112 



LICnKXACEI. 



[b^omtces. 



This is at once distinguished by the colour and form of the apothecia 

 and by their internal structure. The thaUus, when sterile, often spreads 

 extensively, aud is then more continuous and aspersed -n-itb laro-e rosy- 

 white or white cephalodine granules, when it is Variolaria terricola Tayl. 

 in Mack. Fl. Hib. ii. p. 115. The apothecia are not common in this 

 country ; but the spermogones are frequent on otherwise barren thalli. 

 They are somewhat large, tuberculiform, at first covered by the cortical 

 layer, the conceptacle blackish above, with elongate jointed sterigmata 

 and straight spermatia 0,005 nun. long, scarcely 0,001 mm. thick. 



Hah. On sterile gravelly or turfy soil on upland moorlands. — Distr. 

 General, though not common in a fertile state, in most of the moun- 

 tainous and more hilly tracts of Great Britain and Ireland. — B. M. : 

 Suflblk ; Eppiug Forest, Essex ; Toy Hill, Kent ; Lyndhurst Moor, 

 Hants ; St. Breock Down and Tregawn, Cornwall ; Montgomery-hire ; 

 Cader Idris, near Barmouth, and Aberdovey, Merionethshire ; Wapley 

 HiU, Herefordshire ; Cleveland, Yorkshire ; the Cheviots, Northumber- 

 land. New Galloway, Kirkcudbrightshire ; Leadhills, Lanarkshire ; 

 Achosragan HiU, Appin, Argyleshire ; Sheriffmoor, Stirling ; Glen 

 Lochay, Ben More, Craig TuUoeh, and Ben Lawers, Perthshire; Baldovan 

 Woods aud Sidlaw Hills, Forfarshire : Glen Dee, Braeraar, Aberdeen- 

 shire ; Glen Nevis, Inverness-shire. Near Clonmel, Co. Tipperary. 



B. ICMADOPHILA (Travis, in Mass. Rich. (1852) p. 26).— Apo- 

 thecia sessile, lecauoroid, at length biatorine, solid within. 



Fig. 31. 

 Baomyces aruginosus DC. — a. Section of an apothecium (in dry state), x30. 

 h. Two thecae and a paraphysis, x350. c. Spores, XoOO. d. Section of a 

 spermogone, x30. e. Steriginala and spermatia, X.^IHl. 



