Some Notes concerning the Vegetation of Germania Land 377 



to the cloud-covering and its more or less complete independence 

 of direct sunlight, I have made, at different times during the twenty 

 four hours, and at shorter or longer intervals, many other measure- 

 ments which elucidiate the warmth-conditions which usually prevail. 



July 1, 1907 8 a. m. 2 p. m. 9 p. m. ^^^'^' ^'^'^ ^ ^°5 ''^ the morning, 



and amount of cloud 10^ during 

 Air . . . -f 1.7 +2.0 -f 0.5 the wliole day. 



At 12 midnight. Air +2.8; Vester Elven +4,2. 



July 5, at 2 p. m. Air + 5.4, clear. 



The water in Øster Elven +11.2 



Irrigated moss and Salix at a depth of 5 cm. +11.2 



Damp tuft of Dryas - — - 6 — + 10.4 



— - - — - — -12 — + 8.8 



Stagnant water + 12.5 



Dry, rather compact clay + 18.4 



Dry, pulverized clay + 20.2 



July 7 8 a. m. 2 p. m. 9 p. m. I ^" *^^ "^°™'"g ^7,""* f 



-^ f f \ cloud 101. at midday the 



Air . . + 5.1 + 4.8 + 4.5 I ,^„ 31^^^,. 



9.45 a. m. 6 p. m. 

 Main channel of Vester Elven (strong current) ... + 8.5 + 11.2 



Stagnant water in a hole + 5.0 



Running water at the side of the hole + 10.5 + 13.2 



Moist soil at a depth of 3 cm + 11.0 



Soil less moist, but grown over + 12.8 



Wet clay in a depression +11.5 



Dry clay + 14.0 + 21.5 



A dry tuft of Dryas between the withered leaves . + 13.5 + 22.0 



A dry tuft of Dryas at a depth of 6 cm + 10.2 



Notwithstanding the sunshine in the afternoon the maximum 

 of the day was only + 7.4, on account of a south-easterly wind. 



July 10 8 a. m. 2 p. m. 9 p. m. | South-easterly wind of inferior 



Air . . +3.4 + 3.5 + 0.7 | strength. 



12 midday 3 p. m. 6 p. m. 



Blank bulb on the ground + 22.0 



On a declivity with Taraxacum, Draba hirta, 



Saxifraga rivularis, Ranunculus pygmceus, 



and others at a depth of 5 cm + 12.6 



Loose gravel at the surface + 16.2 



The water in a small lake with a barren, 



stony bottom + 12.2 



