Gymnogramme alpina, sp. nov.
Rhizome dark brown, stout, ascending, clothed with brown scales. Fronds silvery-green above, oblong, narrow, 1–3 inches long, half inch broad; pinnate, densely villous, soft, thick in substance. Stipe silverygreen or brownish, tufted, stout or slender, densely villous. Pinnæ petioled, except the last three, in pairs or alternate, deltoid or cuneate, with two or three blunt irregular-shaped lobes, both sides densely villous, veins flabellate; sori ovate, numerous, covering a large portion of the under-surface of pinnæ.
A hardy perennial, growing in crevices of rocks on steep facings of the Southern Alps at an elevation of some 3,000 feet. In this habitat it withstands the rigours of winter, the severity of which is quite unknown to the dwellers near the coast. It is probably the most densely villous of all the New Zealand Filices; in its soft woolly texture and silvery-grey colours it bears close resemblance to several plants of our alpine flora. Compared with G.
pozoi, it lacks the membranous texture of that rare fern, the fronds are crowded, the pinnæ far less distant; the writer names it provisionally G. alpina, as appropriate from its habitat.
It was collected by Mr. Gray in the Upper Ashburton district.