REPORT OF THE STATE BOTANIST, I919 29 



29 Mycosphaerella perparva (Sacc.) 



Sphaerella minutissima. Peck, not West. S p h - 

 aerella perparva Sacc. 

 On dead leaves ofAlnus incana, hanging on tree, Marcy 

 landing, Essex county. Peck, type. On fallen leaves of A 1 n u s 

 V i r i d i s , Marcy trail, Essex county, Peck. 



30 Mycosphaerella pinsapo (Thum.) 



Sphaerella pinsapo Thum. 

 On fallen leaf-twigs of Thuja o c c i d e n t a 1 i s . Port Henry, 

 Peck. 



30 Mycosphaerella plantaginicola (Schw.) Dearness. p. 38 

 Sphaeria plantaginicola Schw. 

 On languishing leaves ofPlantago major. New London, 

 Oneida county. House, 1918. 



;^2 Mycosphaerella pontedereae (Peck) 



Sphaerella pontedereae Peck. Sphaerella 

 p a 1 u d o s a E, & E. 

 On leaves of Pontederia cordata. Whitehall, Peck, 

 type. On leaves of Nymphaea ad vena. Hempstead, Long 

 Island, House. 



2,T, Mycosphaerella populifolia (Cooke) 



Sphaerella populifolia Cooke 

 On fallen leaves of Populus balsamifera. North Elba, 

 Peck. 



34 Mycosphaerella populnea (Sacc.) 



Sphaerella populnea Sacc. Ann. Myc, 13:115. 

 1915. On leaves of Populus balsamifera. Tupper 

 Lake, House, 191 3. 



35 Mycosphaerella punctiformis (Pers.) Johans. 



Sphaeria punctiformis Pers. Sphaerella 

 s p a r s a ( Wallr. ) Auersw. Sphaerella puncti- 

 formis Rabh. 

 On fallen leaves of : 

 Acer saccharum, Helderberg mountains, Peck. 

 Betula lenta, Spruce pond, Essex county, Peck. 

 Betula lutea, Angola, Clinton. 

 Castanea dentata. North Greenbush, Peck. 



