Contributions to the flora of Ceylon. (Sri Lanka)

An investigation into the Flora of the Polonnaruwa District (southern part*) has revealed the existence of additional taxa in the Flora of Ceylon (Sri Lanka). These include a new species of Rbinacambus Nees, two new species records for the country, and a distributional record for the dry low country (inclusive of Polonnaruwa District) in Cambium puberulum Thwaites ex Hook f., a rare endemic species of the Rubiaceae, hitherto 1q)own only from the Central Province. Ecology notes provide additianal data to specific descriptions of specimens encountered in the field. Respective illustrations of the species described are provided.