Comprehensive Description
provided by North American Flora
Macromitrium dubium Schimp. in C. Mull
Syn. 1:723. 1849.
Macromitrium vernicosum Schimp.; Besch. Ann. Sci. Nat. VI. 3: 202. 1876.
Secondary stems robust, branching, densely foliate; leaves 6-8 mm. long, narrowly lanceolate, gradually narrowed to a long, narrow apex, carinate at the base, the margins plane, distantly and faintly dentate above; costa percurrent; leaf-cells narrowly linear throughout, the incrassate cell walls nearly as wide as the lumen; perichaetial leaves shorter; seta smooth, up to 10 mm. long; capsules obovoid, the urn smooth, up to 2 mm. long; calyptra without hairs; operculum long-subulate; peristome apparently lacking.
Type locality: St. Kitts (type examined). Distribution: St. Kitts; Guadeloupe.
- bibliographic citation
- North American flora. vol 15A (1). New York Botanical Garden, New York, NY
