Bkown. — On the Genus Grimmia. 415 



Hab. Damp rocks, Port Lyttelton hills ; Mount Torlesse ; 

 Stewart Island ; Dunedin ; West Coast. One of the com- 

 monest of this genus. Collected in these localities by B. B. 



15. Grimmia tricophylla, var. nigra, var. nov. 



Plants small, dark-green, growing in dense tufts Jin.— Jin. 

 high, branched by innovations, fastigiate. Leaves closely im- 

 bricating, diaphanous, erecto-patent ; lower leaves ovate-lanceo- 

 late, acute, muticous ; upper ones ovate-lanceolate, narrowing 

 towards the slender hyaline hair-point, concave. Margins 

 entire. Nerve ending at the hair-point. Areola upper puncti- 

 form, nearly black when dry. Perichcetial leaves erect or 

 long-lanceolate, narrowed into the hyaline hair-point, con- 

 cave. Margins entire. Nerve disappearing at the hair-point. 

 Fruitstalk decurved. Capsule ovate, mouth large. Peristome 

 single, 16, incomplete. Operculum and calyptra not found. 



Hab. Bocks in the gorge of the River Hurunui ; March, 

 1893. Collected by B. B. 



* 



16. Grimmia versabilis, sp. nov. 



Plants small, dark-green, growing in dense tufts Jin.— Jin. 

 high, branched by innovations, fastigiate. Leaves spreading, 

 upper ones erect, diaphanous, narrow-lanceolate or oblong- 

 lanceolate, narrowed to the hyaline hair-point, very concave, 

 keeled. Margins entire. Nerve ending at the hair -point. 

 Upper areola punctiform, erect and adpressed when dry. 

 Perichcetial leaves smaller than the upper ones, erect, inner 

 linear-lanceolate, outer ovate-lanceolate narrowed to the hya- 

 line hair-point, concave. Margins entire, nerved to the hair- 

 point. Fruitstalk decurved. Capsule elliptic, mouth small, 

 annulate. Peristome single, 16, short, membranous. Opercu- 

 lum narrow, conico-rostrate, oblique, one-third the length of 

 capsule. Calyptra small, mitriform. 



Hab. Bocks, summit of Port Lyttelton hills ; 18S0. Col- 

 lected by B. B. 



17. Grimmia finitima, sp.uov. 



Plants yellowish-green, dark below, growing in small tufts 

 |in. high, branched by innovations, fastigiate. Leaves : Lower 

 spreading ; upper nearly erect, diaphanous, ovate-lanceolate, 

 narrowed to the hyaline hair-point ; base erect, sheathing very 

 concave, keeled. Margins entire. Nerve ending at the hair- 

 point. Upper areola punctiform, erect and adpressed when 

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

 ovate-lanceolate, narrowed to the hyaline hair-point ; base of 

 the leaves narrow. Margins entire, concave. Nerve ending 

 at the hair-point. Fruitstalk decurved. Capsule elliptic, 

 narrowed to the mouth, annulate. Peristome single, 16, bifid 



