780 



phyto- geographical position of this flora on the whole, I give a 

 summa:ry of the Rhodophycece^ and Phceophijcece of these countries 

 in the following table; the numbers are taken from the table pre- 

 pared by Jonsson and myself (12, p. XXII)^. 



Rhodophycece 



and 

 Pha'ophycece 



T3 



a 

 o 



C/2 



West Nor- 

 way 



The Shetl. 

 Isles 





T3 



o 

 Z 



South West 

 Iceland 



s 



^4 



North East. 

 Iceland 



TheMurman 

 Sea 



West Green- 

 land 



Number of Spe- / 



184-^128 



101-f89 



494-38 



83-172 



704 53 



65+60 



65460 



454 55 



37435 



414 63 



cies \^ 



= 312 



= 190 



= 87 



= 155 



= 123 



= 125 



= 125 



= 100 



= 72 



= 104 



arctic 



3.8 



0.5 

 3.16 



« 



8.9 



0.8 

 9.7 



1.6 

 15.2 



5.5 

 16.6 



8.9 

 18.8 



15.3 

 18.0 



17.3 



subarctic 1 . . . . 



26.0 



2 . . . . 



9.9 



14.2 



17.2 



20.0 



16.2 



24.0 



23.8 



29.7 



30.0 



27.8 



boreal-arctic . . . 



5.7 



8.4 



16.0 



11.0 



13.0 



13.6 



14.3 



15.8 



18.0 



16.3 



cold-boreal 



25.8 



38.0 



40.0 



47.1 



49.6 



38.4 



36.5 



25.7 



18.0 



12.5 



warm-boreal 1 . 



6.7 



9.47 



18.4 



13.0 



10.6 



6.4 



4.0 



0.9 



» 



» 



— 2 . 



28A 



26.3 



8.0 



» 



» 



0.8 



» 



» 



» 



» 



— 3 . 



19.0 



» 



» 



» 



s 



» 



» 



» 



» 



> 



It is evident from this table, that the Fseroes come next to 

 the Shetland Isles and Nordland. Scotland has a consider- 

 able percentage of warm-boreal species, no arctic and only very few 

 subarctic species. West Norway has a much smaller number of 

 w^arm-boreal, V2 Vo of arctic [Turnerella Pennyi found in Trondhjems" 

 fjord by Foslie), and a little higher percentage of subarctic species. 

 The Shetland Isles likewise have a smaller number of warm- 

 boreal species, but apparently an equally large number of subarctic 

 species as West Norway; this is, however, certainly due to the fact, 

 that these Isles have not been sufficiently investigated, for it is clear, 

 that if the subarctic group 1 is represented by 3.8 % in Scotland, 

 it must reach to the same amount at least in the Shetland Isles, where 

 none of these species have been found hitherto. Of the Fseroese 

 algae, only 13 Vo are warm-boreal, almost one half are cold boreal and 

 29 Vo subarctic. Nordland has not quite so many warm-boreal spe- 

 cies, that is, only a little more than 10 ^/o; one half of the species are 

 cold-boreal; the subarctic group is a little smaller than at the Faer- 

 oes, but on the other hand a small arctic element is found here. In 



^ The numbers belonging to the Faeroes differ a little from those above, as 

 Ectocarpus spec, is left out of consideration here. 



