Ba bd BRYOLOGY OF NEW ZEALAND. 
from the rest (cf. Brotherus, Musci, fig. 789). The capsule also is 
suberect. 
. homomallum is a rare species, and has not, I believe, been 
found in the South I. 
AMBLYSTEGTACEAE. 
Stems irregularly or pinnately branched. Leaves arranged all 
round the stem, or faleate, not complanate. Nerve single (in Acro- 
cladium very short, sometimes double or even wanting). Capsule 
nearly always curved, often arcuate; lid conical, often mamillate, 
not beaked. Seta smooth. Mostly moisture-loving plants, frequently 
semi-aquatie. 
Kry TO GENERA. 
gee ae —— (3-4 SX 1), often paren- 
1 chymat 
RS koe oe a SS Acrocladium 
Nerve “reaching to uae tives leaves elliptic- 
long, obtuse or apiculat 
4 
SUAS Ss RR en Sage eereela Sabha siecee Amblystegium 
Upper colt ‘hn and narrow, prosenchymato USicsiee a tot 
{ Leaves with a aifferentiated border (often faint) Sciaromium 
2 
DROVES WnbOrdered a a ee is eae Bee frei 3 
3 Leaves obtuse or shortly wit widely pointed Stas: Glueioss eb 4 
eR Pus r i ch a 10 08 CR ae a ae nD # tor aa eA gee fer eee tage oe sen 5 
eet ee Calliergon 
( Sea more or less ape: ca SN oh Yes lees aaa Drepanocladus 
5 raglan a. in all directions, often squar- 
| Boe ea ge Safa, ey ey Campylium 
AMBLYSTEGIUM Bry. eur., fase. 55-56 (1853). 
The New Zealand species are known by the smooth, often short 
iy rhomboid-hexagonal upper cells, together — the short, obtuse 
ques 88 lone as broad co Se ee 2. riparium 
Leaves smaller, 1.5 mm. long, or less, cells 4-6 
ti a Broad once oe 
j ee stems irregularly branched; _leaves 
straight, Gea ells small, subquadrat ek 1. serpens 
Dioicous; stems more or less pinnate; * taaves 
2 faleate-secund, distinctly auricled at ages 
with enlarged alar cell 
pete large, 2.5 mm. long, or more, cells 8-15 
Seas 3. filicinum 
1. Amblystegium serpens (L.) Bry. eur., loe cit. 
Syn. Hypnum serpens Linn. Sp. Pl., p. 1130. 
ender, dark green moss, with filiform stems and branches, - 
and SSE leaves, which are variable in form, nore or less 
ovate-lanceolate or lanceolate, entire or denticulate, with a single, 
, but except in form 
rdly different from the adjacent cells, and quite without enlarged 
decurrent alar cells. 
es 
5} ease, Wis a Be 
— 
