DiJymodon?[ 
IV. MUSCI. 
421 
1. D. papillatus, Rook./. and Wils. FI. N. Z. ii. 73. t. 85./. 2. Stems 
loosely tufted, 1 in. long, rigid, brittle, a little branched ; branches filiform, 
erect. Leaves yellowish, 3-farious, spreading, recurved, erect when dry and 
subsecund, ovate-lanceolate, acuminate, keeled, entire, papillose on both sur- 
faces ; margin below recurved ; nerve subsolid ; perichsetial convolute. Fruit- 
stalk pale, y-f in. long. Capsule erect, narrow-oblong, pale, contracted at 
the mouth; annulus small ; teeth 16, irregular, cloven and anastomosing; 
operculum conical, subulate. — Mitten in Journ. Linn. Soc. iv. 70; Zygodon 
tristichus, C. Muell. in Bot. Zeit. 1S52, 764. 
Northern and Middle Islands : Bay of Islands, J. D. H., Cclenso (barren) ; Nelson, 
JolL 'ravers; Otago, Hector and Buchanan. (Tasmania and South Africa.) 
2/D. interruptus. Mitten, mss. Stems loosely tufted, 1-^ in. high, 
erect, often interrupted by innovations. Leaves pale yellow-green, with an 
erect subquadrate base, above lanceolate, acute, recurved, squarrose, keeled ; 
margin crenulate or serrulate at the apex ; nerve vanishing, papillose at the 
back ; cells above minutely papillose. 
IT- ew Zealand, Kerr (in Herb. Mitten), Sinclair. 
3/D. erubescens, Mitten mss. Stems subsimple, tufted, 1 in. high 
and upwards, dull rusty-green. Leaves lax, twisted when dry, with a broad, 
erect,. appressed base, then spreading, lanceolate, acute obtuse or with a re- 
curved apiculus ; margins recurved throughout their length, denticulate to- 
wards the apex ; nerve obscure, percurrent, keeled. Fruitstalk y in. long, 
reddish. Capsule cylindric; teeth short, narrow, coherent at the base ; annu- 
lus compound ; operculum obliquely beaked, f as long as the capsule. In- 
florescence monoecious. Antheridia amongst the upper longer leaves. — 
Mitten. 
Middle Island : Otago, Hector. 
IS. DESMATODON, Bridel. 
Small, tufted, perennial, green, monoecious mosses (male inflorescence axil- 
lary), usually growing on earth. Foliage of Tortola. Fruitstalk terminal. 
Capsule erect, cernuous or pendulous, with a short neck ; annulus simple ; 
teeth 16 (sometimes absent), in one row, granulated, remotely barred, 2-fid 
or 3-fid, divisions tetragonous, distantly articulate, joined by one or two bars, 
when moist erect, when dry incurved or convolute. Operculum obtusely 
beaked. Calyptra cucullate. 
A small genus, intermediate between Toriula and Triclioslomum , and perhaps eventually 
to be merged with these. 1 follow “Wilson in keeping it distinct, though he says, that “ when 
highly developed, the peristome is scarcely, if at all, distinguishable from Tortu/a.” 
1. D. nervosus, Bruch and Schimper ; — FI. N. Z. ii. 71. Stems erect, 
£ in. high. Leaves yellow-green, spreading, convolute when dry, ovate-ob- 
long, apiculate, concave ; margin reflexed ; nerve stout, thickened upwards, 
excurrent. Fruitstalk yo— i in. long. Capsule ovoid, erect ; teeth variable, 
unequal, sometimer twisted, sometimes absent; annulus 0 ; operculum conical, 
hardly beaked. — Wils. Bryol.Brit. 103. t. 20; Trichostomumconvolutum, Bridel. 
Northern Island, Colenso. (Europe, S. America, Tasmania.) 
