208 



f Leguminosse, with 6 



j Saxifragacese, " 6 



| Scrophulariaceae, " 6 



^Filices, " 6 



r Caryophyllaceae, " 5 



) Caprifoliaceae, " 5 



C Con i terse, " 5 



fPrimulaceae, " 4 



j Gentianaeese, " 4 



Labiatse, " 4 



Orehidacese, " 4 



genera. 



Cruciferae, 

 ( Leguminosse, 

 c Saxifragacese, 



Cyperacese, 

 f Unibelliferae, 

 Caprifoliacese, 

 Borruginaceae, 

 ^Filiees, 

 'Onagraceae, 

 Gentianaeese, 

 Polygonaeese, 

 | Con i terse, 

 Orehidacese, 



with 12 species. 



" 9 " 



(< 9 u 



u g it 



t ( 7 a 



a 7 n 



it 1 «< 



<« 7 (< 



.< e " 



» 6 " 



« e H 



" 6 " 



There are 21 orders which are represented by a single genus ; and 9, by a single species. 



Among the larger genera, the following are conspicuous: Oarex (with 8 species); Stellaria 

 (with 7) ; Artemisia (6) ; Epilobium, Senecio, Vaccinium, Meiiensia, Veronica and Pedicularis 

 (5 each) ; Arabis, Viola, JPrunus, Poteatilla, Saxifraga, Achillea, Pyrola, Polygonum, Poa, Lyco- 

 podium and Equisetum (4 each). 



The relative size of these principal orders and genera indicates distinctly the northern nature of 

 the flora. To bring out more clearly a certain peculiarity of the Kurile vegetation, a comparative 

 table, placed below, has been constructed, giving in the first column the names of orders ; in the 

 second, the relative percentage which they bear to the whole Kurile flora; and in the third, to that 

 of the flora of Yezo ; in the fourth, to that of Saghalin ; in the fifth, to that of Amur-land; and in 

 the last column to that of eastern Siberia. The figures in the third column are based on my unpub- 

 lished list of the Yezo plants, containing a little over 1,100 species. The fourth column I have based 

 entirely on the Flora Sachalinensis of F. Schmidt. The last two columns were taken from Maximo- 

 wicz's Primitise Florse Amurensis, p. 430. 





Kurile Islands. 



Yezo. 



Saghalin. 



Amur-land. 



E. Siberi 



Compositse. 



9.5 



7.2 



9.1 



11.7 



9.8 



Rosacea?. 



7.3 



5.3 



5.1 



4.9 



5.8 



Graminese. 



5.4 



4.8 



6.8 



6-3 



4.9 



Ericacese. 



5.0 



3.8 



4.0 







Liliacese. 



4.7 



4.9 



4.0 



4.5 



3.5 (?) 



Caryophyllacese. 



4.7 



2.1 



2.2 



3.2 



5.1 



Scrophulariacese. 



4.4 



2.5 



2.2 



2.4 



2.3 



Ranunculacese. 



4.1 



3.6 



5.0 



7.2 



8.2 



Cruciferse. 



3.7 



2.1 



3.2 



3.5 



6.4 



Leguminosse. 



2.8 



2.3 



1.0 



3.0 



5.3 



Saxifragacese. 



2.8 



2.3 



2.2 







Cyperacese. 



2.5 



5.1 



7.3 



4.9 



5.6 



Umbelliferse. 



2.2 



2.6 



3.4 



2.9 



1.7 



Caprifoliaceae. 



2.2 



1.5 



1.8 



1.2 



1.1 



Borraainacese. 



2.2 



.8 



.3 



1.1 



1.1 



Filices. 



2.2 



3.8 



3 2 



2.3 





Polygonacese. 



1.8 



2.7 



2.7 



2.8 





Orehidacese. 



1.8 



3.0 



3.5 



1.5 



1.3 



Onagracese. 



1.8 



1.0 



.8 



1.1 



0.5 



