gibbous; calptra small, entire at base, scarcely covering the conical lid. 99.
Sub-div. II. Calyptra dimidiate.
a. Calyptra inflexed at base, at first conico-mitriform, caps. clavato-pyriform; teeth 16 or 32 plane, more or less paired, with a medial line.
Dissodon (68). Caps. oval, with a long solid tapering neck, lid conico-convex, obtuse, teeth 32, united into eight bigeminate teeth, or into 16 pairs, linear-lanceolate, incurved when dry; leaves obtuse entire. Infl. monoicous or synoicous, barren fl. gemmiform. 134.
Tayloria (67). Caps. with a long clavate or sub-pyriform neck; teeth 16, or 32 cohering in pairs, reflexed when dry; leaves acuminate serrated. Infl. monoicous; barren fl. capituliform. 134.
b. Calyptra not indexed at base.
- Teeth in eight pairs, reflexed when dry.
Tetraplodon (66). Caps. with a solid clavate or oval apophysis wider than itself; leaves loosely reticulated, acuminate. Infl. monoicous, barren fl. gemmiform or capituliform, 3-5-leaved. 134.
Zygodon (37) (partly). Caps. erect, pyriform, striated, apophysate. Perist. double, single, or absent; outer teeth
