18 



uniserial, one septate. — A beautiful lichen, and one that might constitute 

 the type of a new genus. On stones in dry creeks, 200 feet. 



Lecidea Otagensis ? (Nyl.). — Thallus greyish white, smooth, thin and 

 nearly continuous ; apothecia black, sessile, slightly concave, margined, 

 afterwards slightly convex and imraarginate, and somewhat rugose ; 

 spores eight, irregularly fusiform, thicker at one end, and shaped like an 

 Italian/; septa varying from tv/o to six ; hypothecium pale ; paraphyses 

 not distinct, their a])ices black and closely matted together, as in many- 

 others of the New Zealand lichens. 



The shape of the spores as indicated above is constant throughout 

 several specimens examined, and it is noticeable that the curve at the 

 thicker end is invariably that of a shorter radius vector. 



Until I saw Dr Lauder Lindsay's paper, in the Edinburgh Philosophical 

 Transactions, On Lichens and Fungi of New Zealand, I felt satisfied in 

 identifying this lichen with L. Otagensis, from Dr. Nylander's descrip- 

 tion; but the shape of the spores, as figured by Dr. Lindsay, is quite at 

 variance with what I have seen and described. The whole of a thin 

 section has a dingy aspect, and the hypothecium is not dingier than the 

 rest, perhaps more pellucid. — On trees, 1000 to 1500 feet. 



Lecidea insidens (Sp. Nova). — Thallus white, smooth, investing the 

 leaves of Dicranum Menziesii with a continuous layer, to which, also, the 

 apothecia are attached by a central poinb ; apothecia reddish brown, 

 rugose, plane, surro\;nded by a smooth prominent border of the same 

 colour ; hypothecium pale red, grumous ; spores eight, colourless, 

 sphaerical, muralilocular; paraphyses discrete. 



Ihe spores are muralilocular, and not merely coarsely granular, while 

 their outline, when free, is, in the great majority of cases, circular, 

 although a few are to be seen somewhat oblong. The paraphyses are 

 thickened at their apices, where they are of a brown colour, and matted 

 together. 



Lecidea kelica (Sp. Nova). — Thallus greyish white, thin, minutely 

 rimuloso-areolate j areolae smooth, fiat, or somewhat convex (K — C — ); 

 a,pothecia bright yellow (K, red), convex, immarginate, generally clustered 

 and then deformed ; hypothecium pale ; spores eight, straight or curved, 

 coloiirlesss, elongato-elliptical, almost sub-cylindrical, one septate ; para- 

 physes indistinct, with reddish brown apices. 



This lichen is peculiar in having attached to the hypothecium, or 

 indeed forming part of it, little cushions composed of green granular 

 matter, not gonidiac cells, but rather as if their granular contents were 

 set free — grauula gouima, in fact ; so that a microscopic preparation 



