426 
IV. MUSCI. 
\_Racomitrium . 
1 . R. crispulum, Hook.f. and Wils. ; — FI. N. Z. ii. 75. — Dryptodon, FI. 
Antarct. 124. t. 57- f. 9. Stems forming loose tufts, 1-1 1 in. high, slender, 
branching. Leaves pale or dark lurid-green, erecto-patent and subrecurved, 
ovate-oblong, acuminate, keeled, margin entire, reflexed below ; apex sub- 
diaphanous ; nerve percurrent ; pericluetial shorter, obtuse or acute. Fruit- 
stalk very short, pale, lateral by the growth of side-shoots. Capsule elliptic- 
oblong, erect or inclined; annulus distinct ; teeth red, 2-fid, reflexed when 
dry ; operculum conical, subulate, not half as long as the capsule. Calyptra 
mitriform, base torn and inflexed. 
a. Leaves gradually attenuated ; cells of upper portion rounded. 
P>. Leaves with a suboval base, obtuse and apiculate, It. chlorocarpum, Mitten, mss. 
Var. a. Campbell’s Island, J. B. H. Var. /8. Northern Island : on alpine rocks, 
Colenso. Mitten distinguishes the Northern Island form as a species (R. chlorocarpum). 
(Tasmania, Kerguelen’s Laud.) 
2. R. rupestre, Hook. f. and Wils. ,- — FI. N. Z. ii. 75. — Dryptodon , 
FI. Antarct. 402. t. 152. f. 1. Stems densely tufted, slender, 1-2 in. long. 
Leaves lurid-green, spreading, densely subspirally imbricate when dry, 
ovate-lanceolate or ovate acuminate; lower subsquarrose, upper recurved, 
keeled, margin subrecurved, when dry more or less incurved and twisted ; 
nerve scarcely continuous, red ; perichsetial broader, elliptic-oblong, obtuse. 
Fruitstalk very short, twisted when dry. Capsule small, erect, elliptic-ob- 
long, red-brown ; mouth contracted ; teeth red, spreading when dry ; oper- 
culum with a very slender beak, nearly as long as the capsule.- — ? R. convo- 
lutum, Montagne, Sylloge, 37. 
Northern Island: moist rocks on the mountains, Colenso ; also found in Tasmania, 
Fuegia, and Kerguelen’s Laud. 
3. R. protemsum, Braun; — FI. N. Z. ii. 76. Stems loosely tufted. 
Leaves light green, spreading all round or subsecund, appressed when dry, 
rather rigid, elongate-lanceolate, not diaphanous at the summit ; nerve strong, 
percurrent; perichaetial somewhat sheathing. Fruitstalk pale, \ in. long. Cap- 
sule subcylindric, pale brown, thin- walled; teeth long, irregularly split to 
the base; operculum usually as long as the capsule, beaked. — Wils. Bryol. 
Brit. 166. t. 45. 
Northern Island : moist rocks in mountain regions, Colenso. (Europe, Fuegia.) 
Z' R. ptychophyllum. Mitten, mss. Stems tufted, 2 in. high; 
branches numerous, fastigiate. Lower leaves brown, upper yellow, spreading, 
imbricate when dry, and forming cuspidate tips to the branches, elliptic- 
lanceolate, subobtuse, apiculate, the tip diaphanous, keeled with the per- 
current nerve, and with two deep folds on each side ; margins quite entire, 
reflexed ; cells narrow. 
Middle Island : Otago ( Lindsay in Serb. Mitten). Resembling R. protensum, var. 3 
of FI. Antarct., from Kerguelen’s Land, but distinguished by the folds of the leaf (Mitten). 
5. R. symphiodon. Mitten in FI. Tasman, ii. 181. t. 173./. 4. — R. 
fasciculare, B ridel, var. ; — FI. N. Z. ii. 76. Stems loosely tufted, slender, elon- 
gated ; branches slender, subfascicled. Leaves spreading, subsecund, erect 
wflien dry, ovate-lanceolate, acuminate, with hyaline points, margin recurved 
below, quite entire ; perichsetial acute. Fruitstalk yellow, very short. Cap- 
