63. Genus CATOSCOPIUM, Bridel. 
Whole Plant — Perennial, growing in tufts, in sub-Alpine places, erect, with a remarkable peculiar capsule and soft green 
leaves, from 2 inches to 3 inches in height. 
Stem — Dichotomous, slender, radiculose. 
Leaves — Lanceolate, carinate, 8 in a row, spreading, nerve ceasing below the apex, areola small, opaque, or quadrate. 
Ij^ploeescence — Dioioous. 
Barren Flower (Antheridia) — Terminal, gemmiform, with filiform paraphyses. 
Fertile Flower (Archegonia) — Pew, without paraphyses. 
Vaginula — Oblong, curved. 
Capsule — Pound, or obovate, small, solitary, smooth, of thick texture, colour red. 
Calyptra — Cuoullate, fugacious, small. 
Operculum — Conical, small. 
Peristome — Single, composed of 16 short lanceolate teeth, with transverse bars and medial line. 
Annulus — None. 
Spores — Large. 
General Habitat — On moist Alpine rocks. Fruit : — August. 
Species Illustrated— Catoscopium nigritum (Bridel). Weissia nigrita (Hook andTayl.). 
Reference to Plate — a. Plant, natural size ; b, Stem leaf, X 1-in. ; Vb, Same with portion of stem, X 2-in. ; c, Apex of 
leaf, X i-in. ; d, Basal and marginal cells, X i-in. ; /, Capsule, X 1-in.; //, Operculum, X 1-in.; g, 
Vaginula, X 1-in. 
This genus is represented in Britain by the species figured. 
64. Genus DISCBLIIIM, Bridel 
Whole Plant — Annual, stemless, with few leaves, very similar in its mode of growth to Phascv.ni, gregarious — possessing a 
green velvety appearance, height of plant from 2 inches to 3 inches, of peculiar habit, and rare. 
Stem — None. 
Leaves — Imbricated, few, entire, surrounding the base of the seta, erect, ovate, concave, pellucid, destitute of nerve, areolae 
oblong-hexagonal, reddish when old. 
Inploeescence — Synoicous. 
Barren Floiver (Antheridia) — Pew, with sub-clavate paraphyses. 
Fertile Floioer (Archegonia) — Thick with paraphyses. 
Vaginula — Oblong, small. 
Capsule — Globose, scarcely cemuous, on a long fruit stalk of thick texture, bright red. Pruit stalk about an inch 
or an inch and a half long, red. 
Calyptra — Subulate, longer than the capsule. 
Operculum — Large, conical. 
Peristome — Single, composed of 16 lanceolate, broad, solid red teeth, transversely barred. 
Annulus — Having two rows of cellules, and large at the mouth of the capsule. 
Spores— Large. 
General Habitat — Clayey banks in the north of Britain. Pruit : — February, March. 
Species Illustrated — Disceliura nudum (Bridel). Weissia nuda (Hook and Tayl.). 
Reference to Plate — a. Plant, natural size; aa. Plant, X 2-in.; fe, Leaves, X l-in- ; c, Apex of leaf, X i-in.; d, Basal and 
marginal cells, X i-iu-; f, Capsules, X 1-in. 
This genus is represented in Britain by the species figured. 
65. Genus SPLACHNUM, Br?ick & ScL 
Whole Plant — Perennial, growing in matted tufts, chiefly on the dung of animals in mountainous districts or in moist places, 
foliage pale or deep green, remarkable for its curiously formed capsule, varying in height from 1 to 2 inches. 
Stem — Soft and succulent, branched dichotomously, lower part of stem beset with purplish radicles. 
Leaves — Roundish, obovate, or ovate-lanceolate, entire or obscurely denticulate, concave, areolation lax, oblong-hexagonal, 
nerve ceasing below the apex. 
Inflorescence — Monoicous or dioicous. 
Barren Floiver (Antheridia) — Numerous, with elevate paraphyses. 
Fertile Floiver (Archegonia) — Pew, usually without paraphyses. 
Vaginula — Ovate. 
Capsule — Ovate, erect, with a red or purplish Apophysis on a red fruit stalk. 
Calyptra — Conical, small. 
Operculum — Convex. 
Peristome — Single, composed of 16 large lanceolate obtuse yellowish teeth united in pairs. 
Annulus — None. 
Spores — Yellowish or green, small. 
General Habitat — In moist places, more frequent on the dung of animals or decaying substances. Fruit: — May, June, 
July. 
Species Illustrated — Splachnum ampuUaceum (Linn.). 
Reference to Plate — a, Plant, natural size; 6, Stem -leaf, X 2-in.; c. Apex of leaf, X 1-in.; d, Marginal and midleaf 
cellules, X i-in. ; e, Teeth of Peristone, X 1-in.; /, Capsule, X 2-in. 
This genus is represented in Britain by three species. 
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