Abstract
A new epiphyllous Lejeuneaceae genus, Papillolejeunea is described. It is a segregate of Lejeunea, characterized by a large, 2-4 celled, stout, papilla like first (distal) tooth on a well developed, inflated lobule, while the second (proximal) tooth is reduced, blunt, hidden with the usually involuted free lobule margin. Four new species are described within the genus. One, Papillolejeunea balazsii, forms the Section nov. Papillolejeunea and the type of the genus, characterized by large number of serially arranged mucilage cells on the dorsal surface and margin of the lobe, at the margin of amphigastria and on the perianth keels. Three further species, Papillolejeunea candida, Papillolejeunea papuana and Papillolejeunea touwii constitute the Section nov. Candidae, where no such dorsal and marginal glands occur. The distribution of the genus seems to be restricted to the mountainous area of New Guinea.
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