ses ME ze. 
l.Myura. Leaves gen. obtusate or short-pointed, not decurrent; 
upper cells (either on stem- or branchleaves) rhombic-oblong; i 
costa gen. short. Branches us. curved, often julaceous. Dioe- 
cious, | 
2.Myosuroidea. Leaves gen. long-acuminate, often short-decur- 
rent; borders not or near base recurved; upper cells lanceolate; 
costa us. reaching to acumen. Branches not julaceous, often 
curved. Dioecious not often fruiting. = 
3.Stolonifera. Leaves long-acuminate us. recurved to acumen; 
cells linear; costa reaching to or in acumen. Branches not : 
julaceous, us. straight, often with numerous flagellee (stolons). | 
Monoecious or pseudo-monoecious often fruiting. E 
B. Branches compressed. ; 
4.Thamnioidea, Leaves small not decurrent, subdistichous gen. 
obtusate; upper cells suboval or rotundate. Branches r. curved. 
Dioecious. 
1. Myura. 
A. Leaves obtusate or short-acuminate. a 
a. Stem-leaves entire at least below middle; costa short faint. 
l.I.myurum Pollich. — Hypnum Poll.; Isothecium Bridel. : 
Stem-leaves suboblong acute gen. obtusate, denticulate above; 
branch-leaves oblong-lanceolate short-acuminate faintly denticu- 
late; upper cells rhombic-oblong, lower sublinear, alar rotun- 
date on a round or short-triangular space; costa vanishing near 
middle. Perichetial leaves serrate above middle, subulate ae 
minate sometimes  filiform-pointed. Capsule eylindric-oblon 
erect; teeth pale yellow; segments pale as high; cilia short; lid. 
apiculate or rostellate; pedicel smooth. Branches crowded fasci- 
culate not julaceous. Tufts loose green. Not r. fruiting. 
Trees, rocks and earth in woods. Eur. common. Sweden, Ge 
many, Switzerl.! 
2.T.circinnans Schimper. — Hypnum Sch.; C. M. syn.; Iso 
thecium Sauter; I.myurum 
Differs from the last: Leaves larger and broader, oval-oblon 
subobtuse entire; perichetial entire with very short acumen 
Stem pinnate; branches julaceous often acute. Tufts dense. — 
Rocks r. Eur. Spain, Switzerl.! France: Husnot. ut 
Stem-leaves from ovate-oblong base abruptly narrowed to 
short subulate or filiform point, faintly denticulate above; cells 
sublinear also at apex; costa short but distinct. Branch-leaves 
oval-oblong obtusate obtuse or subacute, serrate nearly all 
