— ee 
apiculate; pedicel faintly rough. Not often fruiting. — Stones, 
logs and earth in woods. Eur. not r. Norway, Switzerl.! Amer. 
r. Can: Macoun; Waghorne. ? 
9.H.flagellare Dickson. — Hypnum Dicks.; Hylocomium Kindb. 
Laubm. S. u. N. ; 
Leaves sharply serrate all around; angular cells dilated oval- 
oblong very numerons. Stem-leaves from short base long-acu- 
minate, sometimes filiform-pointed; branch-leaves shorter-acu- 
minate. Capsule oblong; lid apiculate. R fruiting. — Wet 
rocks near running water r. Eur. Spain! Engl.: Holt. 
IV. Hypnopsis Kindb. 
A. Pedicel of capsule smooth. Costa of leaves us. double. 
a. Leaves denticulate mamillose very large, squarrose. 
10.H.triquetrum L. — Hypnum L.; Hylocomium Sch. 
Leaves densely crowded, often striate; nerves us. two. Stem- 
leaves ovate-cordate acute sometimes short-acuminate; branch- 
leaves longer-acuminate; angular cells dilated subrectangular 
hyaline. Capsule arcuate, striate when dry; teeth purplish; 
cilia long; lid acute or apiculate. Stem erect. Earth in woods 
gen. common. — Eur.! Amer.: Macoun etc. 
b. Leaves not mamillose, appressed when dry; those of ste 
entire or indistinctly denticulate. 
11.H.Sehreberi Willdenow. — Hypnum W.; Hylocomium 
Kindb.; Hylocomium parietinum Lindberg. 
Stem red; branches gen. not turgid. Leaves not or faint 
striate; upper cells lanceolate, middle sublinear, lower inn 
oblong-lanceolate often yellow; angular cells suboval red-yello 
special alar not well-defined; costa short double. Stem-leav 
broad-ovate entire obtuse or apiculate; branch-leaves oblo 
subacute denticulate at apex. Capsule suboblong arcuate; teet 
pale; segments open in middle; lid acute; pedicel long or sho: 
Not r. fruiting. — Earth in woods and heaths common. Eur 
Amer. Macoun etc. 
12.H.purum L. — Hypnum L.; Hylocomium Notaris. 
Stem pale or yellowish; branches turgid. Leaves striate u 
green; cells green, lowest basal large suboval, alar not muc 
larger, the others gen. linear; costa short double or simf 
reaching above middle. Stem-leaves round-oval abruptly narr 
wed to a short subulate point, nearly entire; branch-leavt 
suboblong subacute denticulate all around. Capsule subobl 
arcuate; teeth yellow; segments split in middle; lid rostellat 
pedicel us. long. R. fruiting. — Earth in woods and hea h 
