TSEUDOPEZIZA. 193 



Pseudopeziza medicaginis. Sacc., Fung. Ard.,n. 96 ; 

 Syll., viii. n. 2971. 



Sessile, innate, erumpent, girt by the ruptured epidermis, 

 seated on yellowish spots; soon becoming almost plane, 

 yellowish-brown, thin and delicate, glabrous, about ^ mm. 

 across ; excipulum parenchymatous ; asci clavate, apex nar- 

 rowed, stipitate, 8-spored; spores irregularly 2-seriate, 

 hyaline, continuous, elliptical, 8-11 X 4-5 p., straight; 

 paraphyses hyaline, slender, slightly thick at the tips. 



Phacidium medicaginis, Libert, Crypt. Ard., exs., n. 176. 



On the upper surface of living or fading leaves of various 

 species of Medicago. Saccardo says also on Trigonella. 



Closely allied to P. trifolia ; distinguished by the somewhat 

 smaller spores, and different host plant. Specimens of this 

 species are in the Kew herbarium, collected by Baxter, near 

 Oxford, and by the Eev. J. E. Leefe at Audley End, Essex. 



Specimen in Libert's exs. n. 176, examined. 



Pseudopeziza radians. Sacc., Syll., viii. n. 2974. 



Erumpent and bordered by the torn epidermis, blackish 

 and glabrous externally, concave then almost or quite plane, 

 up to f mm. across, circular or slightly elongated, disk pallid 

 or dingy; scattered, or more frequently gregarious and 

 forming fine black, straight, radiating, or dendritic lines ; 

 excipulum parenchymatous, cells small, externally brownish- 

 olive ; asci cylindric-clavate, apex rather narrowed, often 

 irregularly nodulose at or near the base, 8-spored ; spores 

 2-seriate, narrowly cylindric-clavate, or cylindrical and only 

 very slightly wider near the apex, ends obtuse, hyaline, 

 continuous, 8-10 p. long, 3-3 '5 p. across at the widest part: 

 paraphyses rather stout, cylindrical, straight, about 3 p. 

 thick. 



Phacidium radians, Eoberge, Ann. Sci. Kat., ser. ii., vol. 

 xvii. p. 116 ; Phil., Brit. Disc., p. 388. 



On both surfaces of living leaves of Campanula patula, C. 

 rapunculus, and other species of Campanula. 



Specimen sent by Eoberge to Berkeley, examined, also 

 specimen from Desm., Cr., Fr., ser. i., n. 1350. 



Pseudopeziza repanda. Sacc., Syll., n. 2983. 

 Gregarious; innate, roundish, -1 mm. broad, convex, 

 dingy pale green, then blackish, splitting from the centre 



VOL. IV. 



