MOLLISIA 207 



16. Mollisia Asclepiadis Ellis & Ev. Proc. Acad. Sci. Phila. 1895-. 

 428. 1895. 



Apothecia at first covered by the epidermis, then erumpent- 

 superficial, circular, .75 mm. in diameter, pale slate-colored, 

 the margin coarsely toothed, or subentire; hymenium plane to 

 convex; asci cylindric, 8-spored, reaching a length of 55-60 /x 

 and a diameter of 6 m; spores for the most part 2-seriate, ellipsoid, 

 or subinequilateral, with usually two oil-drops, 3 X 8-10 m; 

 paraphyses slender. 



On dead stems of Asclepias. 



Type locality: London, Canada. 



Distribution: Known onl)- from the type locality. 



ExsiccATi: Ellis & Ev. N. Am. Fungi 3334. 



17. Mollisia subcinerea (Rehm) Seaver, comb. nov. 

 Mollisiopsis subcinerea Rehm, Ann. Myc. 6: 315. 1908. 



Apothecia gregarious, sessile, at first globose-closed, then 

 expanding, .3-1 mm. in diameter, externally brownish, when dry 

 margin inrolled; hymenium hyaline, yellowish when dry; asci 

 clavate, reaching a length of 45-50 ii and a diameter of 6-7 n, 

 8-spored; spores subclavate, straight, 2-seriate, 2 X 8-9 ju; pa- 

 raphyses lanceolate, 4 5 n in diameter, prominent. 



On dead stems of Thalictrum; also reported on aspen stems. 



Type locality: Lyndonville, New York. 



Distribution: New York and Michigan. 



Distinguished from Mollisia cinerea by its lanceolate pa- 

 raphyses. 



18. Mollisia exigua (Cooke) Seaver, comb. nov. 



Peziza exigua Cooke, Hedwigia 14: 83. 1875. 

 Pezizella exigua Sacc. Syll. Fung. 8: 283. 1889. 



Apothecia scattered, minute, scarcely visible to the unaided 

 eye, sessile, subtremellose, cup-shaped, finally plane, or convex, 

 the margin scarcely elevated; asci minute, lanceolate; spores 

 linear scarcely 5 n long. 



On stems of Erigeron. 



Type locality: New Jersey. 



Distribution: Known only from the type locality. 



Cooke in describing the species states: "Oculo nudo incon- 

 spicua." Specimens in The New York Botanical Garden are 



