356 BRITISH DISCOMYCETES. 



Exs. Sommf., No. 191. 



On alder. 



Name Alnus, the genus to which alder belongs. 



Appin ! 



GENUS Y. CRUMENULA. De Not., " Disc.," p. 9. 



Cups superficial, globose, dehiscing with a rounded, 

 entire, or lacerated mouth, when dry closely pressed 

 together; excipulum coriaceous, exceeding the thickish 

 concave hymenium ; asci from the slender base nearly 

 cylindrical, 8-spored ; paraphyses filiform ; sporidia 

 acicular, continuous or septate, delicate hyaline-yellow. 

 (Plate XL fig. 68.) 



Inhabiting branches of shrubs. 



Name Crumena, a purse ; from its shape. 



KEY TO THE SPECIES. 



On vaccinium . . . . . . . . . . . . urceoliformis. 



On Calluna vulgaris: sporidia septate . . . . callunigena. 



On Calluna vulgaris : sporidia longer and not 



septate . . . . . . . . . . . . Ericx. 



On Arbutus Uva-Ursi . . . . . . . . . . Ledi. 



1. Crumenula urceoliformis. Karst. 



Scattered, generally solitary, erumpent, sessile or 

 subsessile, nearly globose, blackish, brown-furfuraceous, 

 becoming concentrically sulcate and naked, at first closed, 

 then opening with a connivent mouth; disc pale cinereous ; 

 asci cylindrical, narrowed at the base ; sporidia 8, fili- 

 form, 65 2/uL ; paraphyses filiform, forked at the apices. 

 (Plate XL fig. 68.) 



Peziza urceoliformis Karst., " Mon. Pez.," p. 172. 

 Crumenula, urceoliformis Karst., " Myco. Fenn.," p. 213 



On dead stems of Vaccinium Vitis idea. 



Name Urceolus, a little pitcher, forma, shape. 



Grantown, N.B. ! (Rev. Dr. Keith). 



2. Crumenula callunigena. Karst. 

 Cups solitary, nearly globose, sessile, brownish-black, 

 naked, striate, mouth connivent ; asci cylindrical, with a 



