Musci, by W. Wilson.) FLORA OF TASMANIA. 169 
Tribe IV. LEUCOBRYACEZE,. 
Gen. IX. LEUCOBRYUM, Hampe. 
Peristomium simplex ; dentes 16, lanceolato-subulati, bicrures, transverse articulati, intus trabeculati, 
extus strigillosi. Capsula cernua, ovalis, gibba, collo strumoso, operculo longirostri, coriacea, 8-striata, sicca 
sulcata, exannulata. Calyptra inflato-cuculliformis, longirostris.—Folia Zanceolato-subulata, convolutaceo- 
concava, spongiosa, e cellularum stratis 2 vel pluribus conflata (cellulis quadrato-hexagonis porosis), enervia, 
glauca vel albida. j 
l. Leucobryum candidum (Dicranum, Schwægr. Suppl. t. 187 8); caule ramoso dichotomo fra- 
gili, foliis confertis erectis secundis subfalcatis ovato-lanceolatis concavis dorso tuberculatis corrugatis, 
ramulis fructiferis axillaribus numerosis brevissimis, capsula cernua strumosa sulcata.—F7. N. Zeal. p. 64. 
Has. On decayed wood at the roots of trees, in swamps, etc.: Huon River; Brown’s River. 
(Oldfield, 108, 329.) (J. D. H.) Cheshunt, Archer. 
DisrarB. New Zealand, Australia. 
Tribe V. DICRANACEA. 
Gen. X. DICRANUM, Hedo. (in parte). 
Peristomium simplex ; dentes 16, basi confluentes, sicci et humidi arcuato-conniventes, lanceolati, ad 
medium et ultra in crura duo subulata inegualia divisi, intus trabeculati. Capsula plerumque cernua, 
oblonga, ineegualis. Opereulum longirostre, rostro obliquo. Calyptra cucullata.—Folia e cellularum strato 
unico conflata, nervata. Caules cespitosi, perennes. 
l. Dicranum Sieberianum (Hornsch. Musc. Sieb. Nov. Holl. n. 16); caule ramoso fastigiato, 
foliis falcatis convoluto-canaliculatis ovato-lanceolatis acuminatis superioribus piliferis tenuissime pellucido- 
marginatis dorso papillosis, pericheetialibus vaginatis piliferis, capsula longe pedunculata ovali cernua parva, 
operculo longirostri.—Sehwegr. Suppl. t. 252. Leucodon pallidus, Hook. Muse. Exot. t. 172. 
Has. Specimen barren and scanty, growing with D. pungens.—(Gunn.) 
Disrris. Australia, New Zealand. 
2. Dicranum dicarpon (Hornsch. Musc. Sieb. Nov. Holl. n. 10); caule robusto dense radiculoso- 
tomentoso, foliis patulis squarrosis subsecundis ex basi ovato-lanceolato subulatis cuspidatis flexuosis striatis 
solidinerviis strigosis margine dorsogue spinuloso-serratis, setis brevibus geminatis longe vaginatis, capsulis - 
curvatis cernuis, operculo longirostri.—Schwagr. Suppl. t. 251. D. leucolomoides, C. Mueller, Bot. Zeit. 
1851, p. 549, fide Mitten, in Journ. Linn. Soc. 
Var. B. spinosum ; caule elatiore, setis numerosis longioribus. 
Haz. In dense moist woods: Back River Gully, New Norfolk, Oldfield, 36 (J. D. H.) (Gunn, zo 
Cheshunt and elsewhere, frequent, Archer; Wellington Falls, Mount Wellington, Mossman. 
DisrRrB. Australia, New Zealand. 
3. Dicranum Billardieri (Dridel, Br. Un. i. 401) ; caule elato, foliis faleato-secundis ovato-lanceo- 
latis acuminatis concavis membranaceis tenuinerviis estriatis apice serrulatis, seta longiore, capsula subcylin- 
drica curvata basi strumifera, operculo longirostri.—Sehwagr. Suppl. t. 121; Fl. Antarct. 129, 407. 
Has. Common at the roots of trees: summit of Mount Wellington, Brown's River Gully. (Guan, 
1581, 11 5; Stuart; J. D. H.; Oldfield, 110, 112, 113, 200.) 
Disrris. Lord Auckland's Island, Fuegia, New Zealand, Australia. 
VOL. II. 
