414 Transactions. — Botany. 



12. Grimmia (Schistidium) gracilis, sp. nov. 



Plants growing in small, dense tufts, brownish-coloured, 

 |ln.— S-in. high, branched by innovations, fastigiate. Leaves 

 closely imbricating, diaphanous, erecto-patent ; lower leaves 

 linear, tapering into a long hyaline hair-point ; upper ones 

 narrowly oblong-lanceolate or ovate-linear-lanceolate, tapering 

 into a long slender hyaline hair-point, concave. Margins 

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

 form, slightly crisp when dry. Perichcetial leaves shorter than 

 the upper ones, ovate-lanceolate, tapering into a long hyaline 

 hair-point, inner perichaetial leaf smallest, concave. Margins 

 entire. Nerve ending at the hair-point. Fruitstalk very 

 short, slender. Capsule immersed, small, turbinate, mouth 

 wide. Peristome single, 16, incomplete. Operculum and 

 calyptra not found. 



Hab. Limestone rocks, Broken Eiver, Canterbury ; Novem- 

 ber, 1889. Collected by R. B. 



13. Grimmia (Schistidium) minime-perichsetalis, sp. nov. 

 Plants dark-green, growing in small tufts, Jin.-lin. high, 



branched by innovations, fastigiate. Leaves closely imbricating, 

 spreading, diaphanous; lower leaves small, muticous, or with a 

 short hyaline point ; middle and upper ones oblong-lanceolate, 

 tapering into a toothed hyaline hair-point, concave. Margins 

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

 tiform, erect and adpressed when dry. Perichcetial leaves 

 very small : inner lanceolate, acute, nerved to the apex, 

 concave ; outer larger, lanceolate, tapering into a hyaline 

 toothed hair-point. Margins entire. Fruitstalk extremely 

 short. Capsule short, subrotund, immersed, mouth wide. 

 Peristome single, 16, minutely perforated. Operculum not 

 found. Calyptra mitriform, small. 



Hah. Rocks, Mount Torlesse ; January, 1886. Collected 

 by R. B. 



14. Grimmia novse-zealandiae, sp. nov. 



Plants dark- or yellowish-green, growing in tufts Jin. -fin. 

 high, branched by innovations, fastigiate. Leaves erecto- 

 patent, diaphanous ; upper ones ovate-lanceolate, with a long 

 tapering hyaline hair-point, slightly toothed, concave. Margins 

 entire. Nerve ending at the hyaline point. Areola upper 

 punctiform, slightly adpressed and erect when dry. Peri- 

 chcetial leaves one-half narrower than the upper ones, erect, 

 linear-lanceolate, ending in a long hyaline hair-point. Margins 

 entire, semi-convolute. Nerve ending at the hair-point. Fruit- 

 stalk Jin., curved, erect, and twisted when dry. Capsule ovate, 

 mouth wide. Peristome single, 16, slightly bifid and perforated. 

 Operculum mammillate. Calyptra mitriform, monoecious. 



