STUDIES ON THE VEGETATION OF ICELAND 73 
TABLE 17A CONTINUED. 
Te | Sell ard + 5 6 7 
ae ea de unit 
RER ES: trihduS... -. . :. A2 H | > > » > » | | 8 
Leontodon autumnalis... | E3 | H > » » ) >» | 8 > 
Linum catharticum ..... E1 Th » » | » 8 » | 
Potentilla verna......... BS JH air; » » | COAST" 
Rhinanthus minor....... E 2 Th > ll es ) 4 | 2 
Bas herbacea .......... A 3 Ch » » || 16 > | | 
Saxifraga oppositifolia ... | A3 Ch » N HEN | | 4 
Spergula arvensis ....... | E2 chi) » | yeh 38 » | » 
Taraxacum officinale .... | E2 Fas pila > > || ho : | 4 
Thymus serpyllum...... | E4 Ch » » | ge 4 | 4 
Mopalnsiris 2... | E3 H » » | i » » | » » 
TABLE 17B. Biological Spectra of the Flag Vegetation. 
| | 
lees 2 3 | 4 RG 7 
ne... | 120 | 284 | 884 | 960 | 812 | 1156 | 1040 
Bamber of species ......... 3 16 21 19 20 MØRE ee 
PENSE Of Species.......... 1.2 2.8 8.8 9.6 sale rn UG 10.4 
RER » 28.2.|:52.5,|: 492 |. 56.7 58.1 | 68.5 
EG ios oie ana out 100.0 | 71.8 | 47.5 | 50.8 | 43.3 | 41.9 3155 
à » | 28.2 | 37.6 | 32.9 | 37.9 | 36.0 | 46.9 
MN ooo cine 5S hav Cw el leg 158, 10487 | 22.0) ah 
I ke » | » » 0.4 » | » » 
Lu hrs Lis 
AT 28.84 |/ 184: | :19.5:: | 16:2, | 18:7: | 44.9 9.6 
CSN 76.7 | 53.5 | 27.6 | 32.9 | 22.6 | 24.6 | 21.2 
EPP > » | 05 0.9 20 | 25 0.8 
M CAP ER REE on ESS » 0.9 ‘ 
as | » | » | 72 | 104 | 79 | 159 | 200 
Le PPT | 10.0 11.2 | 59.3 | 54.6 | 57.1 63.3 | 60.8 
AL | 23.3 | 12.7 | 13.6 | 12.9 | 14.8 | 12.1 | 92 
ihn | » » » » | à. | » 
2 TR PP PT Pr | 66.7 | 76.1 | 19.9 | 22.1 | 20.7 | 87 | 100 
I have seen both these formations, the Subularia and the Ran. 
reptans formation, in the south country, and I can confirm Helgi 
Jönsson’s statement that they occur on a water-covered soil. The 
