The Botany of Iceland - 01.12.1949, Blaðsíða 52

J°
EMIL HADAC
Seltjörn 8 m, fl. 15. VI. 37; Vífilsfell 654 m; Skálafell 574 m; Bláfjöll cote
620 and 632; Hákollur 685 m, fl. 8. VIII. 37: Ósar 1 m, Hvaleyri o m,
fl. 27. VIII. 37, etc.
Gentianaceae.
201. Gentiana aurea L. (1762) 331.
40—150 m.
Scattered, in the lowland.
Cape Reykjanes 40—65 m, fl. 5. VII. 36; Herdísarvíkurfjall 150 m, fl. 11.
VIII. 36; Súlur 140 m, fr. 8. VIII. 36.
202. Gentiana campestris L., Sp. pl. (1753) 231 ssp. islandica Murbeck
1892) 10.
10—120 m.
In the heaths frequent. An average individual has (4)—9—(20) flowers (aver.
from 8 samples). Each capsule contains ca. (74)—90—(m) seeds (aver.
from 10 samples). An aver. individual thus produces about 810 seeds.
Hafnarfjörður (Grönlund), Logberg 120 m, Merkines 10 m etc.
f. Hartmanniana Baenitz.
Kaldársel 87 m, fl. 14. VIII. 36; Herdísarvíkurfjall 105 m, fl. 11. VIII. 36;
Cape Reykjanes 65 m, fl. 5. VIII. 36; Helgafell etc.
203. Gentiana nivalis L., Sp. pl. (1753) 229.
40—400 m.
Scattered. Herdísarvíkurfjall 105 m, fl. 31. VII. 37; Kolviðarhóll 390—400
m, fl. 31. VII. 37; Cape Reykjanes, 40—65 m, fl. 4. VIII. 36.
204. Menyanthes trifoliata L., Sp. pl. (1753) 145.
7—200 m.
Rare. In Snorrastaðatjörn abundantly flowering. In Krísuvíkurdalur a form
with 1—3 flowers only. Flowers frequently visited by humblebees (Snor-
rastaðatjörn 17. VI. 37).
Hafnarfjörður (Solander), Snorrastaðatjörn 7 m; Krísuvíkurdalur 136—200
m; fl. 14. VII. 37; Purrá 15 m.
Boraginaceae.
205. Mertensia maritima (L.) S. F. Gray (1821) 354.
On the sea-shore only.
Vogshús (Mörch), Narfakot, fl. 17. VI. 37; Herdísarvík, fl. 30. VI. 37;
Hvaleyri, fr. 21. VIII. 37.
206. Myosotis arvensis (L.) Roth (1787) 20.
In the lowland, scattered. 10—250 m.
Hafnarfjörður (Knudtzon), Valahnúkur 145—350 m; Stóri Nýibær 135 m;
Grindavík 10 m, fl. 19. VI. 37; Látsfjall 85 m, fl. 1. VII. 37; Vogshús 2 m;