The Botany of Iceland - 01.12.1942, Side 154
152
JOHS. GRONTVED
by Steindórsson at Fagurhólsmýri below the southernmost part of Vatnajökull, where
it was growing in luxuriant specimens up to 60 cm high, and with ripe fruits (12.
VIII).
A new locality, at Tröllafoss east of Kollafjörður, S.W., is also outside the
Reykjavík area (leg. Jón Nordman, according to Hadac’s manuscript). See fig. 50.—
It fruits very well in Iceland.
Life-form: H.
In Calluna-heath, Calluna-Grimmia-heath, lava-fields, meadows.
Flor. V—VII; fr. mat. VII—IX.
Max. height: 60 cm; average: 37 cm.
Geogr. area: Eur. : E.S.I. ; throughout Europe, outside the arctic regions. Scandinavia,
the Alps, etc.
85. Sieglingia decumbens (L.) Bernh., System. Verzeichn. Erf. (1800)
p. 20 and 44.
O. & Gr., 1934, p. 23.
Flora Dan. tab. 162 (Festuca decumbens L.).
Danish : Tandbælg. English : Heath-grass.
This species has only been found once, in Herjólfsdalur on the Vestmanna Is-
lands, 1933, by Dr. B. G. Johnsen. See fig. 50. There it was growing on dry grassy
and peaty soil far from cultivated areas. The specimens collected measured about
8 cm and had thc panicles just out of the sheaths.
Lifc-form: H.
Geogr. area : Eur.: E.S.I.; Scandinavia; throughout Eur., except in the northern-
most parts. In S. Eur. only in the mts.—Asia Minor.—Africa: Algeria, Madeira.
86. Trisetum spicatum (L.) Richter, Plant. Eur. I (1890) p. 59.
Aira spicata, K. & M., 1770, p. 204.—Trisetum subspicatum Beauv., Babington,
1871, p. 343.—Gronlund, Isl. Fl., 1881, p. 126.—Stefánsson, Fl. Isl., ed. 1,
1901, p. 58.—T. spicatum (L.) Richt., Ibid., ed. 2, 1924, p. 66.—T. subspicatum
(L.) Beauv., C.H.O., Fl. arct., 1902, p. 110.—T. spicatum (L.) Richt., O. &
Gr., 1934, p. 22.
Flora Dan. tab. 228.
Icelandic: Lógresi. Danish : Aks-Guldhavre. English : False Oats.
Common, in the lowland as well as thc central highland.
Lifc-form: H.
On dry grassy ground, in fell-field, Cal/una-heaths, in screes, meadows, Salix-scrub,
snow-patches.
Flor. VI—VII; fr. mat. (VIII).
Max. height: 42 cm; average: 21 cm.
Gcogr. area: Am. : Mts. of North Am. S.Am.: Tierra dcl Fuego.—Greenl.: Circum-
greenlandic.—Eur.: Mts. of northern Europe; Spitsbergen, Novaya Zemlya, Jan
Mayen. Pyrenecs, Alps.—Asia : Along thc arctic coasts. Altai, Ural, Pamir, Japan.—
Australia: Tasmania.