Gon. XXXI. ORTHODONTIUM, Schwægr.
Pemfowi/m duplex, infra capsulæ orificium oriens j externum, dentes 16, lanceolato-subulati, siccitate
iufra orificinm sæpe inllexi; internim, cilia 16, dentibus alternantibus, c basi brevi siibcarinata dilatata
tlliforniia. Cipsula clavato-pvriformis, iu pediceUo tenui suberecta vel cernua, exannulata, symmetrica,
leptoderma, luxe areolata. Operculum breve, conico-rostellatum. Calyjitra parvula, cuculliformis, fugax.
—Musci graciles, cæspitosi, habitu Bryis angustifoliis affmes. Florescentia monoica ; il. masc. gemmæformes,
axillares, sapius aggregati. Y oWa longiuseulu, lineari lanceolata, lenuia, laxc areolata; areolis siibparal-
lelograinmaticis, evauidineiriis.
1. Orthodontium a u stra le (Hook. fil. et Wils. Fl. Antarct. p. 106. t. 153. f. 5) ; caule ramoso
fastigiato humili, foliis erecto-patentibus subrecurvis anguste linearibus subllexuosis nervo subcontinuo, .
capsula suberecta oblonga brevicolla, operculo rostellato.
I I a b . On dead timber: Kangaroo Bottom. On dry trunks of trees: Mount Wellington, elev. 2000
feet. Back River, Brown’s River. { J .B .H .) (OAf/iW/, 134, 227, 225, 330.) On dead trees ; West-end
rivulet. Archer.
' D i s t i u b . Falkland Islands, Hermite Island.
Gen. XXXII. LEPTOBRYÜM, Br. t
Peristomium Bryi. Capmla in pedicello elongato tenaci flexuoso inclinata vel pendula, e collo longo
angusto subito iiiflalo-ovalis, leptoderma, vernicoso-nitida, luteo-rufa, sicca ore contracta, annulata. Opei'-
culum convexura, apiculatum. Calyptra perangusta. Flores hermaphroditi.—Plantæ simplices, ex infima
basi innovantes. Folia media lanceolata, costata, summa in comam polyphyllam congesta, longissima, e basi
lanceolata longe et fiexuose subulata, costa lata maximam partem laminæ occupante excedente.
1. Leptobryum pyriforme (Br. et Schimp. Bryol. Eur. t. 355).—Bryum pyriforme, Hedw. Hist.
Muse. i. t. Z .f . 12. Webera pyriformis, Hedw. Muse. Frond, t. 3.
H a b . Back River Gully, ou rotten wood, with Ceratodon purpureus. [Oldfield, 312.)
D i s t r ib . Europe, Asia, America.
Gen. XX X III. BRACHYMENIUM, Hooker.
Pei-istomium duplex; externum, dentes 16, lanceolato-lineares; internum, membrana plicata brevis,
apice dilacerato in cilia sexdecim irregulariter fissa. Calyptra cuculliformis. Capsula clavato-pyriformis,
æquabs, annulata, suberecta.
1. Bracbymenium lanceolattun (Hook. fil. et Wils.) ; monoicum, caule breviusculo, iunovationi-
bus crassiusculis, foliis erecto-patentibus flaccidis siccitate subflexuosis lineari-lanceolatis acuminatis carinatis
integerrimis laxe pellucide areolatis nervo continuo, seta longa, capsula suberecta ovali-pyriformi
• brevicolla, operculo conico brevi. (T a b . CLXXIII. Fig. 8 .)
H a b . ? (Specimen scanty.) [Gunn)
Verv Uke Acidodontium Kunt/iii, Hsch., bat differing in the inflorescence.—Leaves twice as long, with larger
areolæ, yellowish. Capsule shorter. Teeth of thxperistome pale, gradually tapering, trabeculate externally. Inner
peristome nearly as long as the outer. Annulus yellow, adhering to the month of the capsule, Male and female
fiower contiguous. Seta red.—P la t e CLXXIII. Fig. 8 ; I aud 2, leaves; 3, capsule; 4, peristome:—all rnag-
Gen. XXXIV. MIELICIIHOFERIA, Hornsch.
