B04 THE JOURNAL OF BOTANY 
round numerous pores on the commissures, in the upper part with 
scattered pores in the a fae cell-angles, which are more numerous 
towards the ‘i al ma: 
al 
biplanar and the om Shaner cells have the free outer walls 
strongly developed; in the lower part the chloropyllos cells are 
muc a so that the eae ones are bicon 
Mon male branches at first shortly aes becoming 
later ae brinly olananaten in the whole antheridium-bearing part ; 
yellowish-green ; perigonial bracts smaller than the leaves of the 
sterile pranches, « curved recto: DANE non-fibrillose in the middle 
capitulum. Spores allow, 25 p in diameter 
Hab. N 
Distrib. Common in Europe and North America; Asia; Africa. 
S. squarrosum is distinguished from ¥.. teres by the greater 
robustness of all me Space by the monoicous inflorescence, and by 
the form of the e branches and their perigonial bracts. The 
papille on the inner eal of the hyaline cells of the branch-leaves 
pt being some- 
times distinct and num ot sometimes faint and almost invisible. 
1) Var. spectabile Russ. apud Warnst. in Bot. Gaz. 1890, 224. 
ear Loch Garve, Ross (Braithwaite). 
(2) Var. subsquarroswm Russ. apud Warnst. in Hedwigia, nee 
sy : 
b 
Trelleck Bog, Monmouth 
18. §. reres Angstr. es es Skand. Fl. ed. 8, 1861, 417. 
n squarrosum var. teres Schimp. Entw. Gesch. Torfm. 
Stirp. Crypt. vog.-rhen. fase. xiv. No. 1805 (18 " 
Exsice. Braithw. Sphagn. Brit. Exsicc. Nos. 29, 80, 48, 44 
Tufts loose and soft, light green, with greater or less admixture 
of aad or yellowish-brown; much less robust than S. squar’ vedi 
ing in size and habit 8. Girgensohnii, Stems up to 20 ¢ 
