The Botany of Iceland - 01.12.1949, Qupperneq 39

THE FLORA OF REYKJANES PENINSULA
37
Ranunculaceae.
124. Caltha palustris L., Sp. pl. (1753) 558.
Rare: Stóri Nýibasr, 126 m.
125. Ranunculus acer L., Sp. pl. (1753) 554.
4— j 60 m.
Frequent. Hafnarfjörður (Solander), Gunna (Ostenfeld), Innri Njarðvík 10 m;
Herdísarvik 10 m; Stóri Nýibær 135 m; Brennisteinsfjöll 560 m; Geitafjall
500 m; Sviefluháls 320 m; Ketill 240 m; Fíflavallafjall 230 m; Djúpavatn
198 m; Súlur 140 m; Búrfell 143 m; Kaldársel 100 m; Cape Reykjanes 60 m;
Vogsósar 3 m; Grindavík 4 m.
126. Ranunculus auricomus L., Sp. pl. (1753) 551.
In one single locality, in the community of Empetreto-Caricetum fuscae:
Krísuvíkurdalur, 135 m.
New to the area investigated. R. auricomus is a very rare plant in Iceland:
there are only four other localities of this spccies known on the Island.
127. Ranunculus hyperboreus Rottb. (1770) 458.
135—198 m.
In bogs, scattered.
Hafnarfjörður (Solander); Grindavík (Ingólfur Davíðsson); Djúpavatn 198 m;
Kleifarvatn 135 m; Stori Nýibær 135 m, fl. 21. VI. 37.
128. Ranunculus repens L., Sp. pl. (1753) 554.
2—135 m.
On cultivated mcadows. Hafnarfjörður (Helgi Jónsson), Vogsósar 2 m;
Stóri Nýibær 135 m.
129. Ranunculus reptans L., Sp. pl. (1753) 549.
In bogs scattercd. Hafnarfjörður (Helgi Jónsson), Hafnir (Thoroddsen),
Snorrastaðatjörn 7 m; Krísuvíkurdalur 135 m; Vatnavellir 180 m; l’urrá 15 m;
Hlíðarvatn 3 m; Djúpavatn 198 m; Logberg 145 m.
130. Ranunculus trichophyllus Chaix ap. Villars (1786)
var. eradicatus (Laestad.) W. B. Drew (1936) 33.
135—230 m.
Rare. Kleifarvatn 135 m, fl. 17. VII. 37; Vesturháls above Krókamýri 230 m.
131. Thalictrum alpinum L., Sp. pl. (1753) 545.
5— 590 m
Frequent. One individual has ca. 10—13 flowcrs, in most cases with 5
carpels in each flower; but in each plant, 4—6 carpels only are fertilised and
develop to fruit.
Hafnarfjörður (Solander), Keflavík (Zoega), Vífilsfell 373 m; Skálafell 574