— 944 — 
2.D;eanadensis Kindb. revue bryol. 1896, — D. clavellata var. 
canadensis Kindb. cat. Canad. m. ` kde 
Differs from the last: Leaves gen. subobtuse, channelled, 
distinctly involute at borders all around.  Perichetial leaves 
broader, more obtuse; nearly all cells lax and long-rectangular. 
Capsule globose:a little larger; lid short-rostrate. Tufts some- 
times brown. Monoecious. Nearly allied to D. obtusifolia C. — 
M. from Chili. — On trees r. Amer. Can. near lake Erie: 
Macoun. 
108. Seouleria Hooker. pt 
" A. Leaves broad, thinly or indistinctly limbate only below. a 
Peristome gen. persistent at least partly. : 
1.S.aquatiea Hooker. — Grimmia Scouleri C. M. à 
Leaves ovate-lanceolate, broader at base, below middle tape- 2 
ring to the contracted broad point, sharply serrate to it from . 
middle, blackish (or only the uppermost green) and strongly 
appressed when dry; marginant cells opake very distinct; other | 
cells gen. dusky thick-walled, exe. few linear not porose inner 
basal. Inner perichetial leaves shorter and less dusky. Perigo- 
nial leaves short suboval very obtuse. — Wet rocks r. Amer. 
Can.: Macoun. U. S.: Henderson, com. Cardot. 
2.S.Muelleri Kindb. cat. Canad. m. dite 
Leaves subelliptie, broader near middle, with very short ar- 
rounded broad point, sharply serrate from it to below middle, 
olive green and sometimes less strongly appressed when dry; 
cells subpellucid, the marginant pale orange not well-defined, 
the linear inner basal numerous porose. Inner perichetia! 
leaves very pellucid from short dilated entire base tapering to 
a sublinear serrate acumen. — Wet rocks r. Amer. Can. Pacif. : 
distr. Brit. Col. near Revelstok 1890 and Vane. isl. 189 
Macoun. T 
* S.eatilliformis C. Mueller. ied 
Leaves nearly entire; marginant cells dusky. Capsules un- 
known. — Amer. r; U. S.: Roell, com. C. Mueller. - 
3.8.Neevii C. Mueller. ge 
Differs from S. Muelleri: Leaves obtusely crenulate, pate 
when dry; upper cells dusky, the lower subpellucid, the ma 
ginant opake, the linear inner basal few not porose. Capsul 
unknown. — Wet rocks r. Amer. Pacif. distr. Can. Se 
mts 1885 and 1890: Macoun. (Determined by C. M.) ee 
B. Leaves narrow thickly limbate all around. Peristome 
very short and brittle soon deciduous or adhering to lid. — 
