CRITICAL AND ADDITIONAL NOTES ON ORCHIDS OF HAINAN, CHIN A
中国海南兰科植物的增补与修订

The orchids in Hainan were reported containing 58 genera, 143 species and two varieties in Flora Hainanica (1977). Since then a number of papers have been published and many specimens collected. The present paper deals with new, little known or noteworthy orchids in Hainan,concerning 36 genera,57 species and one variety,of which two (Bulbophyl-lum obtusiangulum Tsi,Sunipia hainanensis Tsi) are new to science and 18 new to Hainan,In addition,one new name (Ceratostylis hainanensis Tsi) is proposed and five names are reduced to synonyms. So far,there are altogether 68 genera, 178 species and three varieties of orchids known from Hainan Island.