216 FLORA OF TASMANIA. [Musci, by W. Wilson. 
4. Rhizogonium spiniforme (Hedw. Musc. Frond. t. 25) ; monoicum, foliis laxe imbricatis paten- 
tibus rigidis lineari-subulatis marginatis excurrentinerviis duplici serie spinoso-serratis, seta elongata basi- 
lari, capsula oblonga arcuata horizontali, operculo rostrato.—Hypnum spiniforme, Linn. Sp. Pl. 1587; 
Bridel, Bryol. Univ. n. 557. 
Has. Hobarton (barren specimens only), on dead wood, J. D. H. Cheshunt, Archer. Mount Wel- 
lington, Mossman. 
Disrris. 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 (Hypnum, Bridel, Bryol. Univ. ii. 559); dioicum, foliis erecto-patenti- 
bus basi decurrentibus lanceolato-subulatis anguste marginatis duplici serie dentatis solidinerviis siccitate 
tortilibus, seta elongata subbasilari, capsula ovata subcernua, operculo rostrato.—Hypnum mnioides, Hook. 
Muse. Exot. t. 11. H. subbasilare, Schwagr. Suppl. t. 256. 
Var. 8. contortum ; surculo graciliori, foliis brevioribus siccitate contortis margine involutis, periche- 
tialibus longius lineari-acuminatis serratis.—R. Hookeri, C. Mueller, et R. Mossmanianum ejusd., Bot. 
Zeit. 1851, p. 547 ; conf. Mitten, in Journ. Linn. Soc. 
Var. y. lutescens; surculo humiliori, foliis confertis lanceolatis (nec basi dilatatis) siccitate parum 
crispatis, areolis majoribus. | 
Has. Var. 8. On stones and decayed wood, in damp woods : Mount Wellington, Mossman. Brown's 
River, Back River Gully. (J. D. H.) (Oldfield, 114, 326.) Var. y. Western Mountains. (Gunn, 1612.) 
DisrarB. New Zealand, Antarctic Islands, Fuegia, South America. 
Probably Mnium Hookeri (C. Mueller, Musc. Syn. ii. 555) belongs to our var. f. 
6. Rhizogonium subbasilare (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.— Hypnum subbasilare, Hook. Muse. Exot. t. 10; Fl. Antarct. ii. 417. H. 
mnioides, Schwegr. Suppl. t. 257. 
Has. On dead wood, not uncommon. (Gunn, 44, 45 6.) Cheshunt, Archer. 
DisrarB. Cape Horn, Hermite Island. 
Gen. LVII. HYMENODON, Hook. fil. et Wils. 
Peristomium simplex; dentes 16, membranacei, «equidistantes, lineari-subulati, planiusculi, fugaces, 
apicibus coherentes, membrana basilari angusta connexi. Calyptra dimidiata. Capsula suberecta. Oper- 
culum rostratum.—Florescentia dioica. Habitus Rhizogonii. Vita arborea. Folia distiche imbricata, . 
elliptica, plana, pilifera, papillosa ; areolis subrotundis, minutis. 
1. Hymenodon pilifer (Hook. fil. et Wils. Fl. N. Zeal. 117. t. 92. f. 3) ; dioicus, surculis simpli- 
cibus, foliis laxe disticheque imbricatis patentibus elliptico-oblongis planis longe piliferis evanidinerviis 
papillosis margine crenulatis, perichztialibus lanceolato-acuminatis erectis, seta basilari elongata gracili, 
capsula inclinata ovali ore coarctata.—Hypnum Mougeotianum, D’Urville ? 
Has. On trunks of Tree-ferns: Banks of Huon River, J. D. H. Cheshunt, Archer. 
Distris. New Zealand. 
