MUSCI ANTARCTICI. 547 
obtusis carnosis nervo crasso subcontinuo, theca subex- 
serta pyriformi levi, operculo convexo rostellato, peris- 
tomii dentibus sedecim absque ciliis, calyptra glabra. 
Has. Lord Auckland's group and Campbell’s Island. 
Allied perhaps to O. psychrophilum, Montagne; but has 
leaves more erect, not reflexed in the margin, and the capsule 
is without strie, and furnished with a single peristome. It 
is very unlike O. Magellanicum, Montagne. 
40. OnTHoTRICHUM angustifolium, nov. sp.; caule brevi 
ramosiusculo, foliis lineari-subulatis angustissimis erectis 
carnosis nervo continuo, theca immersa subsessili elliptica, 
operculo rostellato, peristomii dentibus sedecim absque 
Ha». Campbell’s Island. 
Allied to the last, but has longer, narrower, and almost 
setaceous leaves, and smaller immersed capsules. 
19. FissipENS, Hedw. 
41. Fissipens capitatus, nov. sp.; caule subsimplici apice 
subdiviso, foliis distichis quindecim-jugis confertis lineari- 
lanceolatis acutis siccitate incurvis nervo subcontinuo 
diaphano, areolis rotundis subpunctatis, setis terminali- 
bus, theca ovata cernua, flore masculo ad basin peri- 
cheetii. 
Has. Bay of Islands, New Zealand. 
The stems often bear two sete at the extremity, each from 
a separate perichætium on a short ramulus, with an inter- 
mediate perigonium, containing 8-10 antheridia without 
paraphyses, 
42. FissiDENS oblongifolius, nov. sp.; caule dei iac 
folis distichis viginti-jugis linearibus obtusis siccitate 
incurvis nervo subcontinuo pellucido, areolis guttulatis, 
Seta terminali, theca ovata cernua, flore masculo axillari. - 
Han. Bay of Islands, New Zealand. 
Differs from the last in the linear obtuse leaves, of firmer 
texture, and more intense yellowish green colour ; also in the 
Position of the perigonia. 
