246 The North American Cup-Fungi 



abstricted from the tips of the slender, subulate, simple, or 

 verticillately branched sporophores; microconidia hyaline, sim- 

 ple, ellipsoid, or allantoid, 1-1.5 X 2-5 fi. 



Apothecia erumpent, waxy, scattered, or grouped, at first 

 globose, closed, opening and becoming urn-shaped, expanding 

 under moist conditions, laterally compressed and closed when 

 dry, short-stipitate, externally clothed with white, or grayish- 

 white hairs; reaching a diameter of 2 mm.; hymenium salmon- 

 orange to orange-buff; hairs long, flexuous and minutely rough- 

 ened, septate, 3-4 fx thick; asci clavate, reaching a length of 

 70-100 jji and a diameter of 7-10 /x, 8-spored; spores 1-seriate, or 

 irregularly disposed, ellipsoid, hyaline, smooth, at first simple, 

 often becoming 1-septate before germination, 4-6 X 11-15 jjl; 

 paraphyses filiform, scarcely swollen at their apices, 1-2 ju in 

 diameter. 



On coniferous branches of Larix laricens, L. europaea, L. 

 leptolepis, Picea pungens, Pinus pungens, Pinus virginiana and 

 Pseudotsuga taxifolia. 



Type locality: Bethel, Vermont (On Larix laricina). 



Distribution: Vermont to Pennsylvania and Michigan. 



Illustrations: Mycologia 26: pi. 11; pi. 12, f. 1-5. 



5. Lachnella Pseudotsugae (Hahn) Seaver, comb. nov. 

 Dasyscypha Pseudotsugae Hahn, Mycologia 32: 138. 1940. 



Conidial stage consisting of waxy-fleshy, light-buff stromata 

 with lab^Tinthiform cavities in which the conidia are borne and 

 from which they exude in a droplet or tendril ; conidia produced 

 on the ends of simple, or branched conidiophores; hyaline ellip- 

 soid, 1.8-3 X 2.4-4 fjL. 



Apothecia waxy-fleshy, scattered, or closely grouped, at first 

 globose and closed, opening in a roundish form, the margin 

 incurved, urn-shaped, becoming widely expanded and discoid 

 under moist conditions, laterally compressed when dry, 1-3.5 

 mm. in diameter; hymenium light orange-yellow to orange; hairs 

 minutely roughened, cylindrical with obtuse ends, 3-3.5 pi in 

 diameter, hyaline-white; asci clavate, reaching a length of 50-60 fj. 

 and a diameter of 4-5.4 n, 8-spored; spores 1-seriate, ellipsoid to 

 fusoid, 2-4 X 4-7 m; paraphyses filiform, slightly swollen above. 



Forming cankers on living branches of Pseudotsuga taxifolia. 



Type locality: Lokoya, Napa County, California. 



Distribution: California to British Columbia. 



Illustrations: Mycologia 32: 139./. 1-6. 



