The Botany of Iceland - 01.12.1949, Page 22

20
EMIL HADAC
23. Polystichum Lonchitis (L.) Roth (1799) 106.
330 m.
Very rare.
Kapelluhraun (Mörch); Rjúpnadalshnúkar, SW slope, 330 m.
24. Woodsia ilvensis (L.) R. Br. (1815) 173.
ssp. rufidula A. & G.
20—110 m.
Rare, in lava fissures and on rocks.
Hafnarfjörður (Solander), Kapelluhraun, 20 m; Herdísarvíkurfjall (110 m):
ssp. alpina A. & G.
Rare.
Eldvarpahraun (leg. Thoroddsen, det. Gröntved); Kapelluhraun (S. O. F.
Omang, Herb. Oslo).
Gymnospermae.
Cupressaceae.
2 3. Juniperus nana Willd.
4j—198 m.
In the lowland fairly common, in the Grimmia heath ctc.
Hafnarfjörður (Solander), Kúadalur (Grönlund), lavafield at Vífilsfell (Axel
Kaaber), Reykjanes-víti (Einar Kristjánsson), Pordarfell (Ostenf.) Seltjörn,
8 m; Látsfjall, fr., 85 m; Máfahlíðar, 198 m; Herdísarvík, 150 m; Sveifluháls,
fl. 1. VII., 100 m; Almenningur, 105 m; near Lambafall, 107 m; Snúkafell,
125 m; Sandfellsheiði, 71 m; Geitahlíð 90 m; Súlur, 45 m; spring of Kaldá,
88—120 m; Kleifarvatn, 150 m, fl. 6. VII. 37; Djúpavatn, 190 m.
Angiospermae.
Monocotyledoneae.
Sparganiaceae.
26. Sparganium hyperhoreum Laest. apud Beurl. (1851) 192.
135 m.
Rare. In a pool at Grænavatn in Krísuvíkurdalur, 135 m. fl. 12. VII. 37.
Potamogetonaceae.
27. Potamogeton alpinus Balbis (1804) 13.
135—178 m.
In shallow water, rare.
Kleifarvatn, 135 m, fl. 15. VII, 37; Fóelluvötn, 178 m.