440 Transactions. — Botany. 



patent ; lower ones ovate, tapering into a subulate apex ; 

 middle leaves larger, lower half of leaves ovate, upper portion 

 narrow-lanceolate, acute ; upper ones cordate, then narrow 

 lanceolate acute ; base of the leaves broad, concave. Margins 

 entire, plain. Nerve keeled, ending below the apes. Areola : 

 Upper punctiform ; lower small, oblong. Leaves erect when 

 dry. Perichcetial leaves longer than the upper ones, erect, 

 oblong-lanceolate, subacute, concave. Margins entire, plain. 

 Nerve ending below the apex. Fruitstalk erect, about ^in. 

 long. Capsule exserted, small, pyriform, tapering into the 

 fruitstalk. Peristome and operculum not found. Calyptra 

 nn triform, plicate, pilose, monoecious. Male inflorescence in 

 the axil of a leaf below the perichsetium. 



Hab. Trees at Moa Creek; May, 1885. Collected by 

 E. B. 



34. Orthotrichum aretum, sp. nov. 



Plants monoecious, brownish-green, growing in small tufts 

 Jin. high, branched by innovations. Branches short, fastigiate. 

 Leaves closely imbricating, erecto-patent ; lower ones oblong- 

 lanceolate, obtuse ; middle and upper nearly similar in out- 

 line, broadly lanceolate, rounded at the apex, concave. Nerve 

 keeled, ending below the apex. Margins entire, plain. Areola : 

 Upper punctiform, lower quadrate. Leaves when dry erect 

 and adpressed. Perichcetial leaves shorter than the upper 

 ones, erect, broadly ovate-lanceolate, rounded at the apex, 

 concave. Margins entire, plain. Nerve ending below the 

 apex. Fruitstalk short, erect, T V n - long. Capsule pyriform, 

 immersed. Peristome very imperfect, single (?), 8, bigeminate. 

 Operculum not found. Calyptra mitriform, plicate, pilose, as 

 long as the capsule. 



Hab. On trees, Little Eiver, Banks Peninsula; June, 

 1882. Collected by B. B. 



35. Orthotrichum parvithecum, sp. nov. 



Plants monoecious, yellowish-green, growing in loose tufts 

 lin. high, branched by innovations. Branches unequal in 

 height. Leaves spreading, imbricating, linear-lanceolate from 

 an ovate sheathing base, acute, concave. Nerve keeled, dis- 

 appearing in the apex. Margins entire, plain ; all the branch 

 leaves are very similar in outline, the lower being slightly 

 smaller than the upper ones. Areola : Upper punctiform ; 

 lower small, narrow, oblong. Leaves finely crisped when 

 dry. Perichcetial leaves smaller than the upper ones, the 

 innermost being the smallest, erect, ovate or oblong-lanceo- 

 late, acute. Margins entire, plain. Nerve ending below the 

 apex. Fruitstalk erect, -Jin. long. Capside exserted, small, 

 ovate, tapering slightly into the fruitstalk. Peristome single, 



