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The paper presents the main features of geology, topography, climate and vegetation met with in Rajmahal hills and enumerates 364 species of angiosperms, 13 species of Pteridophytes, and 16 species of mushrooms collected during a short tour undertaken in December, 1957. An analysis of different plant communities characterising various habitats and of the floristics and distribution of species collected brings up 9 species viz. Arthraxon castratus (Griff.) Narayanaswami, Bidens biternata (Lour.) Merr. & Sherff., Carpesium cernuum Linn., Cyathula prostrata Bl., Echinocarpus murex Benth., Epilobium angustifolium Linn., Evolvulus nummularius Linn., Hygrophila salicifolia T. And., Inula eupatorioides DC. as new records of species and Cyathula as new record of genus for Bihar. A new combination, viz. Embelia tsjeriam-cottam (R. & S.) A. DC. var.ferruginea (Wall.) Panigrahi comb. nov. is proposed.
G. Panigrahi (Mon,) studied this question.