74 ^'EW YORK STATE MUSF.UM 



Mycosphaerella punctiformis (Pers.) Johanson 



On fallen leaves of Fagus grandifolia Ehrh. Oneida, 

 Madison county. H. D. House, June 2, 1923. 



Mycosphaerella verbascicola (Schw.) Fairman 



On dead stems of Verbascum Thapsus L., Westernville, 

 Oneida county. H. D. House, June 2, 1923, associated with P h o m a 

 verbascicola Sacc, with very minute spores, and which is 

 doubtless a stage of the Mycosphaerella. 



Metasphaeria aulica (C. & E.) Sacc. 

 On dead stems of Eupatorium purpureum L.. New- 

 comb, Essex county. H. D. House, June 23, 1923. Previously 

 reported^^ on stems of Triosteum aurantiacum Bicknell. 



Metasphaeria leiostega (Ell.) Sacc. 

 On dead stems of Rosa blanda Ait., Newcomb, Essex 

 county. H. D. House, June 28, 1923. The sporidia in this material 

 are 8-1 1 fi wide, while the original description gives them as only 

 7-8 fi wide. Doctor Fairman^^ has reported this species from west- 

 ern New York. 



Metasphaeria microecia E. & E. 

 On dead twigs of Acer spicatum Lam. Newcomb. Essex 

 county. H. D. House, June 20, 1923. 



Leptosphaeria borealis E. & E. 



var. Populi Dearness & House, var. nov. 



Immersed in the decorticated wood of the host, and dififering 

 from the type on Salix in the sporidia varying from three to five- 

 septate and in being constricted at the septa. The sporidia are 

 irregular in size and shape but are mostly 19-22 x 6-9 fi, and become 

 very dark colored ; paraphyses abundant and branching. 



North Elba, Essex county, on decorticated branch of P o p u I u s 

 balsamifera L. C. H. Peck (year of collection not indi- 

 cated) . Intermediate between Leptosphaeria borealis 

 E. & E. and Leptosphaeria consimilis E. &E. 



22 N. Y. State Mus. Bui. 233-34 : 38. 1922. 

 «3 Journal of Mycology 5:79. 1889 



