— 320 — 



•2.M.macrocarpa Hooker. — Weisia Hook.; Mielichhoferia 

 Schiinp. 



Leaves entire short-acuminate acute or sometimes subobtuse; 

 the perichetial smaller, the inner indistinctly costate. Capsule 

 as in the last. Branches clavate. Tufts about 1 c. m. high. 

 — Rocks r. Amer. Can. Rocky mts: Drummond 74, com. Ma- 

 coun. 



B. Leaves short very small strongly imbricate; upper cells 

 dilated. Peristome sometimes double. 



a. Uppermost leaves obtusafce, acute or obtuse; costa us. 

 not percurrent. 



S.Mcompacta Hoppe et Hornschuch. — Weisia Hop. et Hsch.; 

 Mielichhoferia Kindb.; M. elongata Hornsch.; Limpr. 



Leaves gen. ovate-oblong, faintly serrulate near apex. Capsule 

 us. deflexed when dry; teeth rudimentary r. present; segments 

 distantly trabeculate, sometimes split in middle; pedicel yellov?' 

 arcuate at least when 5'oung; spores someVT^hat larger than in 

 M. nitida. Tufts us. low when fruiting, sometimes to 8 — 10 

 c. m. high. — Growing as M. nitida but more often on wet 

 rocks, r. Eur. Norvray! Austria: Schimper. France; Husnot. 

 4.M.erecta Lindberg. — Pohlia (Cacodon) Lindb. revue bryol. 

 1883; Mielichhoferia Kindb.; Oreas Kindb. Laubm. Schwed. 

 u. Norw.; Mielichhoferia defecta Sanio. 



Leaves as in the last. Capsule erect when dry; teeth densely 

 trabeculate; segments rudimentary or wanting; pedicel reddish 

 sometimes arcuate when moistened. Tufts very low. — Alp. 

 rocks r. Eur. Norway Wangsfjeld in Opdal: Kaurin. 



b. Leaves suddenly cuspidate; costa often percurrent. 

 5.M.cu8pidifera Kindb. cat. Canad, m. 



Leaves from broad-ovate base cuspidate, entire or near apex 

 slightly crenulate. Capsules unknown. Tufts about 2 c. m. 

 high. — Damp alp. rocks r. Amer. Can. Rocky mts 1500 metr. 

 a. sea; Macoun. 



135. Orthodoutium Schwsegrichen. 

 l.O.gracile Wilson. — Bryum Wils.; Orthodontium Schw.; 

 Stableria Lindb. 



Leaves long very narrow sublinear or gradually subulate, 

 flexuous nearly entire not reflexed; lower cells wider than the 

 upper; costa not excurrent. Capsule greenish narrow suboblong 

 cernuous when dry; neck not much narrower or shorter; pedi- 

 cel pale sometimes longer than stem; teeth pale; lid rostellate. 

 Tufts greenish about 1 c. m. or lower. Monoecious or paroe- 



