The Botany of Iceland - 01.12.1949, Qupperneq 43

THE FLORA OF REYKJANES PENINSULA
41
Herdísarvík 105 m; fl. 11. VIII. 36; Hlíðarendafjall 100 m; Cape Reykjancs
50 m; Hlíðarvatn 3 m; Kleifarvatn 166 m.
151. Saxifraga caespitosa L. (1753) 404. emend. Engl. et Irmsch. (1916)
358.
42—68j m.
Frcquent. Hafnarfjörður (Solander), Krísuvík (Steenstrup), Arnarfell 173 m;
fl. 2i. VI. 37; Brennisteinsfjöll 450 m, fl. 24. VII. 37; Vífilsfell 654 m;
Helliskarð 364 m; Bláfjöll cote 620 m; Hákollur 685 m; Brekka 42 m; Geita-
hlíð 310 m; Keilir 379 m; Porbjörn 45 m, fl. 9. VIII. 36; Cape Reykjanes
55 m; Hagafell 120 m; Súlur 140 m; Djúpavatn 198 m; Fíflavallafjall 230 m.
ij2. Saxifraga Hirculus L., Sp. pl. (1753) 402.
178—210 m.
Very rare, only in the NE part of the area investigated.
Vatnaöldur, NW from Vífilsfell 178 m, fl. 30. VII. 37; Kolviðarhóll S from
Húsmúli 210 m.
153. Saxifraga hypnoides L., Sp. pl. (1753) 405 ssp. boreali-atlantica
Engl. et Irmsch. (1916).
135—620 m.
Scattered. Krísuvík (Steenstrup), Brennisteinsfjöll 460 m; fl. 24. VII. 37;
Bláfjöll, cote 620 m; Sveifluháls 240—320 m; Krokamýri 200 m; Djúpavatn
198 m; Krísuvíkurdalur 135 m.
154. Saxifraga nivalis L., Sp. pl. (1753) 401.
115—620 m.
Highland type, descending often to the lowland. An average individual has
usually 2 stems with ca. 8 flowers on a stem (aver. from 12 samples). Each
capsule contains about 60 seeds (aver. from 6 samples); one aver. indiv.
produces thus about 960 seeds.
Hafnarfjörður (Solander), Krísuvík (Zoega), Bæjarfell on the W-PIateau 580
m; Sveifluháls 320 m; Syðri-Stapi 142 m; Ketill 240 m; Lambhagi 140 m;
Brennisteinsfjöll 460 m; Hólmshraun nj m; Hveradalir 360 m; Vífilsfell
620 m.
155. Saxifraga tenuis (Whlbg. pro var.) EL Smith in Lindman (1918)
300.
310—620 m.
A typical highland plant. Rare. Seems to be new for the southern and
western part of Iceland; Gröntved (1942) 265 writes sub. S. nivalis v.
tenuis: “found in some places in E and N.”
Brennisteinsfjöll 480 m; Helliskarð 364 m; Vífilsfell 620 m; fl. 31. VII. 37;
together with S. nivalis; Skálafell 460 m; 460 m; Kerlingarskarð 550 m, fl.
VII. 37; Bláfjöll, cote 610 m; (Húsmúli, in a crevice 310—360 m).
The Botany of Iceland. Vol. V. Part I. 6