12 



GENUS 293. PORONIA.* Fr. 



Between fleshy and corky. Fructifying surface margined, 

 orbicular. Perithecia immersed, vertical. 

 Poronia punctata Fr. Eatheaston, April, 1871 ; Hanham. 



GENUS 294. HYPOXYLON.t Bull. 



Stroma, corky or brittle, convex or plane, immarginate, at first 

 clothed with a floccose veil, then with a black crust, distinct &om 

 the matrix. Perithecia vertical or divergent. 

 Hypoxylon ustulatum Bvll. Eatheaston, on old stumps. 

 H nummularium Bull. Stapleton, near Eristol, October, 



1853 ; Leigh Wood, September. 

 H luteum Fr. St. Catherine's, April, 1867 ; Warleigh 



February, 1862. 

 H gastrinum Fr. Eatheaston, December, 1862 ; Kudlow, 



February, 1843. 



H- concentricum Grev. Eatheastonj common on ash timber. 



H coccineum Bull. Eatheaston, on beech timber. 



H multiforme Fr. Eatheaston, November, 1875. 



H argillaceum Fr. Eatheaston, winter, common on 



ash sticks. 



H fuscum Fr. Very common on sticks. 



H rubiginosum Fr. On bare trunks, &c. 



H serpens Fr. Common on dead wood. 



H coprophilum Fr. Eatheaston, October, 1864; on cow 



dung. 



H udum Fr. Leigh Wood, April, 1877. C. Bucknall. 



H atro-purpureum Fr. Leigh Wood, April, 1877. 0. 



EucknaU. 



* Poronia, from poros, a pore, 

 t Hypoxylon, from upo, beneath, and xulon, wood. 



