Rhizogonium.\ 
IV. MTJSCI. 
435 
small, almost turbinate, annulate; operculum conical, beaked, nearly as long 
as the capsule. Inflorescence dioecious. 
Middle Island : on trees, Dusky Bay, Menzies ; Port Preservation, Lyall. 
4. R. bifarium, Schimper in Bot. Zeit. 1844, 125 ; — -FI. N. Z. ii. 116. 
Stems |-1 in. high, slender, branched above ; branches few, subfascicled, 
slender, curved, rachis flexuous. Leaves dull green, distant, spreading, dis- 
tichous, rigid, ovate-lanceolate, acuminate; margin more or less thickened, 
doubly-serrate ; nerve solid, continuous. Fruitstalk from the middle of the 
stem, curved at the top. Capsule small, horizontal, ovoid; operculum coni- 
cal, beaked, shorter than the capsule. — Hypnum, Hook. Muse. Exot. t. 57, 
FI. Antarct. i. 137. Trachyloma, Mitten. 
Northern and Middle Islands: common in forests on stumps of trees, etc., Menzies, 
etc. Chatham Island, W. Travers. Lord Auckland’s group, J. D. H. (Tasmania.) 
5. R. spiniforme, Bruch; — FI. N. Z. ii. 116. Stems rigid, 1-3 in. 
high, stout, unbranched. Leaves yellow-brown or reddish, loosely imbricate, 
spreading, rigid, linear-subulate ; margin thickened, doubly spinulose-serrate 
on the edges and keel ; nerve stout, excurrent. Fruitstalk basilar. Capsule 
horizontal, oblong, arcuate; operculum beaked. — Hypnum, Linn.; Hedwig 
Sp. Muse. iii. t. 25. 
Var. j3. Stems more slender; leaves shorter. — PI. Antarct. i. 137. T. Hookeri, C. Muell. 
in Bot. Zeit. 1851, 547- 
Northern Island: Bay of Islands, Cunningham. Kermadec group, M‘Gillivray, 
Var. £. Middle Island : Queen Charlotte’s Sound, Jolliffe. Lord Auckland’s group 
and Campbell’s Island : on rocks, barren, J. D. II. (Most tropical and temperate southern 
latitudes.) 
6. R. mnioides, Hoo/c.f. and TFils. FI. N. Z. ii. 116. Stems |-1 in. 
long. Leaves dull green, lurid, erecto-patent, twisted when dry, lanceolate- 
subulate, decurrent at the base ; margin narrowly thickened, doubly serrate ; 
nerve solid. Fruitstalk basilar, in. long. Capsule subcernuous, ovoid; 
operculum beaked. — R. Mossmanianum, C. Muell. in Bot. Zeit. 1851, 547. 
Hypnum, Hook. Muse. Exot. t. 77. H. subbasilar e, Schwsegr. Suppl. t. 256 
(not of Hooker). 
Northern Island: mountains of the interior, Colenso ; Auckland, Knight; Port 
Nicholson, Sinclair. Middle Island : Dusky Bay, Menzies, Lyall. (Tasmania, Andes, 
Fuegia.) 
7. R. subbasilare, Scldmper in Bot. Zeit. 1844, 125. Branches erect, 
compressed, simple. Leaves subbifarious or subsecund but not distichous, 
erecto-patent, lax, linear-lanceolate, or linear-ligulate, acuminate, pellucid, 
serrulate; nerve vanishing below the apex; cells lax; perichsetial minute, 
nerveless. Fruitstalk basilar, flexuous. Capsule cylindric-oblong, cernuous 
or horizontal ; operculum conical. Inflorescence monoecious. — FI. Tasman, 
ii. 216. Hypnum, Hook. Muse. Exot. t. 9. H. mnioides, Schwaegr. Suppl. 
t. 257, not of Hook. 
Middle Island : Canterbury, on shaded rocks, Travers ; Otago, Lammermuir hills and 
Waipori Creeks; Hector and Buchanan. (Tasmania, Fuegia.) 
66. HYMENODOU, Hook. f. and Wils. 
A small elegant dioecious moss, with the habit of Rhizogonium. Leaves 
