SYNOPSIS OF BEITISH MOSSES. 6 



short seta, erect, symmetrical, lid persistent. Perist. 

 absent. Monoicous. 



5. Hymenostomum, B. Br. L. comal much longer 

 than the rest, all crisped or cirrhate when dry, opaque 

 and minutely papillose, cells hexagonal-rotund, chloro- 

 phyllose, rectangular and empty at base. Caps, with 

 mouth closed by a thin membrane, annulus simple, 

 lid persistent with a long beak. Spores large, globose, 

 rough. Monoicous. 



6. Gymnostomum, Bry. Eur. St. erect. Br. di- 

 chotomous or fastigiate. L. small, larger above, 

 lanceolate or linear-lanceolate, margin plane, concave, 

 nerve prominent behind, excurrent or vanishing, cells 

 minute, quadrate, elongate hexagonal at base. Caps, 

 erect, ovate, subglobose or elliptical, symmetric, 

 mouth open, without either teeth or membrane, lid 

 deciduous, subulirostrate. Calyptra cucullate. Spoi-es 

 minute, smooth. Monoicous or dioicous. 



7. Anaectangium, B. and S. Densely csespitose, 

 dichotomous. L. linear-lanceolate, larger above, nerved, 

 opaque, densely papillose, cells minute, rotundate- 

 hexagonal above, rectangular hyaline at base. Caps. 

 oval, ovate, or subglobose, with a reticulated mem- 

 brane at mouth. Perist. absent ; lid oblique, rostrate. 

 Calyptra cucullate, oblique, with a long subulate beak. 

 Spores minute, smooth, ferruginous. Dioicous. 



8. Eucladium, B. and 8. Innovations dichotomous. 

 L. narrowly lanceolate, rigid, thickly nerved, smooth, 

 cells irregularly quadrate, ovate above, lax and hyaline 

 at base. Caps, erect, ovate or oval on a longer seta, 

 lid subulirostrate. Perist. t. oblique, confluent, linear- 

 lanceolate, bi- or trifid. 



9. Gyroweissia, Schp. PL low, slender. L. linear- 



B 2 



