— 207 — 
flexuous. Capsule very small, less distinctly strumose. — Higher 
alp. region r. Eur. Switzerl.»: Schimper. 
5.D.polaris Kindb. note on Canad. bryol. 1893. 
Differs from D. cerviculata; Plants smaller. Leaves shorter 
nearly straight and not flexuous; upper cells suboblong; costa 
broader, filling the whole acumen. Capsule very small and 
not striate, less distinctly strumose; teeth nearly entire or faintly 
cleft. Stem very short. — Arctic distr. r. Amer. Alaska: J. M. 
Macoun. 
6.D.cerviculatula Kindb. 1. c. 
Differs from D. cerviculata: Leaves gradually narrowed; cells 
. short quadrate, only the inner basal narrow; costa narrower 
and well-defined, only in perichetial leaves distinctly excurrent. 
Tufts dark green. — Amer. r. Can. Hudson Strait: R. Bell, 
com. Macoun. 
III. Eu-Dicranella. 
A. Leaves channelled; costa long-excurrent. 
x a. Leaves abruptly acuminate from the us. half-sheathing 
ase l 
7.D.secunda Swartz. — Dicranum Sw. 1795; Dicranella Lind- 
berg; D. subulata (Hedwig 1801) Schimper. : 
Leaves entire with suboblong base, subfalcate not crisped; 
lower cells narrow, the upper oblong; costa gen. entire. Capsule 
cernuous finally sulcate; teeth cleft to middle; lid long-rostrate; 
annulus revoluble. — Wet stony ground princ. in alps. Eur. 
not r. Sweden, Norway, Switzerl.! Finl.: Brotherus. Amer. Can.: 
J. Macoun. Alaska: J. M. Macoun. ] 
*D.curvata Hedwig. — Dicranum H.; Dieranella Seh. ——— 
Leaves with shorter base; costa denticulate above. Perichetial 
leaves not convolute. Capsule us. erect. — Wet sandstone 
rocks r. Eur. Germany: Huebner. France: Boulay, com. Hus- 
not. Amer. »U. S.»: Lesq. et Jam. 
8.D.erispa Ehrhart. — Dicranum Ehrh.; Dicranella Sch. 
Leaves entire with subovate base, crisped when dry; cells 
gen. narrow; costa minutely denticulate near apex. Capsule 
erect finally sulcate; teeth red-brown cleft to middle; lid long- 
rostrate; annulus not wholly revoluble. — Sandy ground. Eur. 
not r, Norway, Sweden! Engl: Holt. Amer. Can.: Macoun. 
9.D.parvula Kindb. bull. Torr. club 1889. i 
- Leaves crenulate all around with subovate base, crisped or- 
curved when dry; basal cells long linear, upper oblong-quadrate; 
costa denticulate above. Capsule inclined or suberect; teeth 
