1893.] NATURAL SCIENCES OF PHILADELPHIA. 451 



Tryblidiella pygmaea E. & E. 



On weather-beaten wood, Ohio. (Morgan). 



Perithecia gregarious, semi-immersed, acutely elliptical, black, 

 not striate, £-1 mm. long, lips incurved, not closed, exposing the dark 

 colored disk. Asci clavate, 60-75 x 12-1 5//., subsessile, with fili- 

 form, branched paraphyses. Sporidia biseriate, clavate, 3-4-septate, 

 20 x 6-7//., hyaline becoming brown. 



Has the same habit as Glonium lineare. 



* * * DISCOMYCETES. 



Lachnellula microspora E. & E. 



On bark of spruce trees, New Harbor, Newfoundland. May, 

 1893. (Rev. A. C. Waghorne). 



Sessile or very short-stipitate, 2-3 mm. across, cup shaped, ( nearly 

 closed at first), margin fringed and outside clothed with a dense coat 

 of rufo-cinereous 70-80 x 3%/x, stout, rough, simple or regularly 

 branched, subfasciculate hairs. Disk pale orange when fresh, sub- 

 rufous when dry. Asci clavate-cylindrical, subsessile, 55-60 x 6-7,", 

 paraphysate, 8-spored. Sporidia uniseriate, globose, hyaline, smooth, 

 about Si, 'j. diam. 



Has the general appearance of Lachnella eorticalis (Pers. ) 

 Cyathicula quisquiliaris E. & E. 



On decaying leaves, petioles, &c, lying on the ground in woods, 

 Nuttallburg, West Va. May, 1893. (L. W. Nuttall). 



Gregarious, sessile, 1-1? mm. diam., cup-shaped, disk pale, with 

 a tinge of brick color when dry, dull, dirty white and furfuraceo- 

 squamulose outside, margin distinctly cleft-toothed and incurved 

 when dry. Asci cylindrical, subsessile, 55-65 x 6-7//, with filiform 

 paraphyses scarcely thickened above. Sporidia uniseriate, or sub- 

 biseriate above, elliptical, hyaline, continuous, 6-8 x 3—4//. 



Dermatea simillirca E. & E. 



On bark of Acer rubrum, cut for firewood, last winter. Newfield, 

 N. J. Oct. 1893. 



Cespitose or subseriate, but sometimes standing singly. Ascomata 

 short stipitate, yellowish-olive, disk concave, becoming nearly plane, 

 with a thick, obtuse margin, outside reddish, stipe stout, about \ mm. 

 long arising from a reddish carnose stroma. Asci clavate, 80-100 x 

 12-15//. Paraphyses stout, thickened, colored and subundulate 



