— 319 — 



4.M.Albertinii Bruch et Schimper. 



Differs from the last: Leaves more distinctly decurrent us. 

 acute. Peristomial teeth pale very short often confluent. Mon- 

 oecious. — Swamps r. Eur. Sendtner, com. Le Jolis. Amer. 

 Can.: Waghorne. 



132. Amblyodon Palisot de Beauvois. 

 l.A.dealbatus Dickson. — Bryum Dicks.; Amblyodon Beauv. 



Leaves narrowly oblong acuminate acute not reflexed; the 

 uppermost serrate at the not long acumen, finally pale green 

 or whitish; the lower finally reddish; costa not percurrent. 

 Capsule thick suboval. Stem about 1 c. m. high. Male flo- 

 wers discoid. Monoecious or polygamous. Resembling Meesea 

 trichodes in capsule. — Wet and turfy soil princ. in alps. 

 Eur. Sweden, Norway not r.! France: Husnot. Amer. Can.: 

 Macoun. 



133. Plagiobrynm Lindberg. 

 l.P.Zierii Dickson. — Bryum Dicks.; Plagiobryum Lindb.; 

 Zieria julacea Schimper. 



Leaves broad-ovate short-acuminate not reflexed; costa not 

 excurrent. Capsule shorter than neck; teeth not much lower 

 than endostome. Tufts silverglossy finally reddish. Dioecious. 

 — Alp. rocks. Eur, not r. Norwayl Sweden: R. Hartman. 

 Amer. r. Can. Rocky mts 2250 metr. a. sea: Macoun. 

 2.P.deinissuni Hoppe et Hornschuch. — ^ Meesea Hop. etHsch.; 

 Plagiobryum Lindb.; Zieria Schimper. 



Leaves subovate somewhat long-acuminate reflexed; costa ex- 

 current. Capsule longer than neck, deflexed to the ground 

 when unripe; teeth very much lower than endostome. Tufts 

 less glossy. Dioecious. — Earth on rocks in higher alp. region 

 r. Eitr. Norway! Switzerl.: Schimper. Austria: Breidler. Amer. 

 Can. Rocky mts: Drummond 250. 



134. Mielichhoferia Hornschuch. 



A. Leaves small ovate-lanceolate, less strongly appressed; 

 upper cells narrow. Peristomial (exostomial) teeth wanting- 

 l.M.nitida Hornschuch. 



Leaves gradually acuminate acute, serrulate above often to 

 middle. Perichetial leaves costate larger. Capsule us. suberect 

 when dry; segments not Split; pedicel reddish more or less 

 flexuous; spores about 0,02 m. m. Tufts about 1 c. m. high. 

 Habit of Bryum (Webera) but with smaller leaves. — Schistose 

 princ. metalliferous (esp. Copper) rocks in alps, r. Eur. Norwayl 

 France: Husnot, 



