428 iv. MUsci. [ Schlotheimia . 
erect, or inclined ; operculum conical, witli a slender beak, half as long as the 
capsule. Calyptra smooth. 
Campbell’s Island : on truuks of trees and on rocks, J. D. H. 
28. MACROMITRITJM, B ridel. 
Densely tufted, usually brown or blackish mosses, with creeping stems and 
erect branches, often forming large patches on trees and rocks. Stems and 
branches often dark below and yellowish-green at the tips. Leaves rather 
or very opaque ; cells very minute, circular. Fruit stalk terminal. Capsule 
ovoid, narrowed below, erect, equal, thick-walled ; mouth often when dry 
contracted by 8 folds ; annulus 0 ; peristome 0, or single or double ; outer 
16 flat lanceolate teeth, inserted in pairs below the mouth; inner a lacerated 
membrane. Operculum with a straight beak. Calyptra mitriform, glabrous 
or pilose, longitudinally folded or grooved, laciniate at the base. 
A very large tropical and subtropical genus, of which many of the species are either 
variable or difficult of discrimination. Of the New Zealand ones here described, I suspect 
some will have to be united hereafter. 
I. Calyptra glabrous. 
Peristome double 1. M. sulcatum. 
Peristome single (0? in M. asperulum). 
a. Leaves obtuse or acute , not mucronate ( see 8, Hectori.) 
Leaves linear-lanceolate, acuminate. Fruitstalk very short ... 2. M. longirostre. 
Leaves linear-lanceolate, acute. Fruitstalk very loug 3. M. lonyipes. 
/8. Leaves mucronate by the more or less excurrent nerve ( nerve 
vanishing in M. Hectori). 
Margin of leaves rough, with prominent papilla? 4. 31. asperulum. 
Stems slender. Leaves lanceolate-subulate, flexuous and twisted 
when dry 5 . M. gracile. 
Leaves subcirrhose when dry, linear-ligulate, obtuse 6. M. ligulare. 
Leaves straight, both when dry and moist 7. M. orthophyllum. 
Leaves oblong-lanceolate, obtuse ; nerve vanishing below the apex . 8. M. Hectori. 
II. Calyptra pilose. Peristome single, 
a. Leaves more or less lanceolate , acute or acuminate. 
Leaves spreading and recurved, subobtnse. Capsule ovoid-oblong, 
striate 9. M. recurvifolium. 
Leaves spreading and incurved, acuminate. Capsule nrceolate, 
smooth 10. M. Mauritianum 1 
Leaves spreading and recurved. Capsule subpyriform, slightly 
grooved 11. M. microphyllum. 
Leaves spreading, incurved, acute. Capsule ovoid, smooth . . . 12. M. incurvifolium. 
13. Leaves more or less ligulate, obtuse , apiculate or mucronate. 
Leaves spreading, subincurved ; cells minute, dense. Capsule ob- 
long ; mouth plaited 13. M. hemitrichodes. 
Leaves spreading, subincurved ; cells lax. Capsule oblong ; mouth 
plaited 14. M. microstomum. 
Leaves erecto-patent ; cells dense. Capsule ovoid 15. M. prorepens. 
Leaves spreading and incurved; margins erose; cells rather large . 16. bl. erosulum. 
y. Leaves ligulate , retv.se or Z-lobed 17- A/, retusum. 
III. Calyptra unknown 18. M. aristatum. 
1. M. sulcatum, Bridel; — FI. N. Z. ii. 77. Branches very short. 
