a Se ae 
12.M.rugieum Laurer. 
Leaves oblong-oval or narrower, gen. entire and short-decur- 
rent; the uppermost faintly dentate and not much larger than 
the lower, less distinctly rosulate; cells gen. round-hexagonal, 
the innermost near costa oval Shoot-leaves nearly entire. 
Tufts loose. — Swamps r. Hur. Sweden, Norway! Germany: 
Warnstorf. Amer. Can. near Ottawa and N. Labrador:  Macoun.- 
B. Leaf-cells round-hexagonal not seriate. Often synoecious. 
Leaves dentate all around, the uppermost rosulate. 
a. Leaves very narrow, oblong-lanceolate acuminate; the 
outer perichetial longer acuminate. Plants robust. 
13.M.insigne Mitten; Sullivant icon. muscor, 
Leaves long-decurrent. Capsules us. clustered 3—5; lid us. 
mamillate. Stem us. with decumbent stolons. Tufts loose. 
Dioecious, — Wet ground r. Amer. Can. Pacif. distr. in Brit. 
Col.: Macoun. 
14.M.robustum Kindb. n. sp. — M. medium * robustum Kindb. - 
bull. Torr. club XVII. 
Leaves not or very short-decurrent. Synoecious. Otherwise 
as the last. — Earth in bogs and woods r. Amer. Can. Vanc. 
isl.: Macoun. 
b. Leaves short broad or only the uppermost narrow. 
15.M.medium Bryol. eur. 
Leaves not or slightly decurrent with not ciliiform teeth: - 
lower ovaloblong obtuse, upper subobovate-lingulate, outer pe- 
richetial short-acuminate. Capsules us. in pairs or. solitary; lid 
apiculate. Tufts loose. Shoots us. erect. Plants robust. Synoe- 
cious. — Wet rocks and woods. Eur. not common. Sweden, 
Switzerl.! Austria: Breidler. Amer, r. Can. Prince Edw. isl.: 
Macoun. | it 
* M.boreale Kindb. n. subsp. Bep 
Pedicel and stem very much shorter; leaves and capsules 
smaller. Leaves not decurrent. Capsule gen. solitary i 
straight; lid convex sometimes mamillate. Tufts dense. — 
Alp. rocks r. Hur. Norway in Dovretjeld! rogas 
zz M.curvatulum Lindberg. —  Astrophyllum Lindb.; Muium 
mpr. d 
»Capsules clustered oblong-cylindric curved very wide-mouthed, 
smaller and shorter than in M, medium; lid depressed semi- 
globose conic not mamillate. Stems not tufted. Synoecious. — 
— Alp. rocks r. Eur. Sweden in Lapland: Hj. Holmgren»? 
Lindb. musci scand. ati " pg 
