Lachnella 245 



flexuous, roughened on the outside, 3-4 m in diameter; asci 

 clavate, reaching a length of 130 m and a diameter 12 /x, 8-spored; 

 spores obliquely 1 -seriate, becoming 1 -septate on germination, 

 ellipsoid, 4-7 X 10-18 m; paraphyses filiform, swollen at their 

 apices, 1-2 ju in diameter. 



On species of Larix, L. eiiropaea, L. Laricina, L. leptolepis, 

 and L. occidentalis. 



Type locality: Hills, British Columbia. 



Distribution: Vermont to Pennsylvania and British Co- 

 lumbia. 



Illustrations: Mycologia 26: pi. 12, f. 6-10; pi. 13. 



3. Lachnella Hahniana Seaver, nom. nov. 



Dasyscypha calycina Fuckel, Synib. Myc. 305. 1869. Not Peziza calycina 

 Schuni. 1803. 



Conidial stage consisting of erumpent, fleshy, or waxy 

 stromata containing simple, or labyrinthiform loculi in which 

 microconidia are abstricted from the tips of short, subulate, 

 simple, or verticillately branched sporophores; microconidia 

 continuous, hyaline; ellipsoid, or allantoid, 1-2 X 2-5 /x. 



Apothecia abundant, solitary, or grouped, short-stipitate, at 

 first globose and closed, opening with a rounded form and 

 expanding to a saucer-shaped structure in moist weather, reach- 

 ing a diameter of 3 mm., externally densely clothed with white 

 hairs; hymenium, concave, ochraceous to salmon-orange; hairs 

 cylindric with slightly swollen extremities, 3-4 m thick, minutely 

 roughened; asci clavate, reaching a length of 100-165 /x and a 

 diameter of 8-10 m, 8-spored; spores 1-seriate, smooth, ellipsoid, 

 simple, often becoming 1-septate on germination, 5-8 X 14 20 n; 

 paraphyses filiform, intermixed with broader filaments with 

 swollen extremities, rounded, or with subacute apices, occa- 

 sionally spathulate, 1-4 y. thick. 



On Larix europaea, Larix leptolepis, and Pseiidotsuga iaxifolia. 



Type locality: Europe. 



Distribution: Massachusetts; also in Europe. 



Illustrations: Mycologia 26: pi. 8; pi. 9,f. 6-10. 



4. Lachnella oblongospora (Hahn & Ayers) Seaver, comb. nov. 



Dasyscypha oblongospora Hahn & Ayers, Mycologia 26: 88. 1934. 



Conidial stage consisting of waxy, erumpent, stromata with 

 irregular, labyrinthiform cavities in which the microconidia are 



