BBYOPHYTA. 15 



Bartramia. Plants perennial. Stems ereet, often forked, 

 radiculose-tomentose below. Leaves varying tVom ovate-lanceo- 

 late to subulate, half-clasping or Bub-decorrenl at base, serrate 

 at the apex, costs vanishing with the apex or passing above it 

 into a point hispid on the back, opaque, yellowish-green. Cap- 

 BOle ecrnuous or rarely erect, mostly plaited, striate when dry. 

 Lid small, convex or obtusely pointed. Calyptra eucullate. wry 

 fugacious. 



18 b. Caj)sule ovate or pyriform, with a distinct 

 collum. 

 19 a. Teeth oblique, curving to the right. 



Funaria. Plants annual or reproduced by innovations, sim- 

 ple or branching. Leaves comparatively large, soft, costate, 

 obcordate or spatulate, acuminate. Capsule gibbous. Sporan- 

 gium much smaller than the capsule, attached by loosely entangled 

 threads. Outer teeth very hygroscopical. Lid plano-convex. 

 Calyptra eucullate, long-beaked, shiny. 

 19 b. Teeth straight. 



20 a. Leaves mostly crowded, of medium size, 

 ovate or lanceolate, acute or acumi- 

 nate, cells mostly small, rhomboid.nl- 

 hexagonal. Capsule pyriform, collum 

 often as long as the capside. 



Bryum. Plants perennial, radiculose. Leaves with a solid, 

 terete, mostly excurrent costa. Capsule on a long stout stalk. 

 Lid convex, with a papilla. 



20 b. Leaves mostly distant, of large size, 

 broadly ovate or obovate, blunt, some- 

 times abruptly acuminate / cells very 

 large, round-hexagonal, hexagonal- 

 oblong near the base. Capsule ovate, 

 the short collum abruptly narrowing 

 into the stalk. 

 1 b. Fruit cladocarpous. (Some species of Fissidens ma}- 

 be found here.) 



Fontinalis. Plants floating in the water, generally very long, 

 irregularly branching or fasciculate-ramose. Leaves very con- 



