328 BRYOLOGY OF NEW ZEALAND. 
convineed that they are camer with the New Zealand plant 
which has always gone under the name of R. aristatum. The descrip- 
the authors were probably not acquainted. Curiously, however, in 
that work the distribution of H. aristatum is given as “New 
Zealand,’’ implying that the authors knew of a record, unspecified, 
from New Zealand. 
R. laxatum is a frequent species. 
2. Rhynchostegium tenuifolium (Hedw.) Jaeg. Adumbr. ii, ns 
Syn. Hypnum Se Hedw. Sp. Musc., p. 283, t. 75 
(1801) ; Handb. N.Z. FL, p. 478. Z. atari Fi. 
N.Z. ii, “ (non H. sconfertum Smith). H. collatum 
nm te Fi. ii, 209. Rhynchostegium 
Huttonii spies Bee ket m- Trans; N;Z. -Inst., xxv, 
300 (1892). ? oe Araee iacutcfoisine C. M. e Geheeb 
in Rev. Bryol. 1877, p. 53. 
This common and widely spread moss—its vale iee gi includes 
great part of S. America, Australia, and Tasmania—is 
variable, being sometimes very lax and straggling in habit, some- 
seta is usually, but not rakes tly longer. The cells are nee and 
more pellucid, and the perichaetial leaves longer ae pread- 
ing. (N.B.: The figares’o of the perichaetia of H. aris i hon ite 
collatum in Fl. Tasm. ii, t. 176, appear to have been pe ne sed. ) 
t is very near to ‘the European R. confertum and R. mega- 
politanum., 
R. Hutton Hampe MS. in herb. ‘‘No. 243, New pong prope 
H. murale’’ is a rather small form, with setae only 1 em. long, but 
differs in no way from specimens of R. tenia ‘i Possess hee 
Mitten’s herbarium, O85 ‘* New Zealand, coll. Ker and ‘‘ Tas 
mania, coll. Archer. 
H. cha Nf olson C.M. e deser. can hardly be any thing but 
this; it is a ribed from ie caelege aplant ~~ ele red with ‘“‘ H. 
acutifolium HL f. ewe the true H. acutifolium H. f. & W. is 
a totally different thing jeri a Bidenoling goutifolauhye. 
ynchostegium cylindritheca Dixon in Bull. Torr. Bot. Cl. 42: 
eet (1915). 
This eee a and figured in the above publication, 
appears to be q good species, distinct from R. tenuifolium in 
the longer, ome seg the long, narrow capsule, and the quite 
erect perichaetial leaves. The leaf cells are also somewhat narrower 
(3-5 » wide as hea a with 5-8»), and the capsule lid is very 
—. and lonely be 
t seems, too, ore the time of fruiting is different, the capsules 
ac mature at midsummer, while in R. tenuifoliwm they mature 
