320 BRYOLOGY OF NEW ZEALAND. 
Key. 
cells elongate, PAV Gt ee ee 1. polygamum 
Nerve broader, leave res Snore or less squarrose; 
Geile “short; “AiG yeterivid == ee a a ee 2 
Robust, a mostly Wg leowigems spreading, . 
often a nerve stout, — often 
in one eras Aes eee ay Miter ee ee a a 2. relarum 
Slender; leaves strongly recurved; nerve thin, 
Mien MNTtOr 2 a et a 3. decussatum 
ait thin, leaves oho patent, not squarrose; 
1. Campylium polygamum (Bry. eur.) Bryhn, — - 61 (1893). 
Syn. Amblystegium polygamum Bry. eur., vol. vi (1853). 
Hypnum polygamum Schimp. Goroll. Dp. "31 (1856) ; 
Handb. Ne Fl, p. 479. oe nodiflorum Wils. in 
Fl. N.Z. ii, 109. 
ariable plant in size, in the ae of the leaves, and in 
the eieaes of the nerve, which may be very short. The plants 
are usually of a golden yell owish eee somewhat glossy, and 
usually fertile. It : not likely to be confused with any other plant. 
The leaves are quite entire, and the finely acuminate subula is more 
or less channelled, by which it m may be distinguished from Drepano- 
cladus aduncus, and A sae del ek riparium 
C. pol samen appears to be widely distributed, but not 
common. 
The two following plants are in quite a different Vassig ies and 
Fleischer. bet perhaps be justified in placing them i separate 
genus (Centouearousisy. They have the tee! aasnaty Saiki: 
below, and more or less clothed with paraphyllia above; the leaves 
are decidedly ¥ ugeoticane with short, Amblystegioi d eells, wider, but 
often illdefined nerve, and the margins usually serrulate. The 
inflorescence is dioieous 
2. Campylium relaxum (H. f. & W.) Broth. in Engler & Prantl, 
Pflanzenfam., Musci, ii, 1044 (1908). 
Syn. Hypnum relarum H. f. & W., Fl. N.Z. ii, 110 (1855) ; 
Handb. N.Z. FL, p. 479. 
This and the aL species are very distinct from all other 
New Zea = mosses, but are by no means always easy to separate 
fr 
nd 
the cells more eclleca. and t ea usua ly fuels. but sents 
distinctly serrulate. There are, however, soe which it is very 
anon o paige C. relarum is usually of laxer growth, and 
distan ir ar branching, C. decussatum more densely 
onasawcty pend e but this is not constant. 
