450 Transactions. — Botany. 



9. B. calcareum, sp. nov. Plate XL., fig. 21. 



Plants growing in small patches J in. high, yellowish- 

 green. Stems short, ^ in. ; innovations few, j\- in. Leaves 

 small, erecto-patent, imbricating round the stem, lanceolate 

 or shortly oblong-lanceolate, acute, concave ; margins entire, 

 plain ; nerve excurrent. Innovation leaves smaller, shortly 

 oblong-lanceolate, acute. Areola : Upper trapezoid, lower 

 quadrate ; erect when dry. Perichcetial leaves small, linear- 

 lanceolate, acute ; nerve excurrent ; acrocarpous. Fruitstalk 

 slightly flexuous, ^ in. -fin., shortlj^ curved at the apex. 

 Capsule small, subpyriform, slightly gibbous on the back, 

 horizontal, shortly tapering into the fruitstalk. Peristome 

 double ; outer teeth 16, free to the base ; inner, a membrane 

 divided to the middle into 16 processes, one-third shorter 

 than the outer ones, alternating with them. Operculum 

 conic. Galyptra not found. 



Hah. On damp banks, Weka Pass. Collected by R. B. 



10. B. argenteum, L. Plate XL., fig. 22. 



Hah. On damp banks, stones, and old roofs of houses. 



11. B. petriei, sp. nov. Plate XL., fig. 23. 



Plants moncecious, growing in dense patches i-in. high, 

 yellowish-green. Stem lin.-^in. ; innovations barren, fas- 

 tigiate, fin. Leaves erecto-patent, imbricating round the 

 stem, upper deltoid-acute or acuminate, middle ones ovate- 

 acuminate, concave ; margins entire, plain ; nerve ending at 

 the apex. Lmovation leaves small, lanceolate, acuminate ; 

 nerve excurrent. Areola : Upper trapezoid, lower erect when 

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

 ovate-acuminate ; acrocarpous. Fruitstalk f in. long, curved 

 at the apex. Capsule pendulous or horizontal, small, pyri- 

 form, constricted towards the base, narrowing at the mouth. 

 Peristome double ; outer teeth 16, free to the base, lanceolate- 

 acuminate ; inner, a membrane divided to the middle into 

 16 processes, alternating with the outer ones. Operciilum and 

 calyptra not found. 



Hah. On damp banks. West Coast Eoad. 



12. B. huchanani, sp. nov. Plate XL., fig. 24. 



Plants monoecious, growing in loose patches iin.-lin. 

 high, yellowish-green. Stem :jin,; innovations barren, fasti- 

 giate, radiculose. Leaves erecto-patent, closely imbricating 

 all round upper ones, lanceolate-acuminate, concave ; mar- 

 gins entire, recurved to near the apex ; nerve excurrent, aris- 

 tate, middle ones ovate-lanceolate, acuminate. Areola: Upper 

 trapezoid, lower quadrate; erect when dry. Perichcetial leaves 

 shorter than the upper ones, triangular, nerved to the apex. 



