LOPHODERMIUM. 41 



elliptic and obtuse, or roundish, slightly convex, even, black, 

 opaque, slit narrow, up to 1 mm. long; asci clavate, apex 

 rather narrowed, base narrowed into a slender pedicel, 

 8-spored ; spores needle-shaped, continuous, hyaline, nearly 

 as long as the ascus, 65-75 x 1'5 /A, arranged in a parallel 

 fascicle in the ascus, curved when free ; paraphyses filiform, 

 hooked at the apex, hyaline. 



Xyloma hysterioides, Pers., Syn. Fung., p. 106. 



Hysterium xylomoides, Cke., Hdbk., p. 762. 



On dry leaves of hawthorn and other rosaceous plants, also 

 on leaves of barberry. 



Specimen in Berk. Fung. Exs., n. 196, examined. 



** Gymnosperms. 



Lophodermium pinastri. Chev., Flor. Paris, i. 

 p. 430 ; Khem, Krypt.-Flora, Hyst., p. 43 ; Sacc., Syll., ii. 

 n. 5819. 



Epiphyllous, scattered on pale spots that are often bounded 

 by a thin black line, innate, shortly elliptical or roundish, 

 brownish then shining black, slit at length gaping and ex- 

 posing the livid disc, 1-2 -5x1 mm. ; asci clavate, apex 

 rather narrowed, 8-spored; spores needle-shaped, hyaline, 

 continuous, multiguttulate, nearly as long as the ascus, 

 straight or slightly curved, 90-120 x 1'5 /A, arranged in a 

 parallel fascicle in the ascus ; paraphyses filiform, about 2 5 //, 

 thick, apex slightly wavy, colourless. 



Hysterium pinastri, Schrad., Journ. Bot., ii. p. 69, t. 3, 

 fig. 4; Cke., Hdbk., p. 763. 



On fallen leaves of Scotch fir or other conifers. 



Spermogonia. Spores cylindrical, colourless, continuous, 

 6-8 X 1 /A. 



Leptostroma pinastri, Desm., Ann. Sci. Nat., 1843, p. 338. 



Lophodermium juniperinum. De Not., Pir. 1st., 

 p. 40; Sacc., Syll., n. 5820; Kehm, Krypt.-Flora, Hyst., 

 p. 44. 



Scattered on the under surface of the leaf, innate and 

 slightly protruding, convex or almost plane, roundish or 

 elliptical, ends blunt, blackish-brown, lips smooth, slit long 

 and narrow, J-l mm. long ; asci clavate, sessile, apex rather 



