436 
IV. MUSCI. 
[ Orthodontum . 
3. L. macro carpum, Brown ; — FI. N. Z. ii. 82. Stems \ in. high. 
Leaves bright green, elliptic- or obovate-oblong, obtuse, with a branched 
hair-point, concave ; margin recurved ; nerve slender. Fruitstalk very long. 
Capsule large, erect, ovate-oblong, not narrowed at the base ; mouth small ; 
peristome very small ; operculum conical obtuse. — Bryum, Hedwig, Muse. 
Frond, iii. t. it). 
Abundant on rocks and trunks of trees throughout the Northern and Middle Islands. 
Oue of the handsomest New Zealand mosses. 
32. AIJLAC OMNIUM, Schwsegr. 
Tufted, perennial, erect mosses, usually growing in mar-shy places ; stems 
tomentose with radicles. Leaves variable ; cells roundish. Fruitstalk ter- 
minal, long, flexuous. Capsule erect or cemuous, furrowed when dry, with 
a slender struma; annulus compound; peristome double; outer teeth 16, 
equidistant, incurved when dry, closely trabeculate ; inner a pellucid mem- 
brane, divided into 16 perforated processes, with interposed cilia. Operculum 
convex, obtusely beaked. Calyptra small, cucullate, smooth. 
A small European genus. 
1. A. Gaudichaudii, Mitten in Hook.Kew Journ. 1856, 262. Stems 
erect, branched. Leaves long, erecto-patent, oblong, cuspidate by the ex- 
current nerve, strongly toothed ; perichsetial longer and narrower. Capsule 
narrow, erect, cylindrical, plaited when dry ; annulus large, adherent ; outer 
teeth pale yellow, erect. Inflorescence dioecious. — Leptotheca, Schwsegr. 
Suppl. t. 137. 
Northern Island, Auckland, Knight. (Australia, Tasmania.) Mitten refers the Brachy- 
menum ovatum, FI. Antarct., of Falkland Islands, to this plant, but in that the leaves are 
quite entire. 
33. ORTHODONTIUm, Schwmgr. 
Slender, tufted, pale green, erect mosses, usually growing on rocks. Leaves 
long, slender ; nerve vanishing ; cells lax large, oblong-square. Fruitstalk 
terminal, slender. Capsule erect or drooping, pyriform or clavate, exannu- 
late, symmetrical, very thin-walled; cells lax; teeth in 2 rows; outer 16, 
lanceolate, inserted below the mouth, often inflexed wdien dry; inner 16, 
Aliform, united at the base by a somewhat keeled membrane. Operculum 
short, conical, beaked. Calyptra small, cucullate, fugacious. 
Delicate mosses, resembling Brya. There are but few species, chiefly tropical, one is 
British. 
1. O. sulcatum^ Hook, and Wits. Ic. Plant, t. 739 B ; — FI. N. Z. ii. 
81. Stems tufted, nearly | in. long. Leaves pale, spreading and recurved, 
linear-lanceolate, nearly flat; nerve vanishing below the apex. Fruitstalk 
slender. Capsule elliptic-oblong, furrowed and inclined when dry ; neck short. 
Operculum with a short oblique beak. Inflorescence monoecious or herma- 
phrodite. 
Middle Island, Port William, Lyall (Australia.) 
