Zygodon .] 
IV. ML'SCI. 
433 
Northern Island : Cliffs at Hawke’s Bay, Colenso. A European plant, of which I 
have very imperfect New Zealand specimens. 
3. O. luteum, Mitten in Ft. Tasman, ii. 184. Stems densely tufted, £ 
in. high. Leaves pale yellow, spreading when moist, crisped when dry, 
oblong and concave below, above linear-lanceolate, keeled ; nerve yellow, 
vanishing below the apex ; margins erose, recurved about the middle ; peri- 
chaetial longer, lanceolate. Fruitstalk •§■ in. long. Capsule cylindric-oblong, 
plicate ; neck thickened ; inner peristome of 8 cilia ; operculum with a 
short beak. Calyptra pilose. — Ulota lutea, Mitten in Journ. Linn. Soc. iv. 77. 
Northern Island : Kaipara Mossman, Mitten. (Tasmania.) 
4. O. crassifolinm. Hook. f. and Wits. FI. Antarct. 125. t. 57 . /. 8. 
Stems very short, tufted, | in. high, Leaves dirty olive-green, erecto- 
patent when moist and dry (then horny), coriaceous, ovate or oblong and 
concave below, linear or ligulate above, obtuse ; margin recurved ; nerve 
stout, vanishing below the apex, upper leaves narrower above and broader at 
the base. Fruitstalk very short. Capsule exserted or immersed, pyriform, 
smooth ; neck very short ; peristome single, yellow ; operculum convex with 
a short straight beak. Calyptra plaited, glabrous, 8 -fid at the base. 
Lord Auckland’s group and Campbell’s Island : on rocks and stones, near high- 
water mark, J. D. H. (Kerguelen’s Land, Fuegia.) 
5. O. angustifolium, Hook. f. and Wits. FI. Antarct. 125. t. 57 . f. 7. 
Stems very short, tufted, -J— | in. high. Leaves black-green, crowded, sub- 
erect both when moist and dry, strict, thick in texture, subulate-lanceolate, 
acuminate; nerve thick, continuous ; perichsetial longer, subsecund. Fruit- 
stalk very short. Capsule immersed, small, elliptic-ovoid ; mouth rather 
large; peristome single; operculum convex with a short beak. Calyptra 
not seen. 
Campbell's Island : on rocks, on the hills, J. B. H. 
30. ZYGODON, Hook. 
Tufted, small, usually bright green, monoecious, dioecious, or hermaphro- 
dite mosses, often creeping, growing on trees, rarely on the ground. Leaves 
lanceolate or oblong, keeled; margin plane ; cells minute. Fruitstalk ter- 
minal. Capsule erect, pyriform or clavate, grooved or striate; annulus 0; 
peristome 0 or single or double; outer 16 flat teeth united in pairs, reflexed 
when dry ; inner 8-16 linear hyaline cilia alternating with the outer, some- 
times conniving and forming a campanulate cone. Operculum obliquely 
beaked. Calyptra oblique, cucidlate. 
* Inner teeth horizontal, free at the base, 
a. Leaves with margins entire or nearly so. 
f Peristome double. 
Leaves erecto-patent, ligulate, obtuse 1 . Z. obtusifolius. 
Leaves spreading, squarrose, oblong, acute 2. Z. Brownii. 
ft Peristome single or 0. 
Leaves suberect, lingulate, subacute 3 . Z. intermedius. 
Leaves spreading, oblong-lanceolate 4. Z. Reinwardtii. 
