REPORT OF THE STATE BOTxVNIST I915 43 



Cercospora chionea E. & K. 



Lyndonville. On leaves of C e r c i s j a p o n i c a . 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. Qn 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, i\ugust 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 /x wide, 150 /x deep. 



Asci linear to subclavate, tips subconnivent in the locules, 

 75-90x6-7 fx, paraphyses linear, 90-110 ^i. 



Sporidia hyaline, nearly uniseriate, somewhat overlapping, uni- 

 septate, 10-12 x 5-6 /x. 



Parasitic on living twigs of Vaccinium atrococcum 

 (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, 1915. 



