u-— EO uuu 
in lower districts not r. Can.: Macoun. U: S.: Sullivant, com. 
C. Mueller. Eur. r.. Norway near Lille Elvedal: S. O. Lindberg 
and E. Nyman. j 
10.A.fenestratum Kindb. cat. Canad. m. 
Leaves subhyaline denticulate narrowly ovate-lanceolate or 
sublinear; cells narrowly oblong; costa more or less distinct. 
Capsules unknown. — Borders of ponds r. Amer. Can.: Dearness, 
com, Macoun. 
b. Leaves broad gen. obtuse. 
11.A.Holzingeri Renauld et Cardot in bot. gazette. ; 
Leaves entire subovate or ovate-oblong, sometimes short-acu- 
minate subacute; cells suboval, princ. the upper, or suboblong; 
costa. vanishing near middle or short forked. Perichetial leaves 
entire, Capsule suboval strangulate oblique or arcuate; pedicel 
less than 1 centim. long. Amer. r. »U. S.: Holzinger»: Ren. et 
Card. 1. c. | 
4. Subtilia. 
A. Leaves entire; costa sometimes reaching to middle. En- 
dostome with short or none cilia. Wu 
12.A.subtile Hedwig. — Leskea H.; Amblystegium Br. eur. 
Stem-leaves subovate-lanceolate; middle cells suboblong; branch- 
leaves narrower.  Perichetial leaves entire us. costate. Capsule 
subsymmetric; lid apiculate. Tufts greenish. — On trees or 
r. on rocks. Eur. not r. Sweden! Amer, Can. Macoun. 
B. Leaves denticulate, at least those of branches; costa obsolet 
Cilia of endostome us. long. i 
13.A.confervoides Bridel. — Hypnum Brid.; Amblystegium 
Br. eur. 
Stem-leaves broadly ovate-lanceolate long-acuminate; midd 
cells suboblong; branch-leaves narrower, patent when moist. 
Capsule gen. arcuate; lid apiculate. Perichetial leaves denticu- 
late. Tufts green. — Rocks gen. r. Eur. Sweden, Norwa; 
Switzerl| Amer. Can.: Macoun; Waghorne, 
14.A.pseudo-confervoides Kindb. revue bryol. 1895. ; 
Leaves smaller shorter and less distinctly denticulate than 
in the last; cells wider, oval-oblong. Stem-leaves ovate-oblong- 
obtusate acute or short-acuminate. Branch-leaves suberect when > 
moist. Capsule arcuate; lid conic obtuse; pedicel very short. 
Perichetial leaves nearly entire, Stems and branches subjula- 
ceous. — Limestone rocks r. Amer. Can.: Macoun. d 
15.A.tenuissimum Guembel. 
Stem-leaves narrowly. ovate-lanceolate, faintly denticul: e 
