A New Species of Ilex from Hunan Province Studies on chemical constituents of llex pernyi A Taxonomic Revision of Ilex melanophylla H.T.Chang of Aquifoliaceae SOME NEW TAXA OF AQUFOLIACEAE AND CELASTRACEAE FROM XIZANG Two new triterpenoid glycosides from leaves of Ilex latifolia Chemical constituents in roots of Ilex kudingcha