BEYDM. 157 



73. BRYUM, Dill. 

 Sub-genus 1. Gladodium. 

 Internal peristome composed of cilia and processes 

 adherent to the teeth or free. Cilia imperfect or 

 perfect, without, appendages. 



Synoicous or monoicous. 



340. B. pendulum, flb?'wsf/i.. [cernuum, Hedw). St. 

 \ — 1^ inch, tufted, branched, very radiculose. L. 

 ovate, acuminate, concave, rigid, nerve much excurrent, 

 sometimes serrulate at apex, margins recurved. Caps, 

 oblong-oval or pyriform, mouth small, neck not taper- 

 ing, pendulous, lid small, conical, apiculate. Inner 

 perist. adherent to outer, cilia and processes long, only 

 partly free. Annulus large. Synoicous. 



Walls and rocks. May, June. 



341. B. rufum, F&rg. Tufts loose, dark brown. St. 

 slender, short, with few radicles. L. enlarged toward 

 top, forming a gemmiform tuft, brownish, twisted 

 when dry, patent, then incurved from the middle, 

 lower ovate-acute, margin scarcely recurved, nerved to 

 or slightly beyond apex, upper ovate-lanceolate, cari- 

 nato-concave, never red at base, margins entire, re- 

 curved, with a narrow border, nerve excurrent, into a 

 smooth, yellowish point, cells mostly without chloro- 

 phyll, 'hexagonal above, rectangular at base. Caps, 

 pendulous, at length looking upwards owing to curva- 

 ture of summit of seta, obovate or oblong-pyriform, 

 bladdery, not constricted below the very small mouth, 

 which is not oblique, neck as long as capsule, lid 

 conical, very small, obtusely apiculate. Annulus of 3 

 or 4 pale yellow cells. Perist. small, outer teeth 

 lanceolate-subulate, pale yellow above, fuscous below, 



