62 



Long calyptra 

 7, 16, and 43. 



27. MACROMITRITTM, Bridel. 

 Common on trunks of trees. 



Key, Nos. 



1. 



B. Caltftha glabrous, lid long-beaked. 



M. longirostre, Sohwjbge. Branches erect, lin. high, 

 crowded. Leaves bright yellow, red, or bronze, 

 lower black, twisted when dry, linear lanceolate, very 

 acute, with two parallel lines, one on each side the 

 solid stout nerve, margins recurved, nerve reddish. 

 Pruitstalk stout, short, \ to Jin. long, black. Capsule 

 sulcate, elongate, narrow, almost linear-oblong, 

 gradually narrowed into the stout f ruitstalk ; peristome 

 single, lid with slender straight beak, calyptra 

 glabrous, fimbriated half-way up. Var. B. aculifolium 

 leaves more acuminate, with a sub-excurrent nerve. 

 Hook. Handbook 1ST.Z. PL 



Lid conical. 



2. M. asperulum, Mitten. Stems slender, creeping ; 



branches short, tufted. Leaves red-brown, dense, 

 spreading, incurved when dry, ligulate from an oblong 

 base, lower obtuse, upper acute, mucronate by the 

 excurrent nerve ; margins papillose, rough ; periehsetial 

 shorter, acute. Pruitstalk Jin. long. Capsule ovoid, 

 attenuate below ; peristome ; mouth darker, plaited, 

 lid conical, acuminate. Calyptra naked, Hook. 

 Handbook, PL N.Z. Mt. Wellington. 



Leaves canaliculate. 



3. M. Reinwarcltii, ScHWiEGR. Leaves open, slightly 



incurved ; when dry curling, from a narrow lanceo- 

 late base acuminate, canaliculate ; perichffitial broadly 

 lanceolate, acuminate ; nerve excurrent. Fruitstalk 

 long, capsule ovate, short neck, plicate mouth, 16 

 narrow teeth. Calyptra glabrous. 



Nerve vanishing. 



4. M. pusillum, Mitt. Leaves when dry spirally twisted ; 

 when moist open, linear-lanceolate, apex short, apicu- 

 late; nerve brownish, vanishing under apex, keeled, 

 entire ; perichffitial very short, ovate-acuminate. 

 Pruitstalk short, capsule oval, plicate, mouth deep 

 coloured, calyptra naked. Key, No. 7. On stones, 

 Cataract Hill. 



