Trichostomum rivale (Mitt.) A.Jaeger
-
Authority
Britton, Nathaniel L. & Millspaugh, Charles F. 1920. The Bahama Flora.
-
Family
Pottiaceae
-
Scientific Name
-
Description
Species Description - Plants in dense bright green or yellowish cushions. Stems up to 5-10 mm. high, usually simple; leaves crowded, curled and twisted when dry, 2-3 mm. long, base erect, clasping, the tips narrower and spreading when moist; vein smooth, excurrent into the mucronate apex; margins entire, incurved above the middle; basal cells lax with longer cells on the margins, extending up the blade to the papillose cells of the tip; upper cells densely papillose on both surfaces. Only found sterile in the Bahamas. Dioicous. [Pedicel yellow, erect, 15-20 mm. long; capsule 2-3 mm. long, erect, eylindric; calyptra cucullate; lid conic-beaked; peristome single, of 16 slender, erect or slightly twisted, papillose, bifid teeth, often disappearing and leaving only a ragged membrane; spores rough, brown, maturing in spring.] Very closely related to Trichostomum jamaicense Mitt.
-
Distribution
On rocks and in pine-barrens, Marsh Harbor, Abaco: Cuba; Jamaica and Puerto Rico. Rock Trichostomum.
Great Abaco Bahamas South America| Cuba South America| Jamaica South America| Puerto Rico South America|