GEOGRAPHICAL BOTANY.

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racteristic species also become less, the Fjeldplateaugradually assuming the condition of a steppe. In thisrespect, Lindblom’s observations on the desert of the Bygle-and Hekle-Fjelds, or the most southern part of the high-lands, which were made many years ago, but are againbrought forward in the present memoir, are instructive.The predominating plants of some tracts in this part,e. g. between Siredal and Lysefjord , are Molinia caeruleaand Solidago virgaurea, and these displace all others.The alpine plants of this region, as shown by the followinglist of them, also grow in Ilardanger, and do not resemblethose of the Brocken or the Sudeten, to which, among thewhole of the Scandinavian mountains they are most nearlysituated.

Ranunculus pigmceus.

Arabis alpina ; Cardamine bellidifolia.

Silene acaulis; Lychnis alpina; Stellaria alpestris; Cerastium trigynumalpinum ; Sagina Linnrei.

Epilobium alpinum, alsinifoliuni.

Dryas odopetala ; Potentilla maculata ; Sibbaldia procumbens ; Alchemillaalpina.

Rkodiola rosea.

Saxifraga Cotyledon , stettaris, aizoides, rivularis, oppositifolia, nivalis.

Saussurea alpina ; Hieracium aurantiacum, alpinum.

Phyllodoce taxifolia; Cassiope hypnoides; Ardostaphylos alpina ; Loiseleuriaprocumbens.

Oentiana purpurea.

Veronica alpina, saxalilis ; Bartsia alpina.

Oxyria reniformis.

Salix glauca, Myrsinites, Lapponum, retusa, herbacea.

Iietula nana.

Tofieldia borealis.

Juncus biglumis, trijidus ; Luzula arcuata and spicata.

Aira alpina and atropurpurea ; Poa alpina ; Phleum alpinum.

Carex rariflora,pulla, lagopina, rigida, vaginata, atrata, rotundata, capillarisand alpina ; Eriophorum capitatum.

Lycopodium alpinum.

Polypodium alpeslre.

The second section of Lindblom’s memoir treats of thedistribution of the Norwegian Ferns, which, according totheory, ought to be more common on the western coast