The present paper was based on the hyphomycetous fungi infecting leaves Pogostemon plectranthoids the confined to Dhamoni, North Sagar Forest Division, M.P. State. The hyphomycetes fungi are called the fungi imperfecti and are grouped in the class Deuteromycetes. The study was focused at the identification of a new species of Tripospermum (T.dhamonica sp. nov.) on living leaves of Pogostemon plectranthoids are the only one species found and compared with allied taxa.