Geu. L. CRYPHiEA, Mohr, Bridel.
Perisiomium duplex; externum, denies 16, angusti, erecti; internum, cilia totidem alternantia, basi
libera, filiformia. Capsula æqualis, pericbætio immersa, subsessilis, annulata. Opei-culum conicum. Ca-
lyptra mitræformis, couica, glabra. Florescentia monoica.— Caulis repens. Surculi erecti, pendulive, sub-
pinnalim ramosi. Y qWa. ovata, integra ; &xt6\is punctiformibus.
1. Cryphæa c on sim ilis (Montague, in Ann. Sc. Nat. Cent. v. 20) ; surculo ramoso, ramis distantibus
patentibus filiformibus, foliis ovato-lanceolatis acuminatis margiue subreflexis integerrimis nervo subcontinuo,
capsula oblonga perichætio pilifero immersa, operculo eonico-acuto.—7"/. N. Zeal. 102.
H a b . On dead timber : Coal River Tier, near Richmond. {Oldfield, b%.) {Gunn,2Q.)
D i s t e ib . New Zealand.
2. Cryphæa Tasman ica (Mitten, in Joum. Linn. Soc. ined.) ; “ monoica, ramis elongatis inferne
sæpe denuclatis superne ramulis brevibus u t plurimum fertiiibus dense approximatis, foliis patentibus orbi-
eulari-ovatis acutis nervo sub summo apice evanido margiue e medio ad apicem minutissime sed dense serrulato
uullibi recurvo cellulis minutis ovoideis ad basiu angustis elongatis, perichætialibus e basi ovali
subulatis thecam ovatam longe superantibus, operculo convexo acuto peristomio interno processibus angustis
dentium longitudinis in membrana brerissima, annulo duplici.” ( T a b . CLXXY. Fig. 9 .)
H a b . On rocks : Jackey’s Plain Creek, Archer.
More robust than C. dilatata or C. Muelleri, the margins of its leaves not recurved below, aud the perichætial
leaves more suhidate, but of the same habit and colour. Miiten, /.c.—P la t e CLXXV. Fig. 6 ; 1, leaf; 2, peri-
cbætium ; 3, teeth ;—all magnijied.
Tribe XXL N ECKERACEÆ.
Gen. L I. NECKERA, Br. et
Peristomium duplex; externum, 16, lanceolati, intus trabeculati, vix hygroscopici; internum,
processus 16, e membrana angusta carinato-plicata hyalina cum dentibus alternantes. Capsula ovalis,
æqualis, erecta, mollis, exannulata, immersa vel exserta. Calyptra cucullata, nuda.—Folia octofariam caule
inserta, distiche complanata, obliqua, transverse undulata, nitida, tenuissime areolata. Caulis repens. Surculi
erecti, pinnatim ramosi.
1. N e ck e r a p ennata (Hedw. Muse. Frond, t. 1 9 ); monoica, foliis ovato-lanceolatis acuminatis
apice serrulatis undulatis subenerviis, perichætialibus internis elongato-lanceolatis acuminatis, capsula immersa,
operculo brevirostri, calyptra parva vix infra operculum producta.—Rryo/. Furop. t. 440. N. hy-
menodouta, C. Mueller, Bot. Zeit. 1851,_p. 564; Mitten, in Joiwn. Linn. Soc. ined.
H a b . On trees. {Gunn, 1601.) Johnny’s Creek. {Oldfield, 6 6 .) Rivulets and damp copses, on
trunks and branches of trees, Archer. Bek River, below Launceston, Mossman.
D i s t e ib . New Zealand, Europe, North and South America, South Africa, East Indies.
Gen. L IL OMALIA, Bridel.
Peristomium Hypm, duplex. Capsula ovata, cernua, longipedunculata, anuulata. Operculum rostratum.
Calyptra dimidiata.—Caulis repens, stolonifer. Surculi aseendentes, pinnatim vel irregulariter
ramosi. Folia octofariam inserta, distiche imbricata, complanata ; lateralia obliqua, asynmetriea, basi uno
latere infiexa, coeterum plana ; verticalia minute areolata ; nervo brevi vel obsoleto. Flores monoici vel dioici.
