THE EUROPEAN SPHAGNACEZ 858 
(8) Var. imbricatum Warnst. in Bot. Gaz. xv. 226, 1890. 
Branch-leaves closely imbricate. Tufts usually very owe and 
dense, with short and much-crowded branches; colour variou 
y Bank Fell, Teesdale, Durham (Horrell) ; Dalfroo "Bog, 
near Strachan, Kincardine ( (Sim) (in Brathw. Sphagn. Brit. Exsice. 
0. 25; sub nomine SV. rigidum var. compactum) ; Glen Dole, Clova, 
Forfar C Miss Barton); Moidart, Westerness (Macvicar) ; ; Aviemore, 
Hasterness (Macvicar). 
§ vi. SpHacna TRuNcATA Warnst. 
This are — only a single species, native of Northern 
Europe and Sib 
82. 8. Mea eas alae Skand. Fl. ed. 7, 399, 1858. 
Syn. 9. insulosum An 
xsi, Braithw. Baten Brit. Exsicc. No. 22 (1877) (Addend. 
exoticu 
Resemblin ng in habit small ae of S. cymbifolium. Tufts soft, 
pale Mees or yellowish-bro 
inder yellowis 
Siem-cortes of 3-4 layers bs irregular, rather wide non-porose 
ce “ 
apex ee pest widened below ; asd porose and non-fibrillose, 
or with delicate fibrils in the upper ¢ 
fascicles of 8-5 branches, of ohioh 1-2 are spreading, and the 
others appressed to the stem. Branch-leaves large, from @ narrower 
base broadly-ovate, with 6-10 teeth on the broadly truncate apex; 
border almost wanting; pores on the outer surface generally in the 
cell-angles, near the lateral margins numerous along the com- 
missures, in the basal part few; on the inner surface only near 
the apex and towards the lateral margins. 
Chlorophyllose cells in section median, barrel-shaped to almost 
rectangular, and with their Pies: -thickened walls free on both 
sides of the leaf; non-papi 
Dioicous ; male eke ee slit oval and pale green ; dior 
bracts roundish-oval, i in the lower part with wide non-porose cells, 
which are not rarely also without fibrils. Perichetial "bracts 
yellow, broadly-oblong, obtuse and concave; cells narrow, non- 
fibrillose; border wide. Spores rust-re 
Hab. Deep bogs in northern latit tudes 
Distrib. Finland, Russia, Scandinavia, Spitzbergen ; Siberia. 
(To be continued.) 
