— 285 — 



*W.commutata Limpricht. — Pottia Limpr.; Weisia Kindb. 



» Capsule often inclined; teeth very short. Leaves narrower 

 reflexed, sometimes suboval subobtuse. — Calcareous soil r. 

 Eur. Istria: Weiss »: Limpricht. 

 4.W.groenlandica Kindb. in Hedwigia 1897 p. 65. 



Leaves suboblong-linear or sublingulate very obtuse, only the 

 uppermost recurved; cells nearly smooth; costa not percurrent. 

 Capsule oblong; lid long-conic much shorter; teeth none; pe- 

 dicel reddish. — Habit of W. Starkei. — Arctic distr. r. 

 Amer. Greenl. Silch: Baur 1885, com. Roell. 



III. Astomum Hampe (Systegium Schimper). 



A. Leaves channelled not involute. 



a. Leaves with long-excurrent costa, crisped. 

 S.W.Levieri Limpricht. — Astomum Limpr.; Weisia Kindb. 



Comal leaves and the outer perichetial long-subulate much 

 largei' than in W. crispa; inner perichetial short-acuminate much 

 fihoi-ter. Capsule globose-oval; pedicel very short; lid rostrate. 



— Claj^ soil r. Eur. Italy: E. Levier. 



b. Leaves with subpercurrent costa. 

 B.W.multicapsularis Smith. — Phascum Sm.; Weisia Mitten. 



Lower leaves distant; comal and perichetial larger, long-acu- 

 minate subulate, crisped; costa not or slightly excurrent. Cap- 

 sule subglobose or oval-oblong not much longer than pedicel. 



— Clay fields r. Eur. »Engl.»: Braithwaite. 

 T.W.Mittenii Bruch et Schimper. — Astomum B. 8.; Weisia 

 Mitt. 



Lower leaves distant; the uppermost larger, subulate, shorter- 

 acuminate than in the last, not or faintly crisped; costa not 

 excurrent. Capsule subglobose; pedicel somewhat longer. — 

 Clay fields and banks r. Eur. »Engl.»: Braithwaite. 

 S.W.rOStellata Bridel. ■ — Phascum Brid.; Weisia Lindb. 



Leaves crowded long-acuminato acute not distinctly subulate, 

 crisped; costa short-excurrent. Capsule oval-oblong; pedicel 

 2 — 3 times longer. — On earth r. Eu.r. Engl: Rogers. France: 

 Sebilles, com. Husnot. 



B. Leaves involute gen. carinate and long-acuminate, crisped. 

 a. Leaves with gen. long-excurrent costa: the lower distant. 



9.W.crispa Hedwig. — Phascum H.; Weisia Mitten. 



Comal and perichetial leaves long-subulate. Capsule sub- 

 globose; pedicel shorter; lid us. with short beak. — Clay or 

 sandy soil. Eur. not r. Switzerl.! Sweden: Lindberg; S. Har- 

 din. Amer. Can.; Drummond n. 11, com. Macoun, 



