56 SYNOPSIS OF BRITISH MOSSES. 



Sb. solid, dark brown, cortical cells 3 — 4 layers, irre- 

 gular, -witliout pores. St. 1. crowded, reflexed, broadly 

 Ungulate, auricled, apex broad, truncate, fringed, fibres 

 and pores occur sparingly in the large auricles, otber 

 cells generally empty. Fasc. of 3 — 4 branches, 2 — 3 

 arcuate and divergent, the rest pendent, elongate and 

 closely appressed. Br. 1. in 5 rows, not undulate, firm, 

 glossy, ovate at base, lanceolate above, toothed and 

 involute at apex, cells fibrose and porose, chl. cells 

 narrow, elliptic, quite enclosed but nearer back of leaf, 

 border widest at base of 3 — 4 rows of very narrow 

 cells. Perichastium large, inflated. Monoicous. 



Deep bogs. July. 



Ben Wyvis, Eoss-shire (McKinlay, 1867). 



22. S. intermediam, Hoffm. PI. robust, straight^ 

 yellow or pale green, pale brown or whitish below. 

 St. 6 — 12 inches, greenish- white, cortical cells 2 — 3 

 layers, small, non-porose. St. 1. small, reflexed, ovato- 

 triangular, minutely auricled without fibres or pores, 

 broadly bordered, apex obtuse, 3 — 5 toothed. Br. 

 4 — 5 in fasc, 2 arched downwards, the rest pendeilt, 

 closely appressed and concealing the stem. Br. 1. 

 ereoto-patent, densely imbricate, involute above, mar- 

 gins involute and points recurved when dry, apex 

 minutely toothed, border narrow of 2 — 3 rows of very 

 narrow cells. Hyaline cells densely fibrose, with a few 

 small pores, chl. cells trigonous, free on back of leaf. 

 Dioicous. 



Moorlands, wet heaths, and mountain bogs. Fre- 

 quent. Jnly. 



Var. /8. EiPAEiuM. TaUer. St. 1. triangular, erose, 

 fringed. Br. 1, ovate-lanceolate, non-fibrose at apex. 



Var. y. sPECiostrM. 10 — 18 inches, deep green. St. 



