REPORT OF THE STATE BOTANIST IQI5 43 



Cercospora chionea E. & K. 



Lyndonville. On leaves of C e r c i s japonica. Dr C. E. 

 Fairman, August 1904. The spores are clavate and shorter than 

 given in the description of C . chionea, but appear to be closer 

 to that species than to C. cercidicola. 



Cercospora longispora Peck 



Sylvan Beach, Oneida county. On Lupinus perennis 

 Linn. H. D. House, July 3, 191 5. 



Cercospora rhoina C. & E. 



Near Schroeppel's Bridge, Oswego county. On leaves of Rhus 

 copallina L. H. D. House, August 13, 1915. 



Dothidella vacciniicola Dearness & House, sp. nov. 



Stromata nodular, subglobose, 1-2- mm in diameter at the base, 

 1-2 mm high, dark brown, reaching to the base of the cortex, 

 becoming hollow, subcarbonaceous. 



Ascigerous locules peripherical, mostly but not wholly in a single 

 layer, 6 or 7 to a mm, their position apparent in a surface view; 

 ostiola punctiform 120-150 /n wide, 150 /x deep. 



Asci linear to subclavate, tips subconnivent in the locules, 

 75-90x6-7 fi, paraphyses linear, 90-110 fi. 



Sporidia hyaline, nearly uniseriate, somewhat overlapping, uni- 

 septate, 10-12 x 5-6 p. 



Parasitic on living twigs of Vaccinium a t r o c o c c u m 

 (A. Gray) Heller, taken from herbarium plants collected at Bilt- 

 more, N. C. H. D. House, May 1912. 



Dothidella vaccinii Rostr. inhabits leaves and has 

 larger, appendaged sporidia. 



Dendrodochium pallidum Peck 



(Bui. Torrey Club 11, p. 50. Sacc. Syll. XI, p. 646) 

 The host for this species is given by Professor Peck as " rotten 

 wood." An examination of the original specimens collected near 

 Ottawa, Canada, by Professor Macoun shows that the host was 

 decorticated and somewhat decayed maple (Acer). 



Dendrophoma cephalanthi Peck 



On dead branches of Cephalanthus occidentalis L. 

 at Sylvan Beach, Oneida county. H. D. House, May 10 and June 

 21, I9I5- 



