REPORT OF THE STATIi UOTANIST I'OR I92I 75 



lythri (Desm.) v. Holin., and the conidial stage of Pezizella lythri 

 (Desm.) Shear & Dodge, The pycnidial stage is given as Sclero- 

 tiopsis concava (Desm.) Shear & Dodge, and the ascogenous stage 

 has formerly been known as Pezizella oenotherae (C. & E.) Sacc. 



Harknessia foeda Saccardo & Dearnes>s 

 On partially dead foliage of Thuya o c c i d c n t a 1 i s L. 

 Newcomb, Essex county, //. D. House, September 6. 



Haplosporella dulcamara Dearness & House, sp. nov. 



Stromata externally black, scattered to crowded, erumpent, tuber- 

 cular to elongate, often in parallel lines, .5 to .75 mm in width, 

 seated in the cortex and bordered by the upturned cuticle, two to 

 twenty or more j>ycni(lia in a stroma, usually whitish in cross-section. 

 Conidia oblong or many of them curved, nucleate, tardily brown, 

 17-19 X 6-7 /J., with walls i /x thick, on pedicels 5-20 /x long. 



On dead stems of S o 1; a n u m Dulcamara h. Sandlake, 

 Rensselaer county, Dr C. H. Peck (Type), year not indicated. 

 Orient, Long Island, Roy Latham, 1916. South Bay, Madison 

 county, H. D. House, September 19, 19 19. 



Hcterosporium gracile (Wallr.) Sacc. 

 On living and languishing leaves of cultivated Iris, Iris 

 g e r m a n i c a L. Munnsvillc, Madison county, H. D. House, 

 October 13. 



Hypoxylon fusco-purpureum (Schw.) Berkeley 

 On dead limbs of black ash, Fraxinus nigra Marsh. 

 Caroga, Fulton county, Dr C. H. Peck, July (year of collection 

 not indicated). 



Leptostromella scirpina Peck 

 On dead leaves of S c i r p u s f 1 u v i a t i 1 i s (Torr.) Gray. 

 Albany, H. D. House, June 2, 1917 and August 26, 1919. On 

 dead leaves of Scirpus cyperinus (L.) Kunth, Pecks- 

 port, Madison county, //. D. House, May 18, 1918. 



Metasphaeria complanata (Tode) Sacc. 

 On dead stems of C h e n o p o d i u m a 1 b u m L. Albany, 

 PI. D. House, January 6, 1918. 



Microdiplodia populi Dearness & House 

 On dead twigs of Populus nigra var. italica DuRoi. 

 Albany, H. D. House, May 13, 191 7. Originally described from 

 Colorado material collected by Pringlc. 



