Herbertus runcinatus (Taylor) Kuhnem.
Fulford, Margaret H. 1963. Manual of the leafy Hepaticae of Latin America--Part I. Mem. New York Bot. Gard. 11: 1-172.
Species Description - Plants of small to medium size, light to dark brown, often reddish, in tufts or scattered among other bryophytes; leafy stems 3-5 cm long, with leaves to 2 mm wide (when dry), rarely branched. Line of leaf insertion transverse. Leaves erect-spreading, imbricate below, asymmetric, 3-5 mm long, 1-2 mm wide, bifid to the middle or below; segments long, lanceolate, the dorsal segment the larger, the tips acuminate by a few hyaline cells, the vitta often scarcely conspicuous in light-colored leaves, ending below the apex, the margins entire or crenulate; lamina ovate, the margins convex, with few to many appendages in the lower half, the vitta bifurcating some distance below the sinus; leaf cells with very thick walls, large trigones, and large thin-walled pits, the cuticle rough, often warty. Underleaves similar to the leaves, symmetric, the segments more or less erect. Plants dioicous. Male inflorescence terminal becoming intercalary oil the stem, the bracts and bracteoles like the leaves, pouched. Female inflorescence and sporophyte not seen. Fig. 11, a-g.
Sendtnera runcinata T. Taylor, London Jour. Bot. 5: 372. 1846. Schisma reicheanum Stephani, Spec. Hep. 4; 20. 1909. Schisma runcinata (Taylor) Stephani, Spec. Hep. 4: 21. 1909. Schisma ferrugineum Stephani, Sv. Vet.-akad. Handl. 469: 72. f. 28 a. 1911.
Habitat: On trees, tree bases, logs, rarely on rocks or soil, in forests.
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