320 BRITISH DISCOMYCETES. 



pallid bluish-yellow, margined by the excipulum, which 

 is submembranaceous, and in section cup-shaped, bluish- 

 black, adhering by the greater part of its base to the 

 wood. The asci are very long and cylindrical, not as 

 figured by M. Crouan, in " Ann. Sc. Nat." (I. c). The 

 paraphyses are septate, often branched, and clavate at 

 the summits. The sporidia are 270 X 2/u, and when 

 mature septate. 



Name — After Vicomte de Guernisac. 



Wrexham, Denbighshire ! (Mr. B. Acton). Habberley 

 and Berrington ! near Shrewsbury. 



6. Vibrissea turbinata. Phil. 



Scattered, turbinate ; hymenium plane or convex, 

 ochraceous yellow, margined by the thin edge of the 

 receptacle, which is bluish-grey, smooth ; asci cylindrical ; 

 sporidia 8, filiform, 180 X 2/u; paraphyses slender, branched 

 near the summits, which are slightly enlarged and 

 brownish. 



Vibrissea turbinata — Phil, in "Trans. Linn. Soc," 

 ser. 2, vol. ii. p. 8, t. ii. f. 14-18. Helotium vibrissioides 

 — Pk. in litt. 



On branches of ash in watercourse. 



Cup J to J a line broad. 



Name — Turbiiiatus — shaped like a top. 



Shrewsbury ! 



7. Vibrissea leptospora. (B. and Br.) 



Hemispherical, then expanded, sessile; hymenium 

 pallid or straw-coloured ; externally lurid, from the scat- 

 tered, black, adpressed flocci ; margin crenulate; sporidia 

 filiform ; 200 to 230/i long, 2/x broad. 



Peziza leptospora — B. and Br., " Ann. Nat. Hist.," 

 No. 1166, t. iv. f. 30. Vibrissea coronata — Phil, in Herb. 

 Vibrissea leptospora — Phil, in " Trans. Linn. Soc," ser. 2, 

 vol. ii. p. 8, t. 2, f. 19-23. 



On decayed wood. 



About \ a line across ; at first perfectly globose, often 

 collapsed in the centre, but gradually openiDg and ex- 



