36 STNOPSIS OF BRITISH MOSSES. 



linear-lanceolate, int. basal membrane narrow, processes 

 short, more or less irregular. Dioicous. 



' Fam. 2. Pseudo-leskese. 

 Resembling Leshece. Caps, cemuous, horizontal, 

 short, thick walled. Perist. t. solid, coloured, int. 

 membrane broader, with cilia generally between the 

 perfect processes. 



107. Pseudo-leskea, B. and S. Habit, leaves, and 

 cell formation as in Leshea; paraphyllia more or less 

 numerous. Gaps, short, turgid. 



Fam. 3. Thuidise. 

 PI. creeping and branched or erect and simple. Br. 

 pinnate, bi- tripinnate. St. 1. larger than br. 1., 

 obcordate-triangular, nerved, sulcate, cells upper small, 

 rotund-hexagonal, lower elongate, in br. 1. uniform, 

 papillose on both sides ; paraphyllia numerous. Caps, 

 cemuous, incurved. Perist. t. long, densely articulate, 

 confluent at base, int. membrane broad, processes long, 

 with equally long cUia. 



108. Heterocladium, B. and 8. St. creeping, rather 

 rigid. Br. snbpinnate. St. 1. obcordate-lanceolate, 

 shortly and obsoletely two-nerved ; br. L much smaller, 

 ovate-acuminate, aU. serrate; per. 1. squarrose. Caps. 

 oval or oblong, incurved, lid obtuse or rostrate, 

 annulate. 



109. Thuidium, Schp. Primary st. prostrate, densely 

 radiculose, or ascending and erect, with few radicles. 

 Br. simple or bi- tripinnate. St. 1. largest, decurrent, 

 obcordate-triangular, long or shortly acuminate, nerve 

 solid, underneath or on both sides strongly papillose • 

 para,phyllia various ; br. 1, smaller, ovate-lanceolate. 



