The Botany of Iceland - 01.12.1949, Page 48

46
EMIL HADAC
Empetraceae.
180. Empetrum nigrum L., Sp. pl. (1753) 1022.
7—574 m
Frequent, especially in the lowland. Fr. in August. Some specimen are more
than 16 years old.
Hafnarfjörður (Solander), Seltjöm 7 m, fl. 15. VI. 37; Skálafell 574 m;
Kambar 80 m, fr. 8. VIII. 37; Brennisteinsfjöll 560 m; Geitafjall 500 m;
Selalda 100 m; Cape Reykjanes 65 m; Merkines 10 m etc.
181. Empetrum hermaphroditum (Lge.) Hagerup (1927).
124—523 m.
Frequent, especially in the highland.
Rjúpnadalshnúkar 340 m; Vatnshlíð; Svörtubjörg 140 m; Brennisteinsfjöll
523; Grindaskarð 300 m; Helgafell 124 m; Langahllð 180 m; Breiðdalur 240
m; Kleifarvatn 136—150 m.
Violaceae.
182. Viola canina L., Sp. pl. (1753) 935.
2—180 m.
Scattered, in the heath.
Hafnarfjörður (Solander), Vogavík 2 m; Herdísarvíkurfjall 120—180 m;
Húsafell; Búrfell 130 m; Háaleiti 35 m; Cape Reykjanes 10 m; Kleifarvatn
i6ð m; Súlur 45 m; Selalada 100 m; Grindavík 70 m; Sandfellsheiði 75 m;
Svartsengi 79 m; Selvogur 5 m.
183. Viola palustris L. Sp. pl. (1753) 934.
7—560 m.
Frequent. Each individual has one trilocular capsule with ca. (11)—21—(29)
seeds (average from 10 samples).
Hafnarfjörður (Knudtzon), Seltjörn 7 m, fl. 15. VI. 37; Snorrastaðatjörn 8 m;
Krísuvík 120 m; Herdísarvík 10 m; Selalda 100 m; Almenningur 105 m;
Sandfellsheiði 75 m; Háaleiti 55 m; Brennisteinsfjöll 560 m; Geitafjall 500 m;
Krókamýri 200 m; Vífilsfell 308 m; Grindaskarð 300 m; W-Plateau 460 m.
Oenotheraceae.
184. Epilohium alsinifolium Vill. (1787) yn.
140—385 m.
In springs, common. Hafnarfjörður (Symington), Járngerðarstaðir (Bjarni
Ólafsson); southern shore of Kleifarvatn 140 m, fl. 17. VIII. 37; Krísuvíkur-
dalur 150—160 m; Sveifluháls 240 m; Vigdísarháls 205 m; fl. 10. VII. 37;
(Hengill 385 m; Húsmúli 310 m).