— 342 — 



12.]ff.mgicum Lfiurer. 



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. Eur. 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. 

 IS.M.insigpne 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.robustuni 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. Vane, 

 isl.: Macoun. 



b. Leaves short broad or only the uppermost narrow. 

 l5.M.mediuin Bryol. eur. 



Leaves not or slightly decurrent with not ciliiform teeth: 

 lower oval-oblong 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. 



* M.boreale Kindb. n. subsp. 



Pedicel and stem very much shorter; leaves and capsules 

 smaller. Leaves not decurrent. Capsule gen. solitary and 

 straight; lid convex sometimes mamillate. Tiafts dense. — 

 Alp. rocks r. Eur. Norway in Dovrefjeldl 



* M.cnrvatulum Lindberg. — Astrophyllum Lindb.; Mnium 

 Limpr. 



» 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. Uur. Sweden in Lapland: Hj. Holmgrens: 

 Lindb. musci scand. 



