— 312 — 
Eur. not r. France, Switzerl.! Sweden: Groenwall. Amer, r. 
»Can.»: Mitten. | 
*@Q.scopulorum Lindberg. —- O. Arnellii and O. rufescens 
Greenwall; Limpricht. » | 
. Leaves obtuse at apex. Calyptra sometimes papillose. — 
Rocks r. Eur. Finl: S. O. Lindberg. Sweden: Arnell. 
* 0.Rogeri Bridel. 
Leaves gen. obtuse. Capsule red brown; teeth reddish; sto- 
mata more immersed. — Trees r. Eur. Austria: Arnold in Ra- 
benhorst bryotheca n. 1239. Norway: Kaurin. Amer. »U. S»: 
Cardot. A o 
58.0.ohioénse Sullivant et Lesquereux. — Sulliv. icon. m. - 
Differs from O. pallens: Leaves decurrent, nearly smooth; 
inner basal cells short-rectangular, the outer subquadrate, the 
alar larger and rectangular. Capsule thick often immersed; 
neck short; teeth pale; calyptra sparingly hairy. — On trees. 
Amer. U. S.: Austin, com. C. Mueller. Can.: Macoun. 
59.0.leucomitrium Bryol. eur. d 
. Leaves: broadly acuminate, gen. acute or subsubulate at apex, 
faintly papillose; inner basal cells somewhat long. Capsule 
greenish nearly or wholly exserted with long defluent neck, 
narrower than in O. pallens; stomata much immersed; teeth 
whitish sometimes not connate; calyptra narrowly conic whitish 
nearly glabrous. Stem 0,5—1 c. m. high. — Trees (princ. - 
Salix alba) in southern districts r. Switzerl.!; Philibert. Austria: 
Venturi. France: Puget. t 
b. Capsule finally strangulate. ie 
aa. Capsule narrow oblong-cylindric, often exserted; neck. 
long; calyptra narrowly conic. uas 
60.0.tenellum Bruch. BA 
Leaves long carinate very papillose; inner basal cells some- 
what long. Capsule with defluent neck; teeth pale connate m- 
pairs; calyptra yellow sparingly hairy. Stem 1—2 c. m; high. — 
On trees princ. in lower districts. Eur. not common. Swi M 
Sweden!; Grenwall. Italy: Venturi. Germany: Herpell. Amer. 
r. Can.: Macoun. por 
bb. Capsule thick oval-oblong, us. immersed; neck short; 
calyptra broad. E: 
61.0.stramineum Hornschuch. | p 
Leaves us. long acute often carinate; inner basal cells long- 
rectangular. Capsule piriform more or less emergent; teeth orange 
papillose; ealyptra straw-colored us. with few short hair* 
