228 Transactions. — Botany. 



** Leaves entire, 



2. H. concinna. 



3. H. microclada. 



4. H. amcena, 



(d. Leaves without thickened margins. 

 * Leaves entire. 



5. H. sxibsinuata. 



** Leaves serrulate. 



6. H. pseudo-petiolaUt. 



7. H. ramulosa. 



8. H. subsimilis. 



9. H. obtusata. 



10. i?. curviseta. 



§ IV. Eriopus. 



11. H. petrophila. 



12. i?. pygmaa. 



§ II. Mniadelphus. 

 1. £/. smaragdma, sp. nov. 



Plant small, erect, densely tufted and matted in large spread- 

 ing patches, 6-8 lines high, much branched ; colour a pleasing 

 bright dark-green ; stems and main branches reddish-brown ; 

 branches straight, linear, very narrow, -^th inch wide. Leaves 

 sub-quadrifariously disposed, very small, close, imbricate, spread- 

 ing, not much altered when dry ; lateral broadly elliptic, dorsal 

 aud ventral orbicular, apiculate, narrowly margined, the upper 

 portion very finely and distantly denticulate, but scarcely per- 

 ceivable under a lens ; nerve 1, fine, cellular, extending beyond 

 middle ; cells orbicular and very small, but much larger and 

 oblong about base ; perichaetial broadly ovate, very finely mar- 

 gined, entire, acute, cells large. Fruit-stalk erect, 4 lines long, 

 usually springing from base of stems below leaves, red, shining, 

 smooth, twisted, black at base. Capsule horizontal, narrow- 

 oblong, somewhat sub-pyriform, sub-apophysate and slightly 

 strurnose, contracted below mouth ; external teeth dark-brown, 

 broad at base, very acuminate with two vertical central lines, 

 closely transversely striate, margins dark ridged (or lined) and 

 wearing a semi-denticulate appearance ; internal teeth pale, 

 slender, linear, with one vertical central line and a few distant 

 transverse bars, no ciliae. Calyptra small, conical, whitish, 

 smooth, base largely fimbriate ; fimbria? spreading, recurved, 

 obtuse ; tip acute, black, with 4-10 pellucid, jointed, long white 

 hairs largely produced beyond it, erect and straight, 



Hab. On trees and logs, forming large patches; dark sbady 

 woods near Norsewood, County of Waipawa ; 1885 : W.C. 



