— 310 — 



6. Cupulata. 



A. Capsule not distinctly strangulate; teeth smooth erect 

 when dry. 



&, Capsule narrow gen. long-exserted. 

 48.0.anomalam Hedwig. 



Leaves subcanaliculate and not subulate at apex, hyaline 

 below, faintly papillose above. Capsule oblong or oblong-cy- 

 lindric with brown stripes; teeth nearly free. — On stones, 

 less often on trees and roofs. — Eur. common. Sweden, 

 Norway, Switzerl.l Amer. r. Can.: Macoun. 



b. Capsule thick suboval, sometimes immersed. 

 49.0.consimile Mitten; Sulliv. icon. muse. 



Leaves not subulate at apex, faintly papillose above, hyaline 

 below. Capsule us. long-exserted; teeth nearly free. Stem us. 

 about 0,5 c. m. — Rocks r. Amer. Can. Pacif. distr.: Macoun. 

 "^ O.anomaloides Kindb. n. subsp 



Capsule less exserted; cilia shorter than teeth. Stem higher. 

 — Amer. r. Can.: Macoun. 

 50.0.Watsoni James; Sulliv. icon. muse. 



Leaves subulate at apex, strougly papillose with long cylin- 

 dric papillse. Capsule wholly immersed; teeth connate in pairs. 

 Stem 1 — 2 c. m. high. — Alp. rocks r. Amer. »U. S.»; Lesq. 

 et Jam. 



B. Capsule thick us. strangulate, more or less immersed; 

 teeth nearly free often papillose, often patent when dry. Leaves 

 carinate. 



a. Peristomial teeth entire. 

 51.0.urnigerum Myrin. — »0. perforatum Limpricht»: Venturi. 



Leaves very papillose, not hyaline below. Capsule us. with 

 indistinct neck; teeth papillose below, gen. erect when dry. 

 Tufts loose dark green. — Rocks princ. siliceous r. Eur. Switzerl.l 

 Sweden less r.!; M. Huss. France: Paget. 

 52.0.ciipalatam Hoffmann. 



Leaves us. faintly papillose, often hyaline below. Capsule 

 with more or less distinct us. thick short neck; teeth gen. 

 smooth, often patent when dry. Tufts us. dense and brown 

 or blackish when dry. — Rocks. Eur. not uncommon. Sweden, 

 Switzerl.l Amer. Can.: Macoun. 

 * O.nndum Dickson; Venturi. 



Capsule subemergent with long not defluent neck. — Eur. 

 not uncommon. Switzerl.! Austria: Breidler. Engl.: Rogers. 

 France: Brebisson. Amer. Can.: Macoun. 



