310 BRITISH DISCOMYCETES. 



B. SPORIDIA OBLONG-ELLIPTIC. 



(a) Sporidia simple. 

 2. Dermatea nectrioicles (no v. sp.). 



Gregarious or csespitose, erumpent, sessile, at first 

 subglobose, then plane, orbicular, reddish-brown ; hyme- 

 nium at first bright orange-red, becoming pale tan-colour ; 

 asci cylindraceo-clavate ; sporidia 8, oblong-elliptic or 

 oblong, rounded at the ends, with one or two large 

 guttulse, straight or slightly bent, 20 — 25 x 7//; para- 

 physes filiform, slender, branched. 



On cones of Pinus sylvestris. 



Cups 300 to 500/* broad. The cups issue singly or in 

 groups of two or three, through an elongated slit in the 

 epidermis, which is usually black on the margin. They 

 are at first globose, bright orange-red, shining, hardly to 

 be distinguished from a Nectria ; at a later stage the disc 

 becomes plane or convex and pale tan-colour.- It is a 

 near ally of Dermatea conigena, Phil. 



Name — Nectria, a genus of fungi, etSog, resemblance. 



Barn Green, near Birmingham ! (Mr. W. B. Grove). 



3: Dermatea dryina. Cooke. 



Cups sometimes single, sometimes three or four 

 together, convex-plane, flesh-colour, \ a line diameter or 

 less, erumpent; margin very slightly elevated or not at all; 

 substance fleshy or rather tough ; asci clavate ; sporidia 

 8, elliptic, attenuated a little towards each end, straight 

 or a little curved, 30 — 35 X 10 — 12^ (Cooke in litt.). 



Dermatea dryina — Cooke, " Grevillea," vii. p. 62. 



On oak bark. 



Cups \ a line broad at most ; sporidia larger than in 

 D. carpinea. 



Name — Spvg, oak; found on oak. 



Near Hereford ! (Mr. M. C. Cooke). 



(b) Sporidia becoming pseudo-septate. 

 4. Dermatea livida. (B. and Br.) 

 Minute, gregarious, often crowded, subhemispherical 

 sessile olivaceous yellow; hymenium plane, margin 



