The Botany of Iceland - 01.12.1949, Page 44

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EMIL HADAC
ij6. Saxifraga oppositifolia L., Sp. pl. (1753) 402.
40—620 m.
Frequent. An average individual bears ca. 16 capsules (aver. from 11 samples);
each capsule contains about 35 seeds (aver. from 10 samp.), an average
individual produces thus about 530 seeds.
Arnarfell 173 m, 21. VI. 37; Herdísarvíkurfjall 110 m; Syðri-Stapi 141 m;
Vífilsfell 680 m; Bláfjöll cote 620 m; Sveifluháls 240—320 m; Fíflavallafjall
230 m; Kleifarvatn 140—150 m; Cape Reykjanes 40—85 m.
157. Saxifraga rivularis L., Sp. pl. (1753) 404.
310—620 m.
Very rare, only in highland, in crevices and lava clefts.
Grindarskarð 600 m, fl. 23. VII. 37; Vífilsfell 620 m; fl. 31. VII. 37; Bren-
nisteinsfjöll 470 m, fl. 14. VII. 37; Húsmúli 310—360 m; fl. 30. VII. 37.
158. Saxifraga stellaris L., Sp. pl. (17j3) 400.
3—542.
Common . Krísuvík (Steenstrup), Brennisteinsfjöll 450 m, fl. 24. VII. 37;
W-Plateau 542 m; Kolviðarhóll 370 m; Sveifluháls 320 m; Vatnshlíð 320 m;
Djúpavatn 290 m; fl. 28. VI. 37; Krókamýri 200 m; Hagafell 120 m; Hlíðar-
vatn 3 m; Vatnavellir 178 m; Gullkistugjá 120 etc.
Rosaceae.
IJ9- Alchemilla acutidens (Buser) Lindb. fil. (1909) m.
Probably rare in the area investigated.
Krísuvík (leg. Ostenfeld, det. Buser).
160. Alchemilla alpina L., Sp. pl. (17j3) 123.
2—620 m.
Common. Flowering 15 VI.—VIII. 37. Found often germinating 21. VI.—
6. VIII. 37.
Hafnarfjörður (Solander), Keflavík (Zoega), Krísuvík (Solander), 135 m;
Seltjörn 7 m; Vífilsfell 620 m; Vogavík 2 m, etc.
161. Alchemilla glomerulans Buser (1893) 30.
142—560 m.
Rare. Látsfjall 142 m, fl. 16. VI. 37; Brennisteinsfjöll 450 m; fl. 24. VII. 37;
560 m fl. 16. VII. 37; north-western part of the W-Plateau 400 m; Mara-
dalur 322.
162. Alchemilla minor Hudson (1762) J9.
io—éoo m.
Common. Krísuvík (Ostenfeld), Snorrastaðatjörn 12 m, Langahlíð 521 m,
Herdísarvíkurfjall 140 m, W-Plateau 600 m etc.