69. Genus (EDIPODIUM, Schwcegr. 
Whole Plant — Perennial, csespitose, or gregarious, growing in glaucous green tufts, in the crevices of rocks, about 1 inch 
in height ; a singular plant. 
Stem — Simple, scarcely any, very succulent. 
Leaves — Roundish, large, tapering and narrow towards the base, strongly reticulated, the nerve disappearing below the 
apex. 
Infloeescence — Monoicous or synoicous. 
Barren Flower (Anthekidia) — Oblong, large, with paraphyses. 
Fertile Flower (Archegonia) — With paraphyses, styles short. 
Vaginula — Oblong. 
Capsule — Eoundish-pyriform, with a thick succulent fruit stalk, orange-red at first, passing into golden-brown 
as it matures. 
Calyptra — Narrow, fugacious. 
Operculum — Conical. 
Peristome — None. 
Annulus — None. 
Spores — Eather large. 
General Habitat — Crevices of rocks on the Mountains of England, Scotland, and Wales. " Not known to grow in any 
other country." — Bry. Brit. Fruit: — July, August. 
Species Illusteated — CEdipodinm Griffithiannm (Schwsegr.). 
Reference to Plate — a, Plant, natural size ; 6, Stem leaf, X 2.in. ; c. Basal portion of leaf, X 1-in. ; d, Capsule, X 
2.in. 
This genus is represented in Britain by the species figured. 
70. Genus SCHISTOSTEGA, Mohr. 
Whole Plant — Annual, a very elegant delicate little plant, having a confervoid appearance when young, growing in Sand- 
stone Caves, of a bright shining green colour, about J or f of inch in height ; fructification terminal. 
Stkm — Simple, crowded, very tender, naked at bottom; fertile stem: — leafy only at the summit, having a rosaceous tuft ; 
barren stem : — shaped like the frond of a fern. 
Leaves — Oval, or lanceolate, plane, acute, nerveless, areolae large, rhomboid, pale, glaucous green, shining. 
iNrLOEESCENCE — Dioicous. 
Barren Flower (Antheridia) — Subsessile, gemmiform. 
Fertile Flower (Aechegonia) — Solitary. 
Vaginula — Oblong, leafy. 
Capsule — Oval or subglobose, small, erect, yellowish -brown when young, red-brown as it matures, terminal on an 
elongated yellow pellucid thick fruit stalk. 
Calyptra — Very small, conical, or dimidiate. 
Operculum — Convex. 
Peristome — None. 
Annulus — None, or very imperfect. 
Spores.— Yellowish, very minute. 
General Habitat — Sandstone, caves, moist banks in several of the Midland and North Western Counties of England. 
Fruit : — March. 
Species Illusteated — Schistostega Osmundacea (Web. and Mohr.) Schistostega pennata (Hook, and Tayl.). 
Reference to Plate — a, Plant, natural size ; aa, Plant, x 2-in. ; h, Portion of stem and leaves, X 1-in. ; c, Apex of leaf, X 
i-in. ; d, Basal cellules, X i-in. ; /, Capsules, x 1-in. 
This genus is represented in Britain by the species figured. 
" The only genus of this beautiful and singular family." 
71. Genus FISSIDBNS, Hedw. 
Whole Plant — Perennial, suberect, or decumbent, CEespitose, or gregarious, frond-like, bright or brownish-green, growing on 
rocks, or on the ground, height from 5 inch to 2 or 3 inches. 
Stem — Branched, erect, or decumbent, more or less fasciculate. 
Leaves — Distichous, alternately inserted on opposite sides of the stem, distant, ovate-lanceolate, more or less acute ; nerve 
ceasing at or near the apex ; areolse opaque, filled with chlorophyll. 
INrLOEESCENCE — Monoicous or dioicous. 
Barren Floiver Antheridia) — Few ") pj^j.^pjj g 
Fertile Floiver (Aechegonia) — Few j ^ ^ 
Vaginula — Oblong. 
Capsule — Erect, or cernuous, oblong, red-brown, on a long fruit stalk. 
Calyptra — Cucullate, or dimidiate. 
Operculum — Rostellate, or conical. 
Peristome — Single, red, lanceolate at the base. 
Annulus — Obscure. 
Spores — Small, smooth. 
General Habitat — Shady banks by the sides of ditches in a clayey soil, moist rocks in mountainous districts. Fruit : — 
Spring, winter. 
Species Illustrated — Fissidens bryoides (Hedw.). 
Reference to Plate — a, Plant, natural size; aa, Plant, X 2-in.; h. Stem-leaf, X 1-in. ; c, Apex of leaf, x i-i"- /, Capsule, 
X 1-in. ; ff, Teeth of Peristome, X i-in. ; g. Spores, X 5-in. 
This genus is represented in Britain by twelve species, according to Hobkirk. Wilson enumerates eight. 
7ses none. 
23 
