188 The North American- Cup-Fungi 



hymenium concave, dingy-brown ; asci clavate, reaching a length 

 of 50-60 n and a diameter of 6-7 /x, 8-spored ; spores 2-seriate, or 

 partially so, fusoid, 3-4 X 16-12 ju; paraphyses filiform. 



On living leaves of Galium and occasionally on other herba- 

 ceous plants. 



Type locality : Europe. 



Distribution: Oregon; also in Europe. 



Illustrations: Alb. & Schw. Consp. Fung, pi 4, f. 6 (as 

 Xyloma herharum.) 



The only American specimens seen are two collected in Oregon 

 on Galium boreale and Galium triflorum. The fungus seems to 

 agree well with European specimens. 



6. Pseudopeziza Ribis Rehm; Kleb. Cent. Bakt. 11. 15: 336. 



1905. 



Gloeosporium Ribis Kleb. Zeit. Pflanzenk. 16: 76. 1906. 

 Drepanopeziza Ribis Hohn. Ann. Myc. 15: 332. 1917. 



Apothecia erumpent, with a short, stout, stem-like base, be- 

 coming nearly plane, .25 mm. in diameter; asci clavate, reaching 

 a length of 80-100 y. and a diameter of 18-20 /x, 8-spored; spores 

 ovoid, 7-8 X 12-17 /x; paraphyses filiform, branched, scarcely 

 enlarged above. 



On leaves of species of Ribes. 



Type locality: Europe. 



Distribution: Ontario and Oregon; also in Europe. 



7. Pseudopeziza Populi-albae Kleb. Haupt.-Nebenfr. Ascom. 



344. 1918. 



Drepanopeziza Populi-albae Nannf. Nova Acta Soc. Sci. LIpsal. IV. 8: 170. 



1932. 

 Trochilia populorum Desni. Bull. Soc. Bot. Fr. 4: 858. 1857. Sensu Edgerton, 



Mycologia 2: 169. 1910. 



Apothecia at first somewhat globose, expanding and becoming 

 plane, or slightly concave, surrounded by the upturned fragments 

 of the ruptured epidermis, .1-.2 mm. in diameter; asci clavate, 

 reaching a length of 60-80 /x and a diameter of 12-14 /x, 8-spored; 

 spores 1-2-seriate, ellipsoid, usually with two large oil-drops, 

 hyaline, 5-7.2 X 12-16 /x; paraphyses filiform, somewhat enlarged 

 above. 



On leaves of Populus alba. 



Type locality: Europe. 



Distribution: New York and Georgia; also in Europe, 



