Lethocolea (Symphyomitra) Grolle

II.Lethocolea subgen. Symphyomitra(Spruce) Grolle (Grolle 1972: 549) Symphyomitra Spruce (Spruce 1885: 503). Neoprasanthus S. Winkl. (Winkler 1969: 69) – Type species: Neoprasanthus granatensis S. Winkl. (= Lethocolea congesta (Lehm.) S. W. Arnell). Lethocolea sect. Pachycolea R. M. Schust. (Schuster 2021: 531) – Type species: Lethocolea glossophylla (Spruce) Grolle (= L. congesta (Lehm.) S. W. Arnell). Type species. Symphyomitra glossophylla Spruce (= L. congesta (Lehm.) S. W. Arnell). Description. Stems ventral surface green to brownish-green, stolons present or absent. Leaf cells with a densely papillose cuticle; oil bodies 1–3 per cell (usually 2), dark brown, often persistent in plants with distinct trigones (Fig. 3 G, H), ellipsoid to fusiform, 8–10 × 15–25 µm, brown, finely papillose, pupils (“ eye spots ”) absent. Antheridia 1 (– 6) per bract. Marsupia short-cylindrical, up to 3 mm long, wall 5–6 cells thick, marsupial canal lined by few papilliform cells (Grolle 1972). Capsules splitting to the base into 2–4 valves, with two adjacent valves sometimes remaining partially connate. Asexual reproduction by disciform gemmae absent. Distribution. One species in Africa, Central and South America, and on the south Atlantic Islands.