SPHAGNITM. 65 



Var. /S. SQTTAEEOSULUM, Russ. Plants very small. 

 Br. 1. recurved at apex. 



19. S. squarrosum, Pers. St. 6 — 15 inclies, rigid, 

 reddish-brown, often forked, cortical cells in 2 layers, 

 non-porose. St. 1. large, Ungulate, not bordered, 

 minutely auricled, apex rounded, slightly fimbriate, 

 cells without fibres or pores. Br. 4 — 5 in fasc, 2 — 3 

 divergent, tumid, attenuated towards apex. L. on 

 lower two-thirds squarrose and recurved from middle, 

 rest elongate ; leaves of pendulous branches appressed, 

 slender, imbricate. Br. 1. base broadly ovate, concave, 

 suddenly lanceolate, apex minutely 3 — 4 toothed, 

 margin of 2 — 3 rows of very narrow cells, chl. cells 

 compressed, entirely enclosed by hyaline, which are 

 fibrose and porose. Monoicous. 



Boggy places near moorland streams, &c. Frequent; 



July. 

 Var. /8. SQTJAEEOSULTiM. Smaller. St. pale green. 

 L. more distant, small. 

 More shady alpine places. 



20. S. teres, Angst. Tufts small, soft, pale yellowish- 

 green, often ferruginous. St. slender, 4 — 8 inches, 

 pale red, cortical cells 3 layers, non-porose. St. 1. as 

 in squarrosum. Br. distant, 4 — 5 in fasc, 2 — 3 diver- 

 gent, terete. L. imbricate throughout, their apices 

 only slightly recurved, broadly ovate, pointed, 

 3-toothed. Dioicous. 



Edges of subalpine bogs and springs. Not common . 



Knutsford Moor, Wybunbury Bog, Newchurch Bog, 

 all in Cheshire ; Dorme, in Scotland ; Staveley, West- 

 moreland. 



21. S. Lindbergii, Schp. Tufts dense, 6 — 12 inches, 

 yellowish-green tinged with red or purplish-brown. 



