The Botany of Iceland - 01.12.1942, Qupperneq 200
198
JOHS. GRONTVED
Life-form: G. (Rhizome Geophyte).
In heather-moors and heaths, in birch scrub, in moderately damp places; herb-
slopes.
Flor. VI—VII; fr. mat. VIII.
Max. height: 17 cm; average: 10 cm.
Geogr. area: Am.: Newfoundland to Alaska, southward to Pennsylvania, Wisconsin,
Colorado, Oregon.—Greenl.: W. 60°43'—69°33'.—Eur. : S. ; throughout most of
Europe, Alps, Pyrenees, Caucasus.—Asia: Yenisei, about 69° N. lat., southward to
N. Mongolia, Kamchatka.
Fig. 74. Corallorhiza trifida Chatel.
153. Habenaria hyperborea (L.) R.Br., in Aiton, Hort. Kew, ed. 2, V
(1813) p. 193.
Orchis hyþerborea, K. & M., 1770, p. 210.—Hornemann, Oecon. Pl. I. Del,
3. Opl., 1821, p. 889.—Platanthera Koenigi (Lindl.), Baring-Gould, 1863,
p. 434.—P. hyperborea Lindl., Babington, 1871, p. 330.—Gronlund, 1874,
p. 57.—P. hyperborea Lindl. var. minor Lge., Gronlund, Isl. Fl., 1881, p. 95.
—H. hyperborea (L.) R.Br., Stefánsson, Fl. Isl., ed. 1, 1901, p. 67.—Ibid.,
ed. 2, 1924, p. 76.—C.H.O., Fl. arct., 1902, p. 38,—O. & Gr., 1934, p. 48.
Flora Dan. tab. 333 (P. hyþerborea (L.) a. minor Lge.) ; tab. 2970 (/3.
major Lge.).
Icelandic : Friggjargras. Danish: Nordisk Fladknap. English : Northern Green Orchis.
Frequent to common except in the central parts, where it is found in a couple
of localities only.
Lange (Oversigt Kgl. Danskc Vid. Selsk. Forhdl. 1880 (Kbhvn. 1880—81),
p. 122 et scq.) sets up the Iceland plant as f. minor.—Hc admits, howevcr, that the
only difference he has been able to find betwcen the Greenlandic f. major and the
Icelandic spccimens is that the latter are of smaller dimensions.