286 BRITISH DISCOMYCETES. 



Boudiera 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 acncoc, leather bag, wine-skin, and jSoXoc, 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 . . . . . . . . . . . . . . immersns. 



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



| Subcylindrical ; exterior yellowish-green, shining. . xrugineus. 



1. -{Flattish; exterior dull purple ; margin laciniate . . vinosus. 

 j Oblong-globose, then pyrifurm; exterior white, 



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



'Globose or hemispherical ; exterior pale yellowisL- 



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



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

 Globose to hemispherical ; exterior greenish-yellow : 



2. \ on cow-clung furfuraceus. 



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



clay ground ' viridis. 



Globose, then flattened ; exterior greenish-yellow : 

 I, on grouse-dung I .. cremdatus. 



