BOTANICAL INFORMATION. 127 
B. Trans-Ural portion of the Empire. 
/. URAuIAN SIBERIA, lying to the east of the Ural 
Mountains, and including the countries watered by the lower 
Irtusch and the Ob. 
8. ALTAIC SIBERIA. 
9. BArkALIAN SIBERIA; the southern part of which 
comprises in itself a peculiar region, called 
10. Danuria. ; 
11. EASTERN SIBERIA; extending thence to the Sea of 
Okhotsk. 
12. The country of the TsCHECKSTSCHENS. 
13. Arctic SIBERIA ; or the northern boundary of Si- 
beria to the sea within the Arctic Circle. 
14. KAMTSCHATKA. 
15. Ist ANDs of the Eastern Ocean, (Aleutian, &c.) 
16. RUSSIA IN AMERICA. 
Such is the extent of country, the vegetation of which 
Dr. Ledebour has undertaken to describe, under the title of 
Flora Rossica, sive Enumeratio Plantarum in Imperii Rossici 
provinciis Europeis, Asiaticis et Americanis hucusque observa- 
torum: a country that possesses many points of interesting 
comparison with that of North America,* both in regard to 
extent and nature of vegetation. 
Voyage au Pole Sud et dans l'Océanie.—Botanique, par Hom- 
BRON ef Jacquinot (La Phanérogamie) Chirurgiens de PEs- 
pédition; et MONTAGNE (La Cryptogamie), large fol. Paris. 
The general results of the last voyage of the lamented Ad- 
miral d’Urville towards the South Pole, in the * Astrolabe" 
and the « Zélée,” during the years 1837—40, have been 
already given to the public; and already numerous Fasciculi 
* The Flora of North America, by Messrs, Torrey and Gray, our readers 
Will be glad to know has extended to the 3rd part of vol. ii, which in- 
cludes the Composite. 
