— 316 — 



trees (Fagus) r. Eur. Italy: Levier. France: Guepin, con 

 Husnot. 



* Z.Sendtneri Juratzka. 



Leaves somewhat narrower; costa gen. excurrent. — On bar 

 of Ostrya r. Eur. »lBtria»: Sendtner. 



III. Amphidium Limpricht (Amphoridium Scbimp.; 

 Lesq. et Jam.) 



A. Leaves subulate-acuminate very long, often red-browi 

 Dioecious. 



a. Capsule exserted; lid rostrate. Perichetial leaves wit 

 not excurrent costa. Other leaves recurved below at one sidi 

 entire or in upper part faintly sinuolate. Stem gen. high. 

 V.Z.Mougeotii Bryol. eur. 



Leaves flexuous not distinctly crisped; the perichetial nc 

 much broader, short-sheathing gradually long-subulate. — Rocki 

 Eur. not r. Sweden, Norway, Switzerl., SpainI Amer. Can 

 Waghorne. 

 S.Z.crispatus Kindb. revue bryol. 1896. 



Leaves crisped entire with longer acicular point than in th 

 last; the perichetial broader, long-sheathing, abruptly narrowe 

 to the subulate shorter point. — Rocks r. Amer. Pacif. dist 

 Can.: Macoun. 



b. Capsule not exserted; Ud obtuse or apiculate. Perich( 

 tial leaves with long-excurrent costa, Other leaves gen. distantl 

 serrulate above. Stem low when fruiting, often high whe 

 sterile. 



9.Z.califoniicu8 Hampe. 



Leaves crisped more or less reflexed below at one side, wit 

 long acicular point, us. red-brown; the perichetial not bi'oade: 

 short-sheathing gradually long-subulate. — Rocks r. — Amei 

 Pacif. distr.: Macoun. 



* ZiCaespitosus Mitten. — Didymodon Mitt.; Zygodon Kind! 



Leaves not reflexed less acicular. Capsules unknown. - 

 Amer. r. Can. Vane, isl.: Macoun. 



B. Leaves acute fuscescent not long. Monoecious. 

 lO.Z.lapponicns Hedwig. — Gymnostomum H.; Zygodo 

 Br. eur. 



Leaves crisped entire not or slightly reflexed, sublinear c 

 nearly gradually attenuate; the perichetial very much broadei 

 long-sheathing, abruptly narrowed to a short point; costa fair 

 abbreviate. Capsule scarcely exserted; lid rostellate. Tufi 

 dense gen. low. — Rocks princ. in alps. Eur. not uncommoi 



