2 . Campylopus atratus Broth. Trans. Linn. Soc. London Bot. s er. 2.6: 89. 1901, not Bartram, Contr. U.S. Nat. Herb. 26: 61. 1928.
This interesting species is only known from the locality (Mount Roraima, UPC summit, 2200 m). It is easily recognized by the tubulose leaves with cell walls pitted nearly to apex. Brotherus’ name has been omitted in lndex Muscorum.
Type specimen: McConnell & Quelch 527, British Guiana (K).