Macromitrium podocarpi C. Müller 1898

Macromitrium podocarpi C. Mull
Bull. Herb. Boiss. 6: 96. 1898.
Plants in dense mats on trees and shrubs, brownish-green; secondary stems about 1 cm. long, sparingly branched, densely tomentose below; leaves strongly crisped when dry, openflexuous when moist, up to 2.25 mm. long, narrowly lanceolate, acute to apiculate, entire, deeply canaliculate, often slightly undulate; costa strong, nearly or quite percurrent; upper leaf-cells subcircular, about 6 p. in diameter, incrassate, bulging to somewhat mammillose, gradually elongating in the lower third into the oblong to linear basal cells, oblong and tuberculate near the costa, linear and smooth near the margins; perichaetial leaves rather shorter; dioicous; seta about 5 mm. long, smooth; capsules obovoid, ribbed and contracted under the mouth when dry, the urn including the short neck 1.5 mm. long; calyptra smooth, deeply laciniate; operculum rostrate; peristome double, the outer of somewhat united, truncate teeth, the inner a lighter-colored membrane of about the same length; spores minutely roughened, about 15 fi in diameter.
^ T Y rE, LOCALITY: Serra Itabria de Campo, Minas Geraes, Brazil (Ule 1066, issued as Bryoth. Brasil. 227.)
Distribution: South America; Costa Rica (Standley 4167 in herb. N. Y. Bot. Gard.; 52602 in U. S. Nat. Herb.); Honduras {Yuncker et al. in herb. Bartram).