230 Transactions of the Royal Microscopical Society. 
Branches crowded, terete, usually incurved or more or less 
circinate. Stem leaves large, oblong, obtuse, the apex somewhat 
fringed or toothed. Branch leaves short, very broad, concave. 
Corresponds to Sph. subsecundum var. contortum. 
Hab. — Marshy places in woods. Sweden, Lapland, Finland ; 
Dovrefjeld Mountains, Norway — near Dorpat (Russo w). Closter, 
New Jersey (Austin). 
Var. 7. platyphyllum (Sull.) Lindb. 
Sph. subsecundum var. /3. isophyllum Russow, p. p. Sph. platyphyllum n. sp. ? vel 
var. Sph. neglecti ? Sull. Mss. 
Branches short, rather obtuse, with imbricated leaves. Stem 
leaves lingulate, with distinct auricles composed of projecting 
hyaline cells. Branch leaves rounded-ovate, pointed, very broad 
and concave. Corresponds to Sph. subsecundum, var. auriculatum. 
Hab. — Marshy places in woods in subalpine districts. Sweden, 
Lapland, Finland, Norway, Estland (Russow). N. Wales, top of 
pass between Aber and Llanwrst (Prof. Lawson, 1874). New 
Jersey (Sullivant). 
Var. 8. cyclophyllum (Sull. Lesq.), Lindb. 
Sph. obtusifolium var. /3. turgidum Hook. & Wils. in Drumm. Muse, bor.— amer. 
2nd Ser. No. 17 (1841). 
Sph. cyclophyllum Sull. & Lesq. Muse. bor. — amer. No. 5 (1856). Sull. 
Mosses of Un. St. p. 11 (1856). Icon. Muse. p. 13, t. 6 (1864). Austin Muse. 
Appal, p. 11 , No. 25 (1870). Sph. subsecundum x ar. 7 . simplicissimum Milde Bryol. 
Siles. p. 393 (1869)? Sph. Drummmdii Wilson Mss. in herb, suo (Mus. Brit.). 
Stems short, turgid, 1-3 in. long, quite simple or with 'one or 
more short solitary branches. Stem leaves very large, orbicular, 
deeply concave and cucullate, pale greenish-white. Corresponds to 
Sph. subsecundum var. obesum. 0 
Hab. — Moist peaty places in mountain districts. Aland Islands 
(Reuter and Elfving). Shore of Loch Katrine, Perthshire 
(McKinlay). New Orleans (Drummond). Alabama (Lesquereux). 
New Jersey (Austin). 
The var. cyclophyllum differs so completely in aspect from the 
typical form, that no one at first sight would think it could belong 
to the same species ; yet Professor Lindberg sends specimens which 
distinctly show the transition between it and var. platyphyllum, 
and the sections of stem and leaf agree perfectly with those of the 
other forms. 
A few specimens in Drummond’s collection are in fruit, which 
is immersed in sessile lateral perichsetia. 
% 
North American Species not found in Europe. 
Besides the species common to both countries, three of the 
family are natives of North America which have not yet been 
