The Botany of Iceland - 01.12.1942, Blaðsíða 302
300
JOHS. GRONTVED
298. Epilobium collinum Gmel., Fl. Bad. IV (1826) p. 265.
E. montanum L. and var. collinum Koch, Gronlund, Isl. Fl., 1881, p. 28.—
E. collinum Gmel., Stefánsson, Fl. Isl., ed. 1, 1901, p. 146.—Ibid., ed. 2,
1924, p. 165,—O. & Gr., 1934, p. 98.
Icon.: Hegi 111. Fl. Mitteleur. V, 2, p. