Lachnella 259 



ExsiccATi: Rehm, Ascom. 1852 (from Wisconsin). 

 The synonymy is based largely on the studies of Dr. W. L. 

 White. 



25. Lachnella diminuta (Rob.) Phill. Brit. Discom. 253. 1887. 



Peziza diminuta Rob.; Desm. PI. Crypt. Fr. 1538; Ann. Sci. Nat. III. 8: 185. 



1847. 

 Lachnea dimimita Gill. Champ. Fr. Discom. 71. 1880. 

 Dasyscypha diminuta Sacc. Syll. Fung. 8: 449. 1889. 



Apothecia scattered, or crowded, short-stipitate, at first 

 globose, then expanded and hemispherical, minute, .5 mm. in 

 diameter, whitish-tomentose; hymenium concave, yellowish, or 

 orange; asci cylindric-clavate, 8-spored; spores long-ellipsoid, 

 2 X 12 /x; paraphyses filiform. 



On dry culms of Juncus and grass stems. 



Type locality : Europe. 



Distribution: Michigan and North Dakota; also in Europe. 



ExsiCCATi: Brenckle, Fungi Dak. 527. 



26. Lachnella agrostina (Peck) Seaver, comb. nov. 



Peziza agrostina Peck, Ann. Rep. N. Y. State Mus. 29: 55. 1878. 

 Trichopeziza agrostina Sacc. Syll. Fung. 8: 421. 1889. 



Apothecia scattered, minute, less than 1 mm. in diameter, 

 subsessile, subglobose, externally hairy, of a dull-pinkish color; 

 h\-menium pallid, or cream-colored; hairs about the margin bent 

 inward when moist, usually with longer, subulate, whitish points, 

 the others not subulate, often rough and septate; asci cylindric, 

 8-spored; spores elongated, 6-8 m in length; paraphyses longer 

 than the asci, lanceolate. 



On dead stems of Calamagrostis canadensis. 



Type locality: West Albany, New York. 



Distribution: Known only from the type locality. 



Part of the type collection is in The New York Botanical 

 Garden. 



27. Lachnella Arundinariae (Cash) Seaver, comb. nov. 



Lachnum Arundinariae Cash, Jour. Wash. Acad. Sci. 30: 301. 1940. 



Apothecia sessile, scattered, minute, .1-.2 mm. in diameter, 

 translucent when moist, clothed with white hairs, margin fimbri- 

 ate, at first subglobose, then becoming discoid; hymenium plane 

 or nearly so, hyaline to slightly pink; hairs slightly roughened, 



