XYLOGKAPHA PSEUDOGRAPHIS. 65 



PSEUDOGEAPH1S. Nyl. (figs. 48-50, p. 22.) 



Erumpent, rounded or elongated, straight or curved; 

 epithecium rather thick, rugulose, black, splitting into two 

 lips that become widely separated and exposing the disc; 

 asci cylindric-clavate, thick walled ; spores 8, elongated, 

 4-8-celled, and eventually becoming muriform, hyaline or 

 yellowish, paraphyses present. 



Pseudogr aphis, Nylander, Herb. Mus. Fenn., p. 96; Sacc., 

 SylL, ii. p. 769 ; Kehm, Krypt.-Flor., Disc., p. 99. 



Separated from, the Hysteriaceae by the lips of the excipu- 

 lum expanding widely at maturity, and exposing the greater 

 portion of the disc. The substance also is not rigid and 

 carbonaceous when moist, but rather soft and fleshy. 



Pseudographis pinicola. Kehm, Ascom., n. 24; 

 Eehm, Krypt.-Plor., Disc., p. 99; Sacc., Syll., ii. n. 5733. 

 (figs. 48-50, p. 22.) 



Mostly gregarious, rounded or elliptical, narrowed below 

 or very shortly stipitate ; epithecium rather fleshy, rugulose, 

 blackish brown ; margin incurved, rather irregularly torn or 

 fimbriate ; disc exposed and pallid when moist ; 1-2^ mm. 

 long, 1-1 1 mm. broad ; asci clavate, apex rather narrowed, 

 attenuated below, often curved ; spores 8, irregularly bise- 

 riate, elongated-elliptical, or more or less fusiform, straight 

 or slightly curved, 3-5-7 -septate, often guttulate, 25-35 X 

 7-10 p., hyaline then yellowish; paraphyses numerous, fili- 

 form, equal, branched above and often more or less flexuous, 

 about 2 jjt. thick, colourless. 



Hysterium pinicola, Nyl., Pez. Fenn., p. 77. 



Triblidium pinicolum, Cooke, Grevillea, vol. ir. tab. 67, 

 fig. 8. 



On bark of Pinus sylvestris. 



Specimen from Nylander examined ; also specimen in the 

 Kew Herb, copy of Eehm's Ascom., n. 24. 



Pseudographis elatina. Nyl., Herb. Mus. Ferni., 

 p. 96; Kehm, Krypt.-Flor., Disc., p. 100; Sacc., Sylh, 

 ii. n. 5732. 



Gregarious, erumpent, often deformed, curved, externally 

 rugose, black; lips distant when moist, disc large, pallid- 



VOL. IV. F 



