- sterile. 
— 316 — 
trees (Fagus) r. Eur. ltaly: Levier. France: Guépin, com. 
Husnot. 
* Z.Sendtneri Juratzka. 
Leaves somewhat narrower; costa gen. excurrent. — On bark 
of Ostrya r. Eur. »Istria»: Sendtner. RTN m 
HI. Amphidium Limpricht (Amphoridium Schimp.; 
Lesq. et Jam.) NA 4 
A. Leaves subulate-acuminate very long, often red-brown. — 
Dioecious. : 
a. Capsule exserted; lid rostrate. Perichetial leaves with 
not excurrent costa. Other leaves recurved below at one side, 
entire or in upper part faintly sinuolate. Stem gen. high. 
7.Z.Mougeotii Bryol. eur. kt 
Leaves flexuous not distinctly crisped; the perichetial not 
much broader, short-sheathing gradually long-subulate. — Rocks. 
Eur. not r. Sweden, Norway, Switzerl., Spain! Amer. Can.: 
Waghorne. 
8.Z.crispatus Kindb. revue bryol. 1896. 
Leaves erisped entire with longer acicular point than in the 
last; the perichetial broader, long-sheathing, abruptly narrowed 
to the subulate shorter point. —- Rocks r. Amer. Pacif. distr. 
Can.: Macoun. x ; 
b. Capsule not exserted; lid obtuse or apiculate. Periche- 
tial leaves with long-excurrent costa, Other leaves gen. distantly 
serrulate above. Stem low when fruiting, often high when 
9.2.californieus Hampe. id 
Leaves crisped more or less reflexed below at one side, with | 
long acicular point, us. red-brown; the perichetial not broader, 
short-sheathing . gradually long-subulate. — Rocks r. — Amer. 
Pacif. distr: Macoun. i 
*Z.cwspitosus Mitten. — Didymodon Mitt.; Zygodon Kiudb. 
Leaves not reflexed less acicular. Capsules unknown. Vi 
Amer. r. Can. Vane. isl: Macoun. l 
B. Leaves acute fuscescent not long. Monoecious. De 
gern deme Hedwig. — Gymnostomum H; Zygodon é 
r. eur. ES 
Leaves crisped entire not or slightly reflexed, sublinear or- 
nearly gradually attenuate; the perichetial very much broader, 
long-sheathing, abruptly narrowed to a short point; costa fai 
abbreviate. Capsule scarcely exserted; lid rostellate. Tuf 
dense gen. low. — Rocks princ. in alps. Eur. not uncommon 
