36 FUNGUS-FLOEA. 



smooth, black and shining, margin pale, splitting hy a longi- 

 tudinal fissure, about ^ mm. long and ^ mm. broad ; asci 

 olavate, attenuated below into a long, slender pedicel, 

 8-spored ; spores filiform or slightly fusiform, usually curved, 

 continuous, multiguttulate, hyaline, 20-25 X 2* 6-3 fi., ar- 

 ranged in a parallel fascicle ; paraphyses slender, more or 

 less curved at the apex. 



Hysterium conigenum, Pers., Syn. Fung., p. 102. 



On fallen cones of Scotch fir. Confined to the upper 

 exposed portion of the scales. 



LOPHIUM. Fries, (figs. 1-4, p. 22.) 



Ascophore vertical, mussel-shaped, compressed laterally, 

 submembranaceous, fragile, black ; lips acute, at first in 

 contact, then gaping slightly and dehiscing by a long, nar- 

 row slit; asci cylindrical, 8-spored; spores filiform, very 

 long, multiseptate, arranged in a parallel fascicle, hyaline or 

 with a yellow tinge; paraphyses slender, septate, branched, 

 colourless. 



LopMum, Fries, Syst. Myc, ii. p. 533; Sacc, Syll., ii. 

 p. 799 ; Cke., Hdbk., p. 766. 



Eeadily distinguished by the very long, needle-shaped, 

 multiseptate spores, and the form of the ascophore, which 

 almost exactly resembles in miniature, a mussel shell fixed 

 by the hinge and standing vertically, with the slightly 

 gaping lips above. 



Lophium mytillinum. Fries, Syst. Myc, ii. p. 533 ; 

 Sacc, Syll., ii. n. 5838 ; Cke., Hdbk., p. 766, fig. 364. (figs. 

 1-4, p. 22.) 



Ascophore mussel-shaped, subpedicellate, transversely 

 striate, black, shining, about 1 J mm. long, |-| mm. high and 

 broad; cells of exoipulum small, very compact, blackish; 

 asci cylindrical, shortly stipitate ; spores 8, arranged in a 

 parallel fascicle, nearly as long as the ascus, very slenderly 

 needle-shaped, multiguttulate then more or less perfectly 

 multiseptate, hyaline, 120-150 X 1-5-2 ju; paraphyses nume- 

 rous, cylindrical, about 2 /i thick, septate, branched. 



Hysterium mytilinum, Pers., Syn. Fung., p. 97. 



