Four species of Dendrobium Sw. i.e. D. indragiriense Schltr., D. salaccense (Blume) Lindl., D. cathcartii Hook.f., and D. haemoglossum Thwaites under its section Grastidium (Bl.) J.J.Sm., known in India are enumerated here. A new subspecies under D. haemoglossum collected from the Similipal forest in Odisha is also described here.