Three New forms of Genus Corynespora gussow from North Western Tarai forests of U.P.

This communication deales with the descriptions and illustrations of hitherto undescribed species of phytopathogenic foliar hyphomycetes viz., Corynespora bahraichina Singh and Mall sp. nov. on Croton roxburghii (Euphorbiaceae), Corynespora carissae Singh and Mall sp. nov. on Carissa carandas (Apocynaceae) and Corynespora celastricola Singh and Mall sp. nov. on Celastrus paniculatus (Celastraceae) collected from North Western Tarai Forests of U.P. The type specimens have been deposited in H.C.I.O., IARI, New Delhi and their accession number have been allotted. Morphotaxonomic determinations have been done by comparing with allied taxa in questions and consulting the available literature.