378 FLORA VITIENSIS. 
1. O. pendulum, Linn, Sp. Pl. ed. 2. p. 1518; rhizomate subgloboso ; frondibus sessilibus, 
solitaribus v. fasciculatis, fascizeformibus, planis, carnosulis, indivisis y, seepius versus apicem dicho- 
tome divisis, basi longissima angustatis; spica fructifera, in parte inferiore frondis obyeniente soli- 
taria rarissime gemina, linearis, obtusa.—Ophioderma pendula, Endl. Gen, Pl. p. 66,—Viti (Seemann ! 
n. 794; Harvey! Milne! Greeffe!), Also from Aneitum, New Hebrides (M‘Gillivray !), Eromanga 
(M‘Gillivray !), Tahiti (Nelson! Barclay! n. 1335), and Oahu (Nelson! Barclay! n. 1233), 
Orvo CVIII. MUSCI. 
(Auctorr W. Mirren.) 
A. HOMODICTYI.—Foliorum areolatio e cellulis homomorphis. 
1, ARTHRODONTES.—Peristomii dentes 16 vel (dentibus per paria coalitis) 8, vel (dentibus 
usque ad basin fissis) 32, pluries transversim articulati, e cellularum stratis binis compositi. 
* Folia in plano horizontali, rarius verticals expansa, 
+ Caulis erectus, procumbens vel repens, exw apice vel ex apicibus ramorum elongatorum rarissime 
abbreviatorum fertilis. 
The following tribes of Polynesian Mosses have not yet been found represented in Viti, viz :— 
Tribus I. Grimuirm.—Folia viridia, brevia, obscura, sepe hyalino-pilifera, nervo haud dilatato, cellulis basi- 
laribus haud coloratis. Peristomii dentes integri, vel sepius irregulariter fissi, 
I. Grima, Ehrh. Beitr, vol. i, p. 176, Caules breves vel elongati, dichotomi vel fasciculatim ramosi, 
sepe pulvinatim cxspitantes. Folia cellulis densis obscuris areolata, Thecs: in pedunculo breviusculo recto 
vel curvato leves vel plicate, equales, peristomii dentibus 16 solidis yel diyisis pertusisve rarius nullis, calyp- 
tris mitriformibus vel dimidiatis. Musci rupestres, ut plurimum ewspites canos formantes.—An extensive 
genus, of which the greater number of the species are found in the northern hemisphere, and prefer to grow 
on rocks or stones in very exposed situations. 
1. G. ovata, Web, et Mohr, Bryol. Europ, t. 17 eb 18; monoica, compacte ceespitosa; caulis fureatus ; 
folia erecto-patentia, inferiora apice obtusa, superiora subulato-angustata cano-pilifera, margine uno latere 
recurvo, nervo percurrente carinata, cellulis basilaribus oblongis, lateralibus paucis rectangulis, superioribus 
parvis rotundis limitibus pellucidis, perichetialia erecta majora longius incana ; peduneulus brevis, rectus, vix 
vel parum ultra apices foliorum perichietalium productus ; theca oblongo-ovalis, levis, olivaceo-fusea, basi sub- 
eallosa, operculo conico-rostrato, peristomii dentibus fissis perforatisyve, calyptra lobata——Sandwich Islands 
(Ilerb. Hooker!).—This species forms compact tufts of a greyish-green colour above from the white points 
of its leaves; the stems are seldom more than inch in height, and below have the older foliage blackish. It 
is found nearly all over the world, 
. Ti. GLYPHOMITRIOM, Brid. Meth, p, 80. Brachysteleum, Reichenb. Ptychomitrium, Bruch et Schimp. 
Caules pulvinatim cespitantes. Folia canaliculata, firma, siccatione crispata, cellulis obscuris, Theca in 
pedunculo recto levis, rarissime subplicata, peristomii dentibus sapius ingequaliter divisis ; ealyptra mitritor- 
mis, plicis lavibus vel interdum dentatis, 
1. G, Milleri, Mitt. Linu, Soc. Journ. 1859; caulis humilis; folia a basi lata subquadrata superne 
paululum dilatata vagiuante angustata patentia sublanceolata, apice obtuse acuta subeucullata, neryo sub- 
summo apice evanido ecarinata, integerrima, cellulis basi ad medium partis latioris oblongis rectangulatis, 
inde ad apicem usque parvis rotundis obscuris, perichetialia tria breviora ovata acuminata ; theca in pedun- 
culo 3-A-lineari ovalis, aetate corrugata, operculo subulato subxquilongo, peristomio dentibus divisis vel 
pertusis, calyptra plicis levibus.—Lord Howe’s Island (Milne !).—A little more robust than the South 
African G. crispatum, Hook. Bot. Mise. 1830, t. 36 Thi 1es 1 ; : rian 4h 
srigitedlly sent by De I son Wiailee ; is species is found also in Australia, whence it was 
ts 7 ie , rate . . . s . 
Tribus IT. Set Ene viridia, obscura, cellulis inferioribus haud conspicue diversis. Peristomiwm 
ws simplea, rarius duplea, dentibus sepe angustis elongatis turtis, interdum nullum. 
- Weista, Hedw. Fund. vol. ii. p.90. Caulj i <1 Tee eae . 
Pp 18 ex apice fertilis. Folia viridia vel flavo-viridia, margine 
incurva, cellulis parvis obseuris areolata, Peristomium si adsi = eels 
7 . 7s . 1 ad + a ; 
calyptra dimidiata parva.—Hyophila, Brid. vol. i, p. 760. sit dentibus 8 vel 16, ad basin usque diseretis 
