MATERIALS AND METHODS
Herbarium specimens were critically examined and identified with help of the relevant literatures (HMG/N, 1969; Hooker, 1872-1897; Hara et al ., 1978; Hara & Williams, 1979; Hara et al ., 1982; Stainton & Polunin, 1984; Stainton, 1988 and Press et al. , 2000). E[r]