1. Omalia fa lc ifo lia (Hook. fll. et Wils. Fl. N. Zeal. 115. t. 92. f. 1); dioica, surculo vage sub-
pinnatim ramoso, ramis complanatis subsimplieibus, foliis distiche imbricatis oblongo-acinaciformibus obtnsis
enerviis integerrimis, seta lævi, capsula elliptico-oblonga nutante, operculo conico.— Hypnum falci-
folium, Nob. in Lond. Journ. Bot. 1844,ji>. 554.
H a b . Tasmania. (Barren specimens'only.) {Gunn.)
D is t iu b . New Zealand.
Gen. L II I. TRACHYLOMA, Bridel.
Peristomium duplex; exterius, dentes 1 6 , angusti, subnodulosi, duri; interius, cilia totidem cum iis
alternantia, e membrana brevi orta, angusta, carinata, nodulosa. Calyptra cuculliformis. Capsula erecta,
oblonga, suboequalis, curvula, exannulata.—Folia subenervia, complanata. Habitus dendroideus. Caule
repente. Surculo superne pinnatim ramoso.—Fl. N . Zeal.p. 103.
1. Trachyloma p lanifolium {Neckera planifolia. Hook. Muse. Exot. t. 2 3 ); dioicum, surculo
erecto pinnatim ramoso, ramis complanatis, foliis distiche imbricatis erecto-pateutibus ovatis apice serratis
subenerviis, capsula erecta subcylindrica, operculo conico subulato.—Bridel, Bryol. Europ. ii. 278 ; Miiten,
im Joum. Linn. Soc. ined.
H a b . On dead trees, in the forests of the Esk River, Mossman.
D i s t e ib . New Zealand.
Tribe X X II. I so t h e c ia c eæ .
Gen. LIV. ISOTHECIUM, Bridel.
Perisiomium duplex ; externum, dentes 16, u t in Eypno ; internum, membrana in processus 16 cari-
natos cum vel absque ciliis interpositis profunde divisa. Calyptra cuculliformis. Capsula erecta, æqualis,
vel e curvatura pedicelli cernua, subæqualis, annulata.—Habitus dendroideus. Rhizoma repens. Surculi
inferne nudi, rigidi, superne pinnatim ramosi.
§ 1. Fi'Onde diffusa, suberecta.
1. Isothecivun Arbuscula {Uookeria, Smith, Linn. Trans, ix. p. 280. t. 23) ; dioicum, surculo bi-
pinnatim ramoso, foliis imbricatis patentibus ovatis concavis integerrimis basi obsolete binerviis, seta brevi-
uscula flexuosa, capsula ovata suberecta vel cernua, operculo conico.— Hypnum Arbuscula, Eook. Muse.
Exot. 112; Schwoegr. Suppl. t. 300.
Var. 0 . defiexum; surculo laxius ramoso arcuato deflexo apice radicante, foliis remotioribus acutioribus
minus concavis.—Stereodon (Isotliecium) deflexus. Mitten, in Journ. L inn. Soc. ined.
H a b . O u trees, iu dense forests. {Gunn, 4 2 , 4 3 , 1 5 9 5 a.) St. Patrick’s River. {Gunn, 1 5 9 5 b,
1 5 9 6 .) Johnny’s Creek, Back River Gully. {Oldfield, 81, 88.)
D is t r ib . New Zeaiaud.
2. Isoth ec ium gracile (Hook. fil. et Wils.) ; dioicum, caule ramoso, ramis gracilibus recurvis, foliis
erecto-patentibus secundis ellipticis concavis obtusiusculis subdenticulatis enerviis, perichætialibus squarrosis
acumiuatis, seta longiuscula lævi, capsula ovata cernua, operculo conico.— Fl. Antarct. p a rt 1 . p. 29.
/. 6 1 ./ . 3 ; 77. N. Zeal.p. 106, et Hypnum gracile eorund. I.e .p . 112. Stereodon (Isothecium) gracilis.
Mitten, in Journ. Linn. Soc. ined.
H a b . On stones, in rivulets : Jackey’s Plain Creek, near Cheshunt, Archer.
D is t r ib . Lord Auckland’s Islands, New Zealand.
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