PELLIA.—Plant of P. epiphylla; calyptra with base of pedicel; capsule; an elater, part of same, two spores, and two antheridia.
BLASIA.—Plants of B. pusilla; section of cavity at the end of the midrib showing young perianth and calyptra; end of thallus with calyptra and protruding capsule; capsule dehiscing; elaters and spores; part of elater and two spores; ♂ thallus with two antheridia; gemmiparous thallus with two receptacles; section of a receptacle showing enclosed gemmæ and the protruded orifice.
METZGERIA.—Plants (♂, ♀, and gemmiparous) of M. furcata, and parts of same enlarged; hispid perianth with 2-lobed involucral leaf and base of pedicel; a gemma; an antheridium; elaters and spores.
ANEURA.—Plants (♂ and ♀) of A. sessilis; section of fleshy calyptra with base of pedicel; dehiscing capsule bearded by persistent elaters; elater, part of same, and spores; part of thallus with long deflexed ♂ receptacles, and one cut transversely showing antheridia.
FOSSOMBRONIA.—Plant of F. pusilla, and a part enlarged; capsule dehiscing, with perianth and involucral leaves; part of stem with two leaves and dorsal antheridia; an antheridium, elaters, and spores.
GEOCALYX.—Plant of G. graveolens; two pairs of leaves with underleaves; part of stem with an underleaf; section of involucre showing calyptra and base of pedicel; dehiscent capsule; elaters and spores.
GRIMALDIA.—Parts of ♂ and ♀ plants of G. barbifrons; section of ♂ disk; ♀ receptacle and section of same; dehiscent capsule; elaters and spores.