Abstract
The paper presents the distribution and relative abundance of 123 taxa including 118 species belonging to 47 genera of the family Rubiaceae in Assam and North East Frontier Agency. The family is best represented in the tropical and subtropical evergreen and semievergreen forests, comparatively less abundant in deciduous forests and gressland vegetation, most poorly represented in temperate altitudes and altogether absent from subalpine and alpine situations. Hedyotis macrophylla Wall., Ixora finlaysoniana Wall. ex G. Don and Borreria ocymoides DC. have turned. up as new records for Eastern India. Similarly, Nauclea gageana King and Ophiorrhiza caudipetala C. B. Clarke not recorded by Hooker (1880, 1881), Cooke (1904), Gamble (1921), Haines (1922), Mooney (1950) and Kanjilal et al. (1939) in their respective floras, have also been collected from this area. The specie of economic importance have also been listed under different categories on the basis of utility.
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