4. Rhizogonium spiniforme (Hedw. Muse. Erond. t. 25) ; monoicum, foliis laxe imbricatis patentibus
rigidis lineari-subulatis marginatis excurrentinerviis duplici serie spinoso-serratis, seta elongata basilari,
capsula oblonga arcuata horizontali, operculo rostrato.—Hypnum spiniforme, Linn. Sp. Fl. 1587;
Bridel, Bryol, Univ. ii. 557.
H a b . Hobarton (barren specimens only), on dead wood,/ . i> ./ / . Cheshunt, Mount Wellingtou,
Mossman.
D is t u ib . New Zealand, Norfolk Island, Antarctic Islands, South America, West Indies, Florida,
Mexico, Sandwich and Pacific Islands, East Indies, Philippine Islands, Java, Ceylon, and South Africa.
5. Rhizogonium mnioides {Rypmm, Bridel, Bryol. Univ. ii. 559) ; dioicum, foliis erecto-patentibus
basi decurrentibus lanceolato-subulatis anguste marginatis duplici serie dentatis solidinerviis siccitate
tortilibus, seta elongata subbasilari, capsula ovata subcernua, operculo rostrato.— Hypnum mnioides. Hook.
Mvsc. Fxot. t. 77. H. subbasilare, Schwægr. Suppl. t. 256.
Var. 0 . contortum; surculo graciliori, foliis brevioribus siccitate contortis margine involutis, perichætialibus
longius lineari-acumiiiatis serratis.—R. Hookeri, C. Mueller, et R. Mossmanianum ifusd., Bot.
Zeit. 1851, y?. 547 ; conf. Mitten, in Jonrn. Linn. Soc.
Var. y . lutescens; surculo humiliori, foliis confertis lanceolatis (nec basi dilatatis) siccitate parum
crispatis, areolis majoribus.
H a b . Yar. 0 . On stones and decayed wood, in damp woods : Mount Wellington, J/o im a « . Brown’s
River, Back River Gully. ( J .B .H .) [Oldfeld, lU , Z'Ze.) Var. 7 . Western Mountains. (G«««, 1612.)
D is t u ib . New Zealand, Antarctic Islands, Fuegia, South America.
Probably Mnium Hookeri (C. Mueller, Muse. Syn. ii. 555) belongs to our var. ß.
6 . Rhizogoniïun subbasilar e (Schimper, Bot. Zeit. 1844, p. 125) ; monoicum, surculis erectis,
foliis erecto-patentibus subsecundis (haud compressis) laxis lineari-lanceolatis pellucidis evanidinerviis laxe
reticulatis margine (raro duplici serie) spinuloso-dentatis, seta elongata subbasilari, capsula subcylindrica
horizontali, operculo conico.— Hypiium subbasilare, Hook. Muse. Exot. t. 10; Fl. Antarct. ii. 417. H.
mnioides, Schwoegr. Suppl. t. 257.
H a b . On dead wood, not uncommon. (Gunn, 4 4 , 4 5 b.) Cheshunt, Archer.
D is t e ib . Cape Horn, Hermite Island.
Gen. LV II. IIYMENODON, Hook. fil. et Wih.
Peristomium simplex; dentes 16, membranacei, æquidistantes, lineari-subulati, planiusculi, fugaces,
apicibus cohærentes, membrana basilari angusta connexi. Calyptra dimidiata. Capsula suberecta. Operculum
rostratum.—Florescentia dioica. Habitus Rhizogonii. Vita arborea. Folia distiche imbricata,
elliptica, plana, pilifera, papillosa ; areolis subrotundis, minutis.
1. Hymenodon p ilife r (Hook. fll. et Wils. Fl. N. Zeal. 117. t. 92. f. 3) ; dioicus, surculis simplicibus,
foliis laxe disticheque imbricatis patentibus elliptico-oblongis planis longe piliferis evanidinerviis
papillosis margiue crenulatis, perichætialibus lanceolato-acuminatis erectis, seta basilari elongata gracili,
capsula inclinata ovali ore coarctata.— Hypnum Mougeolianum, IfU rv ille ?
H a b . On trunks of Tree-ferns : Banks of Huon River, J . B . H. Cheshunt, Archer.
D istr ib . New Zealand.
Tribe XXV. H y p o p t e r y g iæ .
Gen. LV IIL IIYPOPTERYGIUM,
Feristomium Hypni. Calyptra conico-subulata, coriacea, plerumque latere fissa. Capsula æqualis,
longe pedunculata, cernua vel pendula. Operculum e basi convexa rostratum.—Caulis repens. Surculi
dendroidei, pinnatim ramosi, complanati. Polia tristicha, lateralia pterygoidea, obliqua, verticalia, dorsalia
(tegmina dicta) minora aliterque conformata, subappressa. Eructificatio lateralis, axillaris.
1. H ypop te rygium Smithianum (Hook. fil. et Wils. FI. N. Zeal. p. 118); dioicum, surculo bi-
pinnatim ramoso inferne nudo, foliis distichis ovato-subrotundis acuminulatis concaviusculis deflexis mar-
ginatis evanidiuerviis apice denticulatis, tegminibus subrotundis acuminulatis solidinerviis, perichætialibus
lanceolato-acuminatis, capsula pendula, operculo rostrato.—H. Novæ-Zelandiæ, C. Mueller, Bot. Zeit. 1851,
p . 562 ; Miiten, in Journ. Linn. Soc. ined. Hookeria rotolata. Smith, in Linn. Trans, ix. 279 (non Hedw.
Sp. Muse.).
Var. foliis siccitate magis crispatis, tegminibus oblongis, seta graciliori apice evidentius arcuata.
(Lawrence.)
H a b . Hobarton, etc. [Gunn, 49, 65.) Kangaroo Bottom, J. B . H. Gullies round Brown’s River.
(Oldfield, 60.) Top of Grass-tree Hill, South Port, Stuart. On living trees : Western Creek, and other
rivulets; Cheshunt, rfrc/îir. (Lyall, ^b.)
D is t r ib . New Zealand, Norfolk Island.
Gen. L IX . LOPIDIUM, Hook. fil. et JFih.
Feristomium duplex Leskeoe; internum, ciliis nullis. Calyptra conico-subulata. Capsula æqualis,
inclinata vel cernua, annulata, brevipedunculata. Operculum rostratum.—Caulis repens. Surculi subden-
droidei,pinnatim ramosi; fronde elongata, erecta; ramis haud radiatis. Folia tristicha, oblonga, lateralia
obliqua. (Name from Xottîç, a scale)
1. Lopidium pa llens (Hook. fil. et Wils. Fl. N. Zeal. p. 119) ; monoicum, surculo erecto bipin-
natim ramoso inferne nudo, foliis bifariis verticalibus oblongo-ovatis acuminulatis marginatis apice denticulatis
siccitate crispulis subtortilibus, tegminibus cordato-acuminatis, perichætialibus brevioribus, seta sea-
berula longiuscula gracili, capsula horizontali annulata, operculo rostrato, peristomii dentibus crebre trabe-
oulatis.— Leskea concinna, Schwoegr. Suppl. t. 269 (non Hook). Hypopterygium Struthopteris, Bridel;
Miiten, in Journ. Linn. Soc. ined.
H a b . On trunks of Tree-ferns : Huon River. South Port, Stuart. On dead timber and trunks of
trees: by the Kermandie Rivulet, South Huon. Gullies near Brown’s River, Brown, Gunn, 34, 1632,
J. B . H , Oldfield, etc.
D is t k ib . New Zealand, South America, Chiloe.
Essentially distinguished from L. concinna. Hook. Muse. Exot. t. 34, by the inflorescence, aud by the rough
seta.
Gen. LX. CATHAROAINION, Hook. fid. et Wih.
Feristomium simplex, iuternum; dentes 16, lineari-lanceolati, carinati, membrana basilari brevi connexi.
Calyptra conico-mitræformis, basi lacera. Capsula suberecta, oblonga. Operculum conico-subulatum.—
Caulis repens. Surculi dendroidei, superne pinnatim ramosi. Folia tristicha, suhroiunda, ciliata.
Florescentia dioica. (Name from uaOapo^, neat.)
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