416] Transactions. — Botany. 



jpOA.8.3 l ' 

 to the middle. Operculum oblique, conico-rostrate, nearly one- 

 third the length of the capsule. Calyptra not found. 



Hah. Eocks, Lyttelton hills ; 1880. Collected by E. B. 



18. Grimmia rotunda, sp. nov. 



Plants yellowish-green, growing in small tufts iin.-i-in. 

 high, branched by innovations, fastigiate. Leaves erecto- 

 patent, diaphanous, lower leaves small, ovate-lanceolate, acute, 

 muticous, upper ones oval, tapering to a long hyaline hair- 

 point as long as the leaf, concave. Margins entire. Nerve 

 ending at the hair-point. Areola upper punctiform, erect when 

 dry. Perichcetial leaves erect, as large as the upper ones, 

 convolute, sheathing, oval. Margins entire. Nerve ending at 

 the hair-point. Fruitstalk decurved, rotund, narrowing to the 

 mouth. Peristome single, 16, upper half irregularly lobed, 

 not bifid nor perforated. Operculum mammillate. Calyptra 

 mitrif orm . 



Hah. Eocks, Lyttelton hills ; 1880. Collected by E. B. 



19. Grimmia obovata, sp. nov. 



Plants pale or dark-green, growing in small tufts ^in.- 

 |in. high, branched by innovations, fastigiate. Leaves closely 

 imbricating, erecto-patent, diaphanous, middle and upper 

 ones ovate-lanceolate, ending in a hyaline toothed hair-point. 

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

 Areola upper punctiform, erect when dry. Perichcetial leaves 

 shorter than the upper ones ; outer one broadly lanceolate, 

 acuminate, with a short hyaline point ; inner one smaller, con- 

 cave. Margins entire. Nerve ending at the hyaline point. 

 Fruitstalk decurved. Capsule obovate, mouth very wide. 

 Peristome single, 16, short, slightly bifid at the apex. Oper- 

 culum large, mammillate. Calyptra not found. 



Hab. Eocks, Lyttelton hills ; 1880. Collected by E. B. 



20. Grimmia belli, sp. nov. 



Plants dark-green, growing in small tufts or in large patches 

 sometimes 2ft. or more in diameter, Jin.-fin. high, branched 

 by innovations, fastigiate. Leaves closely imbricating, dia- 

 phanous, erecto-patent ; lower ones cordate acute or obtuse, 

 muticous ; middle leaves cordate-lanceolate, ending in a 

 strongly papillose hair-point ; upper ones large, broadly oval, 

 tapering to a hair-point. Margins entire, concave. Nerve 

 ending at the hair-point. Areola upper punctiform, erect 

 and adpressed when dry. PerichcBtial large, very concave, 

 broadly oval, ending in a hyaline hair-point. Margins entire. 

 Nerve ending at the hair-point. Fruitstalk erect. Capsule sub- 

 rotund. Peristome single, 16, shortly bifid. Operculum conic, 

 straight, half the length of the capsule. Calyptra mitriform. 



