hymenium even, at length dusty. 



Stictis versicolor Fr., common on wood. 



Genus CCLXIII., Ascomyces Mont, and Desm. Parasitic. Recep- 

 tacle none. Asci forming a thin, pulverulent stratum, mixed with 

 moniliform threads. 



ORDER XXIV. TUBERACEI. 

 Genus CCLXIV., Tuber Mich. Asci short, saccate, disposed in 



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