54 NEW YORK STATE MUSEUM 



On dead stems of Chenopodium album. Orient, N. Y. 

 Roy Latham, April 19, 191 5. 



Many of the pycnidia are small, nearly circular bodies and were 

 it not for the usually distinct ostiola this might be taken for a species 

 of Melophia. 



Leptothyrium castanicolum E. & E. 



On fallen leaves ofCastanea dentata. Bolton, Warren 

 county, N. Y. C. H. Peck, September 12, 1901. 



Lophiostoma insidiosum (Desm.) Ces. & DeNot. 

 On dead decorticated shoots of Sambucus canadensis 

 L. North Greenbush. C. H. Peck, June (year not indicated). 

 This fungus has been identified in Europe upon a wide range of 

 hosts and is also subject to great variation, no less than thirteen 

 forms being mentioned by Saccardo (Syll. 2: 704). 



Lophiotrema praemorsum (Lasch) Sacc. 



On dead stems ofRubus strigosus. West Albany. C. H. 

 Peck, October. (Reported as Lophiostoma jerdoni B. & 

 Br.) . Catskill mountains, on dead stems ofRubus odoratus. 

 C. H. Peck (reported as Lophiostoma bicuspidata 

 Cke.). 



Macrosporium saponariae Peck 



On living and languishing leaves of S i 1 e n e s t e 1 1 a t a . 

 Karner, Albany county, N. Y. H. D. House, October 28, 191 6. 



Marsonia potentillae (Desm.) Fisch. 



On living and languishing or nearly dead leaves of Argentina 

 anserina, (L.) Rydb. (P o t e n t i 1 1 a anserinaL), North 

 Bay, Oneida county. H. D. House, August 17, 1917. 



Ascochyta colorata Peck, represented by several col- 

 lections on leaves of Fragaria, in the state herbarium, seems to be 

 the same. Both have somewhat curved hyaline spores 19 to 22 x 

 4 to 4.5 fi. Marsonia p o t e n t i 1 1 a e is said by Fuckel to be 

 the conidial stage of Venturia potentillae (Fr.) Cooke.. 

 Not reported from New York under that name, although Peck 

 lias collected it at North Greenbush on Potent ill a cana- 

 densis and determined by him as Dothidea potentillae 

 (Schw.) 



