286 BRITISH DISCOMYCETES. 



Baud leva areolata — Cooke and Phil., " Grevillea," vi. 

 p. 76. 



On moist ground on the margin of a lake. May. 



Receptacles about 1 to 1J line broad. 



Name — Areolce, little beds in a , garden ; from the 

 depressions on the sporidia. 



Llyn Gwernon, North Wales ! 



Genus II. — Ascobolus. Pers. 



Sessile, disc plane or convex, papillate from the pro- 

 jecting asci; sporidia 8, elliptic, coloured, free in the 

 ascus. (Plate IX. fig. 54.) 



Name — chjkoq, leather bag, wine-skin, and fioXog, a 

 projection; from the projecting asci. 



Distinguished from Boudiera by the elliptic sporidia, 

 and from Saccobolus by the sporidia being free in the 

 ascus, i.e. not inclosed in a common membrane. 



Arrangement of the Species. 



a. Exterior of the cup smooth . . . . species 1-4 



b. Exterior of cup furfuraceous or granulated „ 5-9 

 C. Exterior of cup pilose . . . . . . „ 10, 11 



Key to the Species. 



Exterior smooth . . . . . . . . 1 



Exterior rough . . . . . . . . . . 2 



Exterior pilose, pale ochre . . . . . . . . brunneus. 



Exterior clothed with hyaline hairs, yellowish- 

 green . . . . . . . . . . . . . . immersus. 



(Turbinate ; exterior yellowish-green . . . . denudatus. 



j Subcylindrical ; exterior yellowish-green, shining. . serugineus. 



1. ^Flattish ; exterior dull purple ; margin laciniate . . vinosus. 

 j Oblong-globose, then pyriform; exterior white, 



I. orange, or vinous-brown . . . . . . . . glaber. 



Globose or hemispherical; exterior pale yellowish- 

 green : on pigeon -dung . . . . * . . . . viridulus. 



Flattish ; exterior umber-brown : on charcoal . . atro-fuscus. 

 Globose to hemispherical ; exterior greenish-yellow : 



2. \ on cow-dung furfuraceus. 



Flattened ; exterior dark, dingy, yellowish-green : on 



clay ground viridis. 



Globose, then flattened; exterior greenish-yellow: 



on grouse-dung crenulutus. 



