Grimmia.'] 
IV. MUSCI. 
425 
8 -farrowed ; annulus large ; operculum beaked. Calyptra mitriform. Inflo- 
rescence monoecious. — Wils. Bryol. Brit. 153. t. 13. 
Var. £. Africana, FI. N. Z. 1. c. : smaller, capsule shorter, operculum conical mamillate, 
teeth very short. — Fissidens pu/vinatus, £!., Hedwig. Sp. Muse. t. 40. G. cygnicolla, 
Taylor. 
Northern and Middle Islands: var. /3. on rocks, etc., Colenso ; Auckland, Knight; 
Nelson, Travers. (South Africa, Australia, aud Tasmania.) 
3. G. trichophylla, Greville ; — FI. N. Z. ii. 75. Steins sliort, form- 
ing small lax tufts. Leaves yellow-green, linear-lanceolate, narrowed into a 
white diaphanous hair-point, flexuous, crisped when dry ; nerve vanishing. 
Bruits talks short, curved or decurved. Capsule pendulous, ovoid, striated, 
angular when dry ; annulus broad ; teeth 2- fid ; operculum conical, beaked. 
Inflorescence dioecious.— Wils. Bryol. Brit. 156. t. 32. 
Middle Island: on stones. Ship Cove and Port Cooper, lyaU ; Otago, Lindsay, 
Hector and Buchanan. (North temperate zone, South America, Tasmania.) 
4. G. basaltica, Mitten, mss. Forming small hemispherical hoary 
tufts. Leaves spreading, oblong-lanceolate, acuminate with a hyaline liair- 
point, keeled by the percurrent nerve; perichaetial with a much longer hair- 
point. Fruitstalk curved. Capsule ovoid- globose, plicate when dry; teeth 
red, perforated, subentire, reflexed when dry ; opererdum short, conic, acumi- 
nate. Inflorescence monoecious. 
Middle Island: basalt rocks near Dunedin, Lindsay {Herb. Mitten). Closely resem- 
bling G. orbicularis , B. and S., of Europe, hut capsule more plaited, less contracted at the 
mouth, and teeth reflexed when dry {Mitten). 
26. RACOMITRIUM, Bridel. 
Loosely tufted, often hoary, grey, dioecious, perennial mosses, growing in 
rocks or on the ground ; stems usually elongate, branched. Leaves keeled, 
margins recurved, tips often white and transparent, nerve vanishing ; cells 
long and sinuous at the base, square above. Fruitstalk terminal, usually 
short. Capsule elliptic or oblong, smooth, mouth narrow, annulate ; teeth 
16, 2-3-fid; divisions short, linear-subulate, unequal and irregularly com- 
bined, or very long filiform and free to the base ; operculum conical, and 
subulate. Calyptra conical or mitriform, tip solid subulate, papillose ; base 
membranous, fringed. 
A genus of which most of the species abound in alpine regions, where some form large 
hoary patches on the ground and on rocks. 
I. Dryptodox. Stems dichotomously branched, young shoots fastigiate, unbranched. 
Leaves ovate-oblong. Fruitstalk very short. Operculum shorter 
than the capsule. Teeth 2-fid 1. R. crispulum. 
Leaves ovate-lanceolate. Fruitstalk longer. Operculum acicular, 
as long as the capsule. Teeth entire 2. It. rupestre. 
Leaves narrow-lanceolate. Operculum subulate, shorter than the 
capsule. Teeth cleft 3. F. protensum. 
Leaves elliptic-lanceolate, 3-carinate, apiculate 4. if. ptychophyllum. 
■ II. Racomitehjm. Stems irregularly branched ; branches with lateral branchlets ; 
shoots not fastigiate. 
Leaves deeply plaited, ovate-lanceolate, acute 5. if. symphyodon. 
Leaves tortuous, lanceolate subulate, toothed, with diaphanous hair- 
points 
VOL. I. 
6. if. lanuginosum. 
2 F 
