384 OUTLINES OF 15KITISH FUiNGGLOGY. 



287. ENDOTHIA, Fr. 



Tied or tawny. Perithccia irregular, pallid, cellular. Asci 

 ditHuent. 



1. E. gyrosa, Fr. [Sjjhceria fluens, Sow.); subrotuud, con- 

 fluent, orange, vermilion; stroma yellowish ; perithecia gyrose, 

 pulverulent, at length slightly prominent. 



On bark. New Forest. 



288. XYLARIA, Schrank. 

 Vertical, more or less stipitate. Stroma between fleshy and 

 corky, covered with a black or rufous bark. 



1. X. polymorpha, Grev. ; subcarnose, gregarious, turgid, 

 irregular, dirty-white, then black ; receptacle bearing perithecia 

 in every part. — Grev. t. 237. 



On old stumps. Not uncommon. 



2. X. digitata, Grev. ; between fleshy and corky, tufted ; 

 heads cylindrical, reddish-brown, then black ; tips barren, 

 acute; stem smooth. — Bull. t. 220. 



On wooden structures and stumps. Not common. 



3. X. corniformis, Mont. ; corky, brittle, simple, cylindrical, 

 curved, black, covered on all sides with perithecia; base sub- 

 tuberous, villous. 



On fallen branches. Rare. Lancashire. 



4. X. Hypoxylon, Grev. ; corky, simple or branched, com- 

 pressed, at first pulverulent with white meal, then naked ; stem 

 villous. (Plate 2i, fig. ^.)—Sow. t. 55. 



On stumps of trees, sticks, etc. Extremely common. 



5. X. carpophila, Fr.; corky, slcnrler, simple; head subu- 

 late, albido-pulverulent, at length black ; stem very long, root- 

 like. 



On beech-mast. Very common. 



