Brown. — On New Zealand Musci. 461 



ing round the stem, spreading; upper ones ovate-lanceolate 

 or oblong-lanceolate, acute or acuminate, very concave, nerved 

 to the apex, excurrent in the uppermost as a slender point ; 

 margins entire, having a border with long narrow cells re- 

 curved below ; middle ones ovate-acute, nerve subexcurrent. 

 Innovation leaves very concave, oblong-lanceolate, subacute 

 or obovate-acute, minutely apiculate, nerved to the apex. 

 Areola : Upper trapezoid, oblong near the base. PerichcBtial 

 leaves very small, ovate-acuminate; nerve excurrent; acro- 

 carpous. Fruitstalk l|-in. long, curved at the apex. Capsule 

 large, clavato-pyriform, subventricose, tapering into the fruit- 

 stalk. Peristome double; outer teeth 16, free to the base; 

 inner, a membrane divided to the middle into 16 processes, 

 alternate with the outer. Operculum mamillate. Calyptra 

 not found. 



Hah. Stvx Marsh, near Christchurch, in water; October, 

 1895. Collected by K. B. 



41. B. eximium, Mitt. Plate XLIII., fig. 53. 



Plants dioecious, growing in loose patches 1 in.-4in. high, 

 pale-green above, dark-brown below. Stems lin.-2|^in., 

 slender, radiculose ; innovations fastigiate, lin.-ljin. Leaves 

 large, spreading, iin.-Jm. long, loosely imbricating; upper 

 ones oblong-lanceolate, acute ; middle ones subacute, very 

 concave ; margins recurved below, bordered with long narrow 

 cells minutely toothed at the apex ; nerve disappearing below 

 the apex. Innovation leaves oblong, round at apex ; nerve 

 disappearing below the apex. Areola: Upper trapezoid, lower 

 oblong. Perichcetial leaves small, linear-lanceolate, acute, 

 minutely toothed at the apex ; acrocarpous. ' Friutstalk 2 in.- 

 3 in. long, curved at the apex. Capsule oblong-pyriform, with 

 a short tapering base. Peristome double ; outer teeth 16, 

 free to the base ; inner, a membrane divided for two-thirds 

 of its length into 16 processes, shorter than the outer, and 

 alternate with them. Operculum conic. Calyptra cucullate. 



Hah. Styx Marsh, near Christchurch, in water ; Novem- 

 ber, 1897. Collected by E. B. 



42. B. billardierii, Schwaegr. Plate XLIII., fig. 54. 



43. B. rufescens (?), H. f. and W. Plate XLIII., fig. 55. 

 Plants growing in dense tufts -Jin. high, pale-green. Stems 



fin. high; innovations -|^in.— |in. high, fertile, fastigiate. 

 Leaves erecto-patent, imbricating, oblong-obovate or sub- 

 spathulate, acuminate ; margins with a border of narrow 

 cells minutely toothed at the apex and recurved below the 

 middle ; nerve excurrent, aristate, curved, in the middle 

 leaves subexcurrent. Areola : Upper trapezoid, becoming 

 quadrate at the base ; leaves twisted when dry. Perichcetial 



