. 7. Genus RHABDOWEISSIA, B. & S. 
Whole Plant — Perennial, short. 
Stem — Diohot-omons, erect, tufted, from ^ to |-incli in height. 
Leaves — Linear, lanceolate, toothed^ crowded, spreading, curved, areolse pellucid, hexagonal at the base, subquadrate 
upwards. 
Infloeescence — Monoicons. 
Barren Flower (Antheridia) — Genuniform. 
Fertile Flower (Archegonia) — Very small. 
Vaginula — Oblong. 
Capsule — Erect, on a slender straight fruit stalk, oval, striated. 
Calyptra — Cuoullate. 
Operculum — With a slender inclined beak. 
Annulus — Persistent, narrow. 
Peristome — Very similar to Weissia. 
Spores — Small, roundish, or oval. 
• General Habitat — Crevices of rocks, in alpine situations. Fruit : — June, July. 
Species Illustrated — Ehabdoweissia fugax (B. & S.). 
Reference to Plate — a, Plant, natural size ; aa, Same, X 2-in. ; h, Leaf, X 1-in. ; 66, Same, x 1-in. ; c, Apex of leaf, X ^-in. ; 
d, Cellules of mid-leaf and portion of nerve, X ^-in, ; /, Capsule, X 1-in. ; g, Operculum, X 1-in. 
This genus is represented in Britain by two species. 
9. Genus BRACHYODUS, N. & H. 
Whole Plant — Very small, triennial, similar in appearance to a Seligeria, from i to J-inch in height. 
Stem — Very short, single or forked, gregarious. 
Leaves — Setaceous, crowded, partially erect, areolee dense, nerve prominent. ■ 
Inflorescence — Monoicous. 
Barren Flower (Antheridia) — Terminal. ' 
Fertile Flo-joer (Archegonia) — Terminal. 
Vaginula — Cylindrical. 
Capsule — Small, ovate on a slender fruit stalk, somewhat striated. 
Calyptra — Conical and lobed. 
Operculum — Convex, with an inclined beak. 
Annulus — Broad. 
Peristome — Simple, with 16 short teeth. 
Spores — Very small. 
General Habitat — On sandstone rocks. Fruit : — Spring. 
Species Illustrated — Brachyodus trichodes (N. & H.) 
Reference to Plate — a, Plant, natural size; aa, Same, X 2-in.; 6, Leaf, X 1-in.; 65, Same, X 1-in.; c. Apex of leaf, X i-in. ; 
cc, Basal cells of leaf, X ?-in. ; /, Capsule, with operculum, x 1-in. ; h, Calyptra, X 1-in. 
This genus is represented in Britain by the species figured. 
10. Genus SELIGERIA, B. & ScL 
Whole Plant — Small, gregarious, perennial. 
Stem — Simple, very short in some species, longer in others, tufted. 
Leaves — Ovate-lanceolate, strongly nerved into a subulate point, very rigid ; areolation dense, except the base of the leaf, 
where the cellules are large and almost quadrate. 
In rLORESCENCE — Monoicous . 
Barren Flower (Antheridia) — Gemmiform, terminal. 
Fertile Flower (Archegonia) — Gemmiform, terminal. 
Vaginula — Cylindrical. 
Capsule — Pyriform or elongated, on a curved or upright pedicle; mouth wide. 
Calyptra — Cuoullate, short. 
Operculum — Large, short, rostrate. 
Annulus — Wanting. 
Peristome — Single, 16 teeth, obtuse or lanceolate. 
General Habitat — On calcareous rocks chiefly. Fruit : — Spring and summer. 
Species Illustrated — Seligeria calcarea (Br. & Sch.), and Seligeria calcicola (Mitten). 
Reference to Plate — Calcarea — a. Plant, natural size; aa, Same, X 2-in.; 6, Leaves of same, X 1-in.; c. Apex of 
leaf, X i-in. ; /, Capsule, X 1-in.; //, Teeth of Peristome, X i-in. ; g, Calyptra, X i-in. ; h, Spores, 
X i-in. Calcicola — a. Plant, natural size ; 6, Leaf of same, X 2-in. ; /, Capsule, X 1-in. ; //, Teeth 
of Peristome, X i-in.; g, Operculum and Calyptra, X 1-in.; Spores, X i-in. 
This genus is represented in Britain by six species, according to Hobkirk. 
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