198 THE VOYAGE OF H.M.S. CHALLENGER. 



gracile is always supposed to be nearly allied to Bryum, to which genus no species of 

 Apalodiwn seems to have either affinity or resemblance. This species is represented in 

 the Flora Antarctica as having the processes of the internal peristome arising from a con- 

 siderable membranous base which cannot be found in the specimens. The inflorescence is 

 syncecious. The Apalodium pellucens (Hook, Ic. Plant., t. 34), from the Andes, has its 

 male flowers at the apices of short branches, and the normal position of its capsules is 

 probably erect. From this, Hampe thought Apalodium longisetum (Linnsea, 1863, p. 

 129), different, and proposed Apalodium confine, also from the Andes of New Granada, 

 but they, with the original Apalodium pellucens gathered by Jameson, seem so similar, 

 that they might have been gathered in the same tuft of moss : these, with the dioecious 

 Apalodium tenue, C. Mull. (Syn., i. p. 240), from Chili, are the known species of the South 

 American continent. Apalodium lineare, Schwsegr., t. 188 (Orthodontium), from South 

 Africa, is described and figured with the peristome internal and external equal in length. 

 In Apalodium infractum, Dozy et Molkenb. (Muse. Archip. Ind., ii. t. 14,) the peristome 

 is figured with the internal processes twice the length of the teeth, and without any 

 membrane at their base, and such is the case in Horsfield's specimens from Java. From 

 the Blue Mountains, New South Wales, gathered by the Rev. E. Collie, Baron von Mueller 

 sends another species, Apalodium infiatum, Mitt. 1 



Entosthodon laxus, Mitt. 



Enlosthodon laxus, Mitt, in Journ. Linn. Soc. Lond., xv. p. 70. 

 Physcomitrium laxum, Hook. f. et Wils., Fl. Antarct.', p. 399, t. 151, fig. 5. 



Marion Island. — A single stem, with young fruit and two or three barren plants — 

 Moseley. 



Bartramia (Philonotis) tenuis, Tayl. 



Bartramia (Philonotis) tenuis, Tayl. ; Hook, f., Handb. Fl. N. Zeal., p. 448 ; Mitt, in Journ. Linn. 

 Soc. Lond., xv. p. 70. 



Marion Island.— Without fruit — Moseley. 



Bartramia (Philonotis) remotifolia, Hook. f. et Wils. 



Bartramia (Philonotis) remotifolia, Hook. f. et Wils., Fl. Tasni., ii. p. 193, t. 174, fig. 3; Mitt, in 

 Journ. Linn. Soc. Lond., xv. p. 70. 



Marion Island. — In extensive patches with perfect fruit — Moseley. 



1 Monoicum. Folia erecto-patentia, linearia, integerrima, theca in pedunculo brevi urccolata, evacua inflata ; 

 peristomii simplicis extend dentibus brevibus.— Caules in c;espiU'in latum congesti 2 mm. alti. Folia subnitida, 

 Longitud. i mm. attingentia. Pedunculus 3 mm. longus. Theca erecta, breviter ovalis, evacua sub ore parvo 

 contracto urceolata. 



