REPORT OF THE STATE BOTANIST, I919 33 



Periconia pycnospora Fres. 

 Pleospora herb arum (Pers.) Rabh. 

 Venturia cassandrae Peck 

 " k a 1 m i a e Peck 



Alternaria tenuis Nees 



Attacking and killing the marginal and terminal tissues of leaves 

 of the wild bean, Glycine apios L. (Apios tuberosa) 

 Long Pond, Monroe county, August 22, 1918. H. D. House. 



Ascochyta thaspii E. & E. 

 On living leaves of Thaspium barbinode. Trenton Falls, 

 August 25, 1918. H. D. House. 



Cercospora cypripedii Ell. & Dearn. 



On living and languishing leaves of the showy lady's-slipper 

 Cypripedium reginae Walt. Castle swamp, Oneida, Madi- 

 son county, August 2.'], 1918. H. D. House. 



Cercospora epigaeae Ell. & Dearn. 



On languishing leaves of the trailing arbutus, Epigaea 

 r e p e n s L., in the pine plains north of New London, Oneida 

 county, June 17, 1918. H. D. House. At the same place, August 2.^, 

 1918 (material rather old), and at North Bay, Oneida county, June 

 17, 1918. 



Cercospora ziziae E. & E. 



On living leaves of Thaspium barbinode ( Michx. ) Nutt. 

 Trenton Falls, Oneida county, August 25, 1918. H. D. House. The 

 only other collection of this in the state herbarium was made on this 

 host and at the same locality several years ago by Doctor Peck. 



Dendrophoma pruinosa (Fr.) Sacc. 

 On dead twigs of black ash, Fraxinus nigra Marsh. Oneida. 

 Madison county, July 8, 1918. H. D. House. 



Dermatea lobata Ell. 

 On dead twigs of white oak. Quercus alba L.. IsHp, Long 

 Island, May 24, 1895. Dr C. H. Peck. The specimen possesses 

 thick paraphyses and sporidia 11-13x8-9 /^ 



