Colenso. — On the Botany of New /Zealand. 361 



Genus 39. Anthoceros, Micheli. 

 Anthoceros muscoides, sp. nov. 



Plant forming small dense moss-like patches, often circular, 2-3 inches 

 diameter ; light-green above, whitish-green below possessing there a 

 blanched appearance ; branchlets ox fronds all erect, very compact and crisp, 

 £ inch high, narrow below, very much dilated above, much laciniate and 

 jagged at margins, each branchlet usually incurved sub-cyathiform with in- 

 volucre arising from the central lacinia, sometimes two on a branchlet ; 

 involucre cylindric, margin of mouth slightly scarious and slightly erose ; 

 capsules numerous, 2-2£ inches long, at first erect acute and coloured green, 

 brown at tips, black flaccid and drooping when mature ; valves 1± inches 

 long, obtuse; columella exceedingly filiform, and, with spores, black; gemma 

 circular, scattered, immersed in substance of frond ; rootlets numerous, fine 

 light brown. 



Hab. On damp shady sides of cuttings in white indurated clay hills, 

 road, Seventy-mile Bush, Waipawa County, 1883 : W.C. 



Obs. — A well-defined and truly elegant little species. 

 Order VII. LICHENES. 

 Genus 5. Sphserophoron, Pers. 

 Sp>ha:rophoron polycarpuni, sp. nov. 



Thallus foliaceous attached at base, sub-erect, branched, effuse, under 

 1 inch high, loosely imbricate in growth like large irregular scales, light 

 green above white below, branches and lobes broad dilated or narrow, 

 laciniate and crenately toothed. Apothecla at the edges of lacinias or teeth, 

 or sub-marginal below, many (8-00) on a frond, circular, light brown at 

 first, with a narrow flat thalline border, afterwards black and hemi- 

 spherical, becoming oblong and sub-confluent in age, capitulum girt by a 

 narrow entire rim. 



Hab. On trunks of aged Fagus trees in large patches, projecting hori- 

 zontally, sub-alpine forests Euahine mountain range, 1846-1852 ; always 

 barren ; but near Norsewood, bearing fruit plentifully, 1883 : W.C. 

 Order VIII. FUNGI. 

 Genus 10. Polyporus, Fries. 

 Polyporus [Mesopus) nivicolor, sp. nov. 



Plant glabrous, wholly pure white including stem, shortly pendulous, 

 growing closely together, sometimes 3 or more springing from the same 

 root and subimbricate. Pileus fleshy, thickest in centre thin at edges, sub- 

 orbicular, oblong or reniform, 1-1| inches diameter, concave and subcup- 

 shaped below, convex and obsoletely zoned and veined above, margin 

 distinct, delicately thin, irregularly but neatly crenate and subincised, 

 revolute; stem a continuation of pileus, short, thick, obconical, nearly 

 central ; pores rather large, subrotund and angular. 



