SYNOPSIS OF BRITISH MOSSES. 21 



62. Catoscopium, Brid. PI. smaller. L. lanceolate, 

 carinate, spreading, but only slightly recurved, nerved, 

 cells minute, hexagono-quadrate. Caps, on a shorter 

 seta, small, cernuous, subglobose. Perist. outer teeth 

 short, obtuse, inner imperfect. 



Fam. 3. Bartramise. 



L. narrowly lanceolate and subulate, apical cells 

 minutely quadrate, basal lax, hexagonal, more or less 

 papillose. Caps, globose, rarely ovate, generally 

 striate and sulcate when dry, lid small. Perist. absent, 

 simple or double, teeth lanceolate, internal processes 

 bifid, on a narrow basal membrane, cilia inconspicuous. 

 Male fl. discoid. 



63. Bartramia, Eedw. St. erect, dichotomous. L. 

 from a sheathing base, lanceolate or lanceolate-subulate, 

 densely papillose, serrate at apex, nerve vanishing or 

 excurrent, hispid on back at apex. Caps, on a straight 

 or curved seta, erect or cernuous, globose or ovate- 

 globose, striate, sulcate when dry, lid minute, convex, 

 obtusely acuminate. Perist. absent or single, but 

 generally double, outer 16 lanceolate teeth converging, 

 inner a membrane of 16 plicae divided above into 16 

 lanceolate carinate processes, sometimes with cilia. 

 Annulus absent. 



64. Conostomum, Swarts. St. erect, radiculose. Br. 

 fastigiate. L. longer above, lanceolate and lanceolate- 

 subulate, carinate, cell formation like Bartramia. Caps, 

 oval, cernuous. Perist. single, of 16 equidistant linear- 

 lanceolate teeth, united at apex into a cone. 



65. Bartramidula, B. and 8, PI. small, slender, 

 decumbent. Branches verticillate. L. erecto-patent, 

 secund, lanceolate, denticulate, subpapillose, cells lax. 



