52 SYNOPSIS OF BRITISH MOSSES. 



pale, brown below, St. 2 — 6 incliea, slender, pale 

 green, cortical cells in 2 — 3 layers, non-porose. Br. 

 crowded, 2 — 3 in fasc, erecto-patent. St. 1. very large, 

 minutely auricled, ovate-spatliulate, cells almost non- 

 fibrose in the type, apex with 3 teeth and a few minute 

 ones at sides. Br. 1. oblong-ovate, concave, very 

 narrowly bordered, apex truncate, with 5 or 6 irregular, 

 teeth, hyaline cells fibrose and porose, chl. cells trian- 

 gular, projecting on concave surface of leaf. 



Type not found in Britain; 



Yar. /3. MuLLBEi. Br. 3 — 4 in fasc, 1 — 2 patulous, 

 the rest longer, slender, pendent. St. 1. more elon.. 

 gate, cells with fibres and pores. Perichaetial bracts 

 lanceolate acuminate, upper cells with fibres and pores. 



Moorland streams. August, 



Darnholme, near Whitby j Brickhill Heath, Bucks ; 

 Ben Lawersj New Forest, 1880 (H. Boswell). 



Var. y. teneeum, Braith., Sphag., p, 55. Tufts 

 dense, dirty white. Br. closely crowded with acumi- 

 nate leaves. 



Darnholme (Braithwaite), Dalfroo Bog, Strachan 

 (Sim), New Galloway, 1888. 



D. Cuspidata. 

 Rather rigid, loosely matted. Br. 1. erecto-patent, 

 narrowly lanceolate, acute or much acuminate, truncate, 

 toothed and involute at apex, margin more or less 

 bordered, 



a. Leaves erecto-patent, 



16. S. acntifolium, Ehr. Tufts soft, pale green, often 

 tinged with purple. St. 8 — 6 inches, with slender 

 attenuated branches, cortical cells generally without 

 pores, in 3 — i strata, woody zone purple, except in 



