Hypoplerygium.'] 
IV. MUSCI. 
489 
Northern Island : Wangaroa, Kerr (in Herb. Mitten). — Mitten refers the II. rotula- 
tum of FI. N. Z. to H. viridulum. 
9. H. ciliatum, Bridel. — Catharomnion, FI. N. Z. ii. 119. Stems 1 in. 
high, naked below, and covered with matted radicles, pinnately branched 
above ; branches crowded, alternate. Leaves pale green, hoary (from tie 
long cilia), mixed with set®, distichous, orbicular-ovate, acuminate, long- 
ciliate; nerve vanishing; dorsal much smaller, ovate -lanceolate, acuminate, 
ciliate. Fruitstalk very short, -J in. long, purplish, stout. Capsule nearly 
erect, oblong, somewhat unequal, reddish-brown ; peristome large, single ; 
operculum beaked. Calyptra mitriform, indexed, and laciniate at the base. 
Inflorescence dioecious . — Fterigynandrum, Hedw. Sp. Muse. t. 17. 
Northern and Middle Islands: common in forests, on the ground, from the Bay of 
Islands, J. Ii. H., to Nelson, Travers. (Tasmania.) 
10. H. concinimm, Bridel. — Lopidium , FI. N. Z. ii. 119. Stems 
1-3 in. high, naked below, pinnately branched above, then erect; ramification 
ovate-oblong in outline. Leaves yellowish or yellow-green, distichous, 
crowded, oblong-ligulate, acuminate, margin thickened, serrulate at the apex ; 
nerve subcontinuous ; dorsal more dilated at the base ; cells very small, 
roundish; perichajtial nearly entire; nerve nearly continuous. Fruitstalk 
in. long, stout, thickened upwards, scarcely longer than the perichsetial 
leaves, smooth. Capsule suberect ; operculum conical-subulate, nearly as 
long as the capsule. Calyptra conical-subulate. Inflorescence dioecious. — 
Leskea, Hook. Muse. Exot. t. 34 ; FI. Antarct. i. 136. 
Northern and Middle Islands: Bay of Islands, Withes’ s Expedition; Nelson, Travers; 
Dusky Bay, Menzies ; Otago, Hector and Buchanan. Lord Auckland’s group: on 
rocks, J. D. H. 
11. H. Struthiopteris, Bridel.— Lopidium pollens, FI. N. Z. ii. 119. 
Flabit and ramification of II. concinnum. Leaves pale, crisped when dry, 
ovate-oblong, shortly acuminate, toothed at the apex, margin thickened ; 
nerve stout, excurrent ; dorsal cordate, acuminate ; perichsetial with longer 
points. Fruitstalk slender, | in. long, rough. Capsule horizontal, annu- 
late ; operculum beaked, as long as the capsule. Calyptra cleft on one side. 
Inflorescence monoecious. — Mitten in Journ. Linn. Soc. iv. 96. Leskea 
concinna , Schwaegr. Suppl. t. 269 (not of Hooker). 
Northern and Middle Islands : common in damp forests, etc. (Australia, Tasmania, 
Chili, Java.) 
68. CYATHOPHORTJM, Palisot. 
Bright green, large, simple, dioecious mosses. Rhizome creeping on trees ; 
stems erect, simple. Leaves 3-ranked ; lateral vertical, spreading, oblique ; 
dorsal smaller, stipule-like, rounded, appressed to the stem ; nerve short, 
often 2-fid ; cells large, lax. Fruitstalk lateral, very short, inserted in a cup- 
shaped tumid sheath on the under-surface of the stems. Capsule oblong, 
straight, annulate; peristome of Hypnum. Operculum convex, acuminate. 
Calyptra small, mitriform. 
A most beautiful genus of mosses, confined to India, Australia, and N. Zealand. 
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