55 



mature state of L. Lonicerce instead of making it specifically distinct. 

 In all the European specc. the sporidia are continuous and hyaline as 

 represented in PI. 8, figs. 8 and 9. 



SCORIAS, Fr. (Plate 10) 



Syst. Orb. Veg. p. 171, Syst. Mycol. Ill, p. 290. 



Mycelium of greenish-black, much branched, rigid, septate hyphse, 

 enveloped and glued together by an abundant mucilaginous substance, 

 and forming a loosely compacted, black, rough, spongy mass of con- 

 siderable extent, more compact on the surface, and bearing an abund- 

 ance of ovate or pyriform, coriaceous perithecia. 



S. spongiosa, (Schw.) 



Botrytts {?) spongiosa, Schw. Syn. Car. No. 1311. 

 Scorias spongiosa, Fr. S. M. Ill, p. 290. 

 Exsicc. Rav. Fuug. Car. I. «i.— Rav. F. Am. 334.— Ell. N. A. F. 1363.— Rab. F. E. 

 3052. Thum. M. U. 697. 



Perithecia abundant, attached to the fibers of the mycelium, near 

 their extremities, ovate or pyriform, obtuse or acuminate, 100-120 x 

 70-80 [1, mostly contracted below into a short, thick stipe, coriaceous, 

 greenish-black, texture subradiate-cellular. Asci narrow obovate-clav- 

 ate, thick-walled, 40-45x7 /x, 8-spored. Sporidia fusoid, yellowish- 

 hyaline, 2-seriate, 3-septate, 12-15 x2|-3^. 



On living beech limbs associated with some species of wooly 

 aphis, or on the ground and on various other things, weeds, grass, &c., 

 where the aphides or their droppings have fallen.- 



PERISPORIUM, Fr. (Plate 7) 



Sy.st. Orb. Veg. I, p. i6i, Syst. Myc. Ill, p. 248. 



Perithecia scattered or gregarious, superficial, carbonaceo-coria- 

 ceous, opening at length irregularly or with a circular mouth, globose 

 or depressed-globose, bare and black. Asci clavate, with a long, 

 slender base. Paraphyses none. Sporidia oblong-cylindrical, 3-sep- 

 tate, dark brown. 



P. vulgJire, Cda. Icones, II, fig. 97. 



Exsicc. Thum. M. U. 1941.— Cke. F. Brit. 2d Ser. 289.— Vize. Micr. Fungi 83. 



Gregarious, superficial, black and shining. Asci broad-clavate, 

 with a short, nodose stipe, 35-40x17-19 fj.. Sporidia 8, 3-septate, 

 brown, the two middle cells oblong-cubical, the end cells siibconical, 

 28 X 5 /i. 



On wood, decaying paper and cloth, and various other decaying 

 materials. 