Fructìficatio. in ramulis brevibus secundariis nonnunquara ad plantæ basin nascentibus terminalis.
Pm i/om ’ara jflerumque simplex, rarius duplex vel nullum; externum sæpius nullum; internum, cJiiz. 16,
articulata, pallida, subplaiia, in membrana basilari brevi posita, vel libera. Capsula pyriformis, cernua, an-
nulata. Calyptra cuculiata.— Florescentia synoica, monoica, vel dioica.
1. Mie lichhofer ia E ck lon i (Ilsch. in Linn. 1841, p. 118) ; monoica, caule fertili subbasilari brevissimo,
iiiijovationibus simplicibus erectis clatis basi nudis superne dense foliosis, foliis suberectis lanceolatis
ovato-lanceolatis acuminatis ])laniusculis apicc serrulatis evanidinerviis, perichætialibus minoribus erectis,
seta elongata, capsula cernua obovato-pyrifonni hinc gibba, peristomio duplici.— Schizhymenium bryoides,
Harvey, in Hook. lo. Plant, t. 202; Schwægr. Suppl. t. 317.
H a b . On the ground : Gullies Road, Brown’s River. [Oldfield.) [Gunn, 2b b.) Cheshunt, rfrc/e?-.
D is t r ib . South Africa.
Some of the Cape of Good Hope specimens, though not in good condition, distinctly show a double peristome.
— Outer teeth sixteen, imperfect. Inner- peristome sixteen filiform cilia connected occasionally at the top by tra-
beculæ, and united at the base into a naiTow membrane. Annulus large.
Gen. XXXV. BRYUM, Billen.
Peristomium duplex; externum, dentes 16, æquidistantes, simplices, lanceolati, dorso linea longitudinali
exarati, intus transversim lamellati, valde hygroscopici, sicci incurvi -, internum, membrana in processus
16 carinatos cum dentibus alternantes fissa, ciliis filiformibus interjectis, dentibus oppositis vel nullis.
Capsula pyriformis vel clavata, pendula vel inclinata, collo brevissimo vel elongato, plerumque anuulata.
Operculum convexum, apiculatum, breve.— I'lorescentia dioica, monoica, vel synoica ; antheridia paraphysi-
bus filiform ibus immixta. Folia ovata, lanceolata, plerumque ìntegra, costata, cellulis rhtomhoideis. Caules
perennes, cæspitosi, innovaiionibus simplicibus cauli similibus proliferi.
§ 1. W e b e r a .—Plantæ graciles, simplices, e basi innovantes. Folia lanceolata, superiora multo lougiora.
L. Bryum nutans (Schreb. Fl. Lips. p. 81) ; monoicum, caule breriusculo, foiiis superioribus elongato
lanceolatis apice serratis inferioribus ovato-lanceolatis integerrimis, capsula nufante vel pendula ob-
longo-pyriformi, operculo majusculo convexo papillato, antheridiis in foliorum perichætialium axillis per
paria insertis.—Bryol. Europ. t. 347.
H a b . Western Mountains. [Gunn, 1588.) Mount Wellington. [Oldfield, 306, 126.) Roadside,
Splitters Hill, Archer.
D is t iu b . Lord Auckland’s Group, Hermite Island, North Asia, America, Europe.
^ 2. B ry um.—Plantæ sub apice proUfei-o innovantes.
a. Fiores synoicæ [% et ^ immixtis).
2. Brjrum intermedium (Web. et Mohr, Bot. Tasch. 283) ; foliis ovato- oblongo- et elongato-lanceolatis
nervo excedentc longius cuspidatis apice subdeiiticulatis margine recurvis, capsula clavato-pyriformi
incurviuscula sicca sub ore haud coarctata, operculo acuto persistente.—Bruch et Schimp. Bryol. Europ.
t. 356.
H a b . Turf-baiiks : Glen Leith, J . B . H.
D is t iu b . New Zealand?, Europe.
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