_ | oe 300) 
Notes for a lecture on .the peeraraph ical distribution of plants. 
I, KINGDOM OF THE MOSSES AND SAXIPRAGEA. 
(Arctic Alpine Hingdom<— Wahienberg’s Kingdom) 
a. he Polar countries from the ice limits to the tree limits (Scandinavia, 
70° N. Asia, 689, Kamischatka, 58°, middle of North America, 689, 
Labrador, 589, the polar islands, Greenland, Iceland, 60°. 
b. The higher regions of the mountains. of Hurope, North Asia, and 
- probably also of North Anica Likewise from the snow-line to the tree- 
limit, namely; in Northern Scandinavia, 1,500—3,000 French feet; in 
i Southern a icaise, 3,500—5,200; in the Carpathian Alps, 4,500—8.000; 
In the Alps cn their north side, 5,500—8, 200, on the south side, 6, 500-8, 600; 
the Pyrenees on the north side, 6 ,900—7,800, on thesonth side, 6,900—8, ‘600: 
* the epee, ©, 000—9,000; Caue casus, 3, 500— 10,000; the e Altai Mountains, 
6,060—7,000... The Greek Monntains, the Balkan, Sierra Nev ada. 
Mean hi emparalure Polar lar nds, 1.75° to 4419 Fahr, ; Mount. reg. 
+20:75° ta 4-36.59 
Characteristic and predominating forms.—Ranunculus, Arabis, Draba, 
 Arenaria, Dryas, Potentilla, Saxifraga, Khododeudron, Azalea, Gentiana, 
Pedicularis, Salix, Musei, Lichene For the polar lands partienlarly: 
Coptis, Eutrema, Parrya, Depincie: ‘Androm eda, Ledum. For the moun- 
tn regions; Cherleria, Campanula, Phyteuma, Prigiils, Aretia, Solda- 
nella, 
Dwarf herbaceous —— with proportionate large flowers of a pure color. 
Trees absent. Dom nating. shrubs. and half-shrabs, in. the polar lands: 
Betula nana; Salix | et be fusca, lapponum, reticulata, arctica, cnt 
Rubus, Chamemorus, Empetrum nigrum; A romeda hypnoides, tetra- 
gona; Arbutus alpina, Uva ursi ; ‘Azalea procumbens, fthodedetdron 
lapponicum, Menziesia zeerulea. In the mountain region: Juniperus nana. 
_ Alnus. viridis; po reticnlata, herbacea ; Rhododendron. ferrugineum, 
hirsutum, eaucasicum; Vaccinium Myrtillus, uliginosum ; Azalea procum- 
sat Arbutus alpine, a va ursi 5 aes trum nigrum, 
rat 
Il. KINGDOM OF THE UMBELLIFERA: AND CRUCIFERS. 
(N ‘orth European and North Asiatic Kingdom.—Linné’s Kingdom.) 
Europe and North. Asia’ from the southern limits of the last kingdom to 
the ines the Alps, the Balkan, Caucasus, Altai, perio, and the 
Rend e ae: the mountains. of Southern Kurope. Mean Temperature, 
5° to 
=~ Dacieteh Unsbeliers aise. Conifere, Amentacee, Gramines, 
‘ Py - Hie 
