The Botany of Iceland - 01.12.1949, Qupperneq 23

THE FLORA OF REYKJANES PENINSULA
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28. Potamogeton filiformis Pers. (1805) 152.
135 m.
Rare.
Hafnarfjörður (Solander), Grindavík (Ingólfur Davíðsson); Kleifarvatn, 135 m.
29. Potamogeton gramineus L. Sp. pl. (1753) 127.
Rare.
Hafnarfjörður (Guðm. Magnússon); Hafnir (Thoroddsen); Snorrastaðatjörn,
8 m.
30. Zannichellia palustris L. Sp. pl. (1753) 969.
135 m.
Very rare. Geststaðavatn in Krísuvíkurdalur, in the depth of 1 m.
31. Zostera marina L. Sp. pl. (1753) 968 v. stenophylla A. & Gr.
Very rare. Hafnarfjörður (Solander).
Scheuchzeriaceae.
32. Triglochin palustre L. Sp. pl. (1753) 338.
3—130 tn.
In bogs, frequent. Fl. from the latter half of June till the end of July.
Hafnarfjörður (Solandcr); Seltjörn, 7 m; Krísuvík 135 m; fl. 15. VII. 37;
Hlíðarvatn 3 m; Vatnavellir 178 m; fl. 28. 7. 37; Sveifluháls 240 m; Vigdísar-
háls 205 m; Krokamýri 200 m; Húsmúli 310 m; Cape Reykjanes.
Gramineae.
33. Agropyron repens (L.) Pal. Beauv. (1812) 146 s. 1.
5 m.
Very rare. Járngerðarstaðir (Bjarni Sæmundsson), Porlákshöfn 5 m
34. Agrostis canina L. Sp. pl. (1753) 63.
1—460 m.
Scattered.
Hafnarfjörður (Grönlund), Grindavík (Ingólfur Davíðsson), Kaldársel 90 m;
Selfjallskáli 126 m; Sveifluháls 120 m; at Kleifarvatn 140 m; Mykludalur
140 m; Geitafjall 200—460 m; Búrfell 143 m; Kaplatóur 155 m.
35. Agrostis stolonifera L. Sp. pl. (1753) 62.
1—400 m.
On wet soil frequent. Hafnarfjörður (Grönlund).
Ósar, Merkines 10 m; Cape Reykjanes 5 m; Háaleiti 35 m; Sandfellsheiði
75 m; Grindavík 70 m; Porbjörn 45 m; Súlur 45 m; Hvaleyarvatn 45 m;
Stapafell jo m; Svartsengi 79 m; Skúlatún 155 m; Krokamýri 210 m; Langa-