38 



8GIENTIFIG CLASSIFICATION. 



Sub-order. Generic Name. 



IX. Capsule iirn-shaped, buried iu tlie leaves or on very short seta. 



Peristome twisted. Growing in water. Ripariem. 



X. Capsule erect, seta long, lid conical, beak long. Calyptra entirely 



covering the capsule. (Extinguisher Moss.) Enealyptece. 



XI. Capsule round, buried in the leaves or on very short seta. Peristome 



none. Hedwigie<x. 



XII. Capsule rounded. Lid with erect beak. Peristome single, sixteen 



teeth. Calyptra without furrows. Plants hoary. Grimmiece. 



xm. Capsule erect, without swelling at the base (apophysis). Lid conical, 



beaked. Calyptra furrowed, smooth. PtycJiomiiriece. 



XIV. Capsule long, hidden or on short seta. Peristome wanting, single or 



double ; in the latter" case the outer of thirty-two teeth, united 



so as to form eight broad ones. Calyptra large, with few furi'ows, 



generally covered with erect bristles. OrthotrichecB. 



XV. Capsule erect, pyriform, striated. Beak long. Calyptra small, smooth. 



Teeth of outer peristome united in pairs. Zygodontece. 



XVI. Capsule erect. Calyptra in folds. (Plicate.) Peristome of four 



teeth united to the columella. TetraphidecB. 



XVII. Capsule very large, flat above, round below. Lid small, columella 



large. Plant very small, the capsule the only conspicuous part. Buxbaumiece. 

 xvm. Capsule erect or oblique, urn-shaped. Lid beaked. Peristome of 



thirty-two to sixty-four teeth, united at the top by the summit of 



the columella. Calyptra hairy. (Hair Moss). Polytnchece. 



XIX. Capsule pyriform, generally drooping. Lid conical with short beak. 



Peristome, outer sixteen teeth, inner a membrane in sixteen divisions. BryecB. 



XX. Capsule pyriform, inclined. Peristome double. Fruit at the summit 



of the side branches. (Cladocarpous.) MielichhofenecB. 



XXI. Capsule pyriform, oblique. Peristome double ; outer sixteen teeth, 



inner a membrane in sixteen divisions. Seta very long. Meesiece. 



xxu. Capsule erect or oblique, pyriform. Lid convex. Calyptra very large 



and inflated. Seta twisted. (Cord Moss.) Funariece. 



xxm. Capsule erect or drooping, round, generally furrowed when dry. 



Caly[)tra very small. Seta long. (Apple Moss). Barframiece. 



XXIV. Capsule drooping, of thick texture, furrowed, rounder above than 



below, mouth small, situated on the lower side. Oreadew. 



XXV. Capsule drooping, roundish, hd large, teeth of the single peristome 



divided from the middle to the base. Plants very minute, 



growing from a green film (thallus). Disceliem. 



