REPORT OF THE STATE BOTANIST, I919 21 



Hysterium thujae (Roberge) comb. nov. 



(H. pinastri var thujae Roberge) 



On dead and languishing, fallen twigs of Arbor vitae. Thuja 



occidentalis L. Fourth lake, Herkimer county, H. D. House, 



August 8, 1 91 9. Also collected by Doctor Peck at Nortli Elba, on 



the same host. 



Lachnea coprinaria Cooke 



On cow dung. Piseco, Hamilton county. Dr C. H. Peck. Deter- 

 mined by Dr F. J. Seaver. 



Lophodermium exaridium Cke. & Peck 

 On leaves of Kalmia angustifolia. Near Fourth lake, 

 Herkimer county. H. D. House, August 14, 1919. Associated 

 with Sphaerella colorata Peck. 



Microdiplodia populi Dearness, sp. nov. 



Pycnidia black, rugose, shining, semi-immersed in the gray, 

 weathered surface of the wood, conic, 75-100 micr. in diameter; 

 ostiola short but distinct, pertuse; spores smoky brown, uniseptate, 

 7-9 X 3-4 micr. 



On decorticated weathered wood of P o p u 1 u s sp., La Junta, 

 Colorado. C. J. Pringle, No. 7, March 29, 1881. Type in the 

 herbarium of the New York Stale Museum. 



Merulius terrestris (Peck) Burt 



Near Albany, on and beneath much decayed coniferous wood. 

 H. D. House, October 15, 1919. Determined by Dr E. A. Burt. 



Originally described from Michigan as a variety of M. lacry- 

 mans, and since found in Vermont, Massachusetts and Nebraska 

 (Burt, Ann. Missouri Bot. Gard. 4: 3^16-47. 1917. 



Nectria sulphurea (Ell. & Calk.) Sacc. 



On an old decayed Agaric. Mechanicville, Saratoga county. Dr 

 C. H. Peck. Determined by Dr F. J. Seaver. 



Nigredo houstoniata (Schw.) J. Sheldon 

 On leaves of Houstonia longifolia. Glenmont, Albany 

 county. H. D. House, May 23, 1919. 



