The Botany of Iceland - 01.12.1949, Qupperneq 37

THE FLORA OF REYKJANES PENINSULA
35
113. Cerastium Cerastoides (L.) Britt. (1894) 150.
180—560 m.
Highland type, common in snow patches, seldom descending into the lowland.
Rjúpnadalshnúkur 340 m; Vatnavellir 190 m; Brennisteinsfjöll 560 m; Langa-
hlíð 542 m; Fóelluvötn 180 m; Central Highland.
114. Honckenya peploides (L.) Ehrh. (1788) 181 v. oblongifolia Hartm.
1—8 m.
Halophytic, on the sea shore, scattered.
Vogsósar (Thoroddsen), 1 m, fl. 4. VII. 37; Isólfskáli (Thoroddsen); Narfakot;
Grindavík; Strandarkirkja 8 m.
115. Minuartia rubella (Wg.) Graeb. in A. et G. (1918) 733.
130—200 m.
Rare. Grindavík (Ingólfur Daviðsson), Krísuvík (Ingólfur Davíðsson); Log-
berg 130 m; Sveifluháls 200 m.
116. Sagina intermedia Fenzl in Ledeb. (1824) 339.
135—560 m.
Rare. One indiv. has about 60 fiowers (averagc from 3 samples). Each
capsule contains ca. 38 seeds (average from 10 samples). One average
individual can thus produce about 2.280 seeds.
Vigdísarháls, Philonotidetum fontanae 210 m, fl. 10. VII. 37; southern shore
of Kleifarvatn, on wet sand, 135 m, fr. 17. VII. 37; Helgafell 250 m, fr. 21.
VII. 37; Vífilsfell, in the pass to the south from the top, 560 m, fl. 7. VIII.
37; Húsmúli, in a ravine of a stream, 310 m.
117. Sagina nodosa (L.) Fenzl (1833) 18.
1—130 m.
In open communities, frequent.
Krísuvíkurdalur 135 m; Vogshús 2 m; Vatnavellir 180 m; Hvaleyri 1 m;
Cape Reykjanes 50 m; Háaleiti 35 m; Hlíðarvatn 3 m; Fóelluvötn 180 m;
Leirdalur 180 m; Logberg 145 m; Sveifluháls 220 m; (Húsmúli 310 m).
118. Sagina procumbens L., Sp. pl. (1753) 128.
3—310 m.
Frequent.
Gunna (Ostenfeld), Krísuvíkurdalur 135 m; Hafnarfjörður (Solander);
Krísuvík (Steenstrup), Súlur 140 m; Valahnúkur 145 m; Hlíðarvatn 3 m;
Fóelluvötn 180 m; Logberg 145 m; Sveifluháls 220 m; (Húsmúli 310 m).
119. Stellaria media (L.) Cyr. (1784) 36.
1—255 m-
On home-fields (“tún”), in caves, where sheep shelter during rainy days,
along roads, on the sea-shore. Endozoochore. Growing from sheep- or
horse-dung. One capsule contains usually (4)—7—8—(12) seeds.
í