— 190 — 
acuminate; excurrent part of costa more or less serrulate, Peri- 
chetial leaves subconvolute abruptly apiculate. Capsule some- 
what large; pedicel us. long. Tufts sparingly radiculose us, 
green or brown-green. Not r. fruiting. — Rocks and stumps. — 
Eur. common. Sweden etc.! Amer. not common. Can.: Macoun; 
Drummond. 
* D.Sauteri Schimper. 
Leaves gen. entire; costa occupying about '/, of leaf-base, - 
nearly entire; inner basal cells more numerous.  Perichetial 
leaves long-subulate. Tufts dense not sparingly radiculose. — 
Rocks r. Eur. Norway, Switzerl! Austria: C. E. Kindberg. 
* D.paehytrichum Kindb. cat. Can. m. (as var.) 
Leaves entire brittle; costa occupying about t/a of leaf-base, 
faintly serrulate above; inner basal cells numerous. Perichetial 
leaves exserted convolute short-acuminate.  Pedicel of capsule 
about 1 centim. long. Tufts brown when dry; stem wholly - 
tomentose. — Alp. rocks r. Amer. Brit. Col, Selkirk mts 1300 — 
metr. a. sea: Macoun. ; 
B. Lamina of leaves much shorter than the excurrent part 
of costa; alar cells reaching to it. Leaves rigid; costa very 
broad at base. Tufts us. tomentose. 
15.D.paehyneuron Molendo. — Campylopus M.; Dicranum Kindb. 
Leaves falcate not brittle; awn subulate serrulate. Capsules x 
unknown. Tufts compact very tomentose. — Alp. rocks I. 
Eur. Switzerl.! 
16.D.serratum Kindb. (in litt. ad Limpricht 1887). ; 
' Leaves brittle more or less curved; awn strongly serrate, its 
upper part sublinear. Capsule as in D. longifolium. Tufts d 
more or less radiculose us. green. — Rocks r. Eur. Norway 
Dovrefjeld ete.| Sweden Dalsland near Rostock!; Uddewalla: P. . 
Larsson. Germany: Roell, a 
VI. Dicranodontium Bruch et Schimper. ue 
17.D.longirostre Weber et Mohr. — Didymodon W. M.; m". 
cranum Kindb.; Didymodon denudatus Lindb.; Dicranodontium —— 
virginieum Britton. y 
Stem not brittle. Leaves brittle at base and easily deciduous, 
gradually tapering to a long-subulate in upper part faintly se 
rulate acumen, flexuous or falcate; lower cells (above the alar) i 
gradually narrower from costa to border. Tufts us. yellowish — 
or green. Not r. fruiting. — Rocks, earth and decayed trunks. 
Eur. hot r. Spain, Switzerl, Sweden! Norway: R. Hartman. 
Austria: Breidler, Amer. r. Can.: Moser, 
