— .824 — 
5.B.pomiformis L. — Bryum L.; Bartramia Hedwig. i 
Leaves nearly gradually tapering and long-subulate, not de- 
current, crisped; costa not long-excurrent. Pedicel exserted 
above shoots. Monoecious or subparoecious. — On earth princ. 
on rocks. Eur. common. Sweden, Norway, Switzerl.! Amer. 
Can: Macoun; Waghorne. U. S.: Sullivant, com. C. M. 
b. Leaves sheatbing, more or less distant. 
6.B.erispa Swartz. 
Leaves. nearly graduallly tapering to a not long subula, not 
decurrent, circinnate; costa not long-excurrent. Perichetialleaves | 
with very long-excurrent costa, Pedicel us. not exserted above ~ 
shoots. Tufts sparingly radiculose, green or dark green. Paroe- 
cious or synoecious. — Rocks not r. Eur. Sweden! Amer. Can:: 
Macoun. ^ 
7.B.glaucoviridis C. M. et Kindb. l. c. 
Leaves sublinear abruptly short-subulate subcircinnate not - 
decurrent; costa subpercurrent or short-excurrent. Pedicel not - 
long. Tufts glaucous green very, radiculose... Subparoecious. — _ 
Wet rocks in alps r. Amer. Can. B. C. near Revelstoke: Macoun. | 
8.B.eireinnulata C. M. et Kindb. 1. c. ] 
Leaves abruptly tapering and long-subulate circinnate decur- 
rent; costa very long-excurrent. Capsule and flowers unknown. — 
Tufts bright green sparingly radiculose. — Amer. r. Can. Brit. 
Col.: Macoun. 14 
II. Plagiopus Bridel. 
9.B.0ederi Gunner. — Bryum Gunn.; Bartramia. Swartz. 
‚Leaves gradually narrowed short-subulate not sheathing, 
slightly curling; upper cells subquadrate; costa percurrent. Cap- 
sule erect when moist, sometimes small. Tufts compact. Synoe- 
cious.. — Rocks princ. in alps. Eur. common in subalp, region. 
Sweden, Norway, Switzerl| Amer. Can.: Macoun. z 
; _ 139. Philonotis Bridel. A 
I. Eu-Philonotis. Male flowers disciform with more or less 
patent, leaves.  Dioecious, IR 
1. Homomorphe. Leaves nearly uniform small narrow, 
serrate (without double mamille at borders) not falcate, often - 
distant. Perigonial leaves acuminate acute. Stem often subcapillary. — 
2. Dimorphz. Leaves gen. dimorphous and large, r. distant: 
some short subovate with us. not recurved borders, the others 
gen. ovate-lanceolate or ovate-oblong, often recurved at base and - 
sometimes falcate; borders serrate or furnished with double 
mamille, Stem gen. long and thick with long branches. | 
