52 FUNGUS-FLOEA. 



becoming 1-septate, narrowly lanceolate or narrowly 

 cylindric-fusiform, sometimes slightly curved, 25-35 X 3 fx; 

 paraphyses numerous, filiform, about 2 /x thick ; apex 

 usually curved, slightly or not at all thickened, longer than 

 the asci. 



Phacidium striatum. Phil. & Plow., Grev., vol. xiii. 

 p. 75; Phil., Brit. Disc, p. 392, pi. xii. f. 76; Sacc, Syll., 

 n. 2932. 



On dead stems of Bubus. 



Resembling externally P. rugosum, Fries, but with totally 

 different sporidia. (Phil.) 



Authentic specimen from Plowright examined. 



Coccomyces dentatus. Sacc, Mich., i. p. 59 ; Eehm, 

 Krypt.-Flora, Disc, p. 78. 



Gregarious on pallid spots, orbicular or irregularly qua- 

 drangular, the centre depressed, up to 1 mm. across, shining 

 black, at length splitting into 3-5 acute teeth and exposing 

 dingy yellow disc ; asci cylindric-clavate, apex somewhat 

 narrowed, attenuated downwards into along slender pedicel, 

 8-spored ; spores arranged in a parallel fascicle in the upper, 

 wide part of the ascus, hyaline, needle-shaped, curved, at 

 first continuous then becoming more than 1-celled, 50-70 x 

 1*5-2 jx ; paraphyses slender, widening gradually upwards 

 to about 3 \x thick, only slightly wavy, hyaline. 



Phacidium dentatum, Kze. & Schmidt, Myc., Heft i. p. 41 ; 

 Phil., Brit. Disc, p. 303. 



On fallen leaves of oak and sweet chestnut. 



Specimens in Fuckel's Fung. Ehen., 1090, and Berk., Brit. 

 Fungi, n. 93, examined. 



Coccomyces rubi. Karsten, Myc Fen., ii. p. 578 ; 

 Eehm, Krypt.-Flora, Disc, p. 81 ; Sacc, Syll., viii. n. 3078. 



Gregarious, somewhat superficial, irregularly circular, 

 convex, blackish, then splitting into irregular teeth which 

 remain as a torn margin, and exposing the pale disc, about 

 2 mm. across; excipulum and torn margin parenchymatous, 

 cells small, olive-green, asci clavate, apex rather acute, 

 narrowed below into a long, slender pedicel, 8-spored ; 

 spores arranged in a parallel fascicle in the wide, upper part 

 of the ascus, hyaline cylindric-fusiform, generally slightly 



