14 i Transactions. — Botany. 



the base ; inner, a membrane divided nearly to the base into 

 16 processes. Operculum shortly conic. Ccdyptra cucullate. 



Named after Eev. Dr. Erwin, Christchurch. 



Hah. Stones, in streams, Benmore ; January, 1897. Col- 

 lected by E. B. 



16. Bartramia ovalitheca, sp. nov. 



Plants dioecious, growing in dense patches liin.-2iin. 

 long, yellow-green above, brown below. Stems slender, radi- 

 culose ; innovations slender, fascicled, iin. long. Leaves 

 closely imbricating, nearly erect, small, ovate-lanceolate, 

 acuminate, tapering into a slender point, concave ; margins 

 serrated ; nerve excurrent, serrated. Areola quadrate, 

 leaves erect ; appressed when dry. Perichatial leaves erect, 

 slightly smaller than the stem ones, linear-lanceolate, taper- 

 ing from the base into a slender point. Fruit acrocarpous. 

 Fruitstalk slender, reddish, f in.-lin. long, inclined. Cap- 

 sule ovate, nearly symmetrical, furrow^ed when dry. Oper- 

 culum shortly conic. Peristome double ; outer • teeth 16, 

 lanceolate, free to the base ; inner, membranous, perforated 

 and laciniated. Calyptra cucullate. 



Hab. Wet rocks, Mount Torlesse ; January, 1886. Col- 

 lected by R. B. 



17. Bartramia tenuis, Taylor. 



Plants dioecious, growing in small loose patches iin. high, 

 yellowish-green above, brown below. Stem short, slender ; 

 innovations fascicled, slender. Leaves small, closely imbri- 

 cating, erecto-patent, ovate-acuminate, point slender ; mar- 

 gins serrated, papillose ; nerve slender, excurrent. Areola 

 small, quadrate ; leaves unaltered when dry. Perichatial 

 leaves about one-half smaller than the upper ones, ovate-acu- 

 minate. Fruit acrocarpous. Fruitstalk h in. long, inclined. 

 Capsule oblong, obliquely attached to the fruitstalk. Moiith 

 oblique. Opcrcidum conic, furrowed when dry. Peristome 

 double ; outer 16, linear-lanceolate ; inner, membranous, laci- 

 niated. 



Hab. Damp banks, Paterson's Creek, Otarama. Collected 

 by R. B. 



18. Bartramia joycei, sp. nov. 



Plants growing in loose patches 1 in. high, yellowish- 

 green above, brown below. Stem radiculose ; innovations 

 fascicled, i in. -fin. Leaves closely imbricating, secund, 

 recurved, ovate-acuminate, tapered into a slender point, 

 concave ; margins serrated ; nerve excurrent. Areola quad- 

 rate ; leaves scarcely altered when dry. Perichcetial leaves 

 as long as the upper ones, but narrower, erect. Fruit aero- 



