Leptostomum.'] 
IV. MUSCI. 
435 
Tayl. in Lond. Journ. Bot. v. 42. Didymodon cyathicarpus, Mitten in Journ. 
Linn. Soc. iv. 70. 
Northern Island : Makororo river, Colenso, with Bartramia uncinata. (North Ame- 
rica, South Africa, Tasmania.) Mitten regards this as a Weissioid moss. 
6. Z. Menziesii, Mitten in Journ. Linn. Soc. iv. 74. Stems tufted, 
densely fastigiately branched, £ in- high. Leaves crowded, suberect, yellow- 
brown when old, Ungulate, apiculate, keeled ; nerve nearly continuous, strong, 
reddish, vanishing below the apex. Fruitstalk in. long, slender. Capsule 
pyriform, pale, strongly grooved, contracted below the mouth ; peristome 
double ; inner of 16 cilia, conniving and forming acampanulate cone ; oper- 
culum convex, obliquely beaked. Inflorescence dioecious. — Codonoblepharum , 
Schwsegr. Suppl. ii. t. 137 ; FI. Tasman, ii. 186. 
Northern and Middle Islands : on hark of trees, Colenso. Middle Island : Dusky 
Bay, Menzies. (Tasmania, Australia.) 
31. LEPTOSTOMUM, Br. 
Densely-tufted, erect, bright green, soft, dioecious mosses, with matted, 
brown rootlets on the bases of the stems. Leaves piliferous, transparent ; 
nerve stout ; cells circular. Fruitstalk terminal, long. Capsule erect or 
pendulous, pyriform or clavate ; annulus usually 0 ; peristome a membranous 
ring, more or less cleft, arising from the inner wall of the capsule. Oper- 
culum very short, conic. Calyptra cucullate, fugacious. 
A genus of beautiful mosses, all natives of the southern temperate hemisphere, and grow- 
ing on trunks of trees and rocks. 
* Capsule narrowed into the fruitstalk. 
Capsule erect or inclined ; hair-point of leaf straight 1. L. gracile. 
Capsule inclined ; hair-point flexuous 2. L. inclinans. 
** Capsule erect , not narrowed below. 
Capsule large, hair-point branched 3. L. macrocarpum. 
1. L. gracile, Brown; — FI. N. Z. ii. 82. Stems densely tufted, 2-3 
in. high. Leaves bright green, erect, crowded, closely imbricate when dry, 
lower ovate- lanceolate, upper oblong, all with a straight hair-point ; margin 
reflexed; nerve stout. Fruitstalk 1-2 in. long. Capsule oblong, erect or 
inclined, subclavate; peristome a membranouns white ring, with 16 2-fid 
divisions ; annulus obscure ; operculum hemispherical. — FI. Antarct. i. 122 ; 
Schwsegr. Suppl. t. 104. Gymnostomum, Hook. Muse. Exot. t. 22. 
Throughout the Northern and Middle Islands, Menzies, etc. Campbell’s Island : 
barren, J. D. Ii. 
2. L. inclinans. Brown; — FI. N. Z. ii. 82. Stems densely tufted. 
Leaves bright green, erecto-patent, loosely imbricate, erect when dry, ovate- 
oblong, obtuse, with a flexuous long hair-point, which is toothed at' the tip ; 
margin recurved ; nerve stout, pale. Fruitstalk slender. Capsule inclined, 
obvoid-clavate, pale; peristome as in L. gracile; operculum conical -hemi- 
spheric. — Schwsegr. Suppl. t. 213. — Gymnostomum , Hook. Muse. Exot. t. 
168. L. Jlexipile, C. Mueller in Bot. Zeit. 1851, 547. 
Northern Island : damp woods, Ruahamanga river, etc., Colenso. 
