Notes are presented on the following taxa: Anacardiaceae: Semecarpus pseudo-emarginata Kosterm. sp. nov. Clusiaceae: Calophyllum moonii Thw., C. calaba L., C. thwaitesii PI. & Tr., C. acidus Kosterm., sp. nov., C. lankaensis Kosterm., sp. nov., C. trapezifolium Thw. Mesua sclerophylla Thw. is reinstated to specific rank. Ebenaceae: Diospyros okkesii Kosterm., sp. nov. Icacinaceae: Nothapodytes foetida (Wight) Sleumer, var. gardneriana (Miers) Thw. is raised to specific rank as N. gardneriana (Miers) Kosterm., comb, nov.; N. zeylanica Kosterm., sp. nov. Meliaceae: Aglaia apiocarpa (Thw.) Hiern, A. congylos Kosterm,, sp. nov., Pseudocarapa championii (Hk. f. & Th.) Hemsley, Amoora rohituka W. & A, Rubiaceae: Dichilanthe ceylanica Thw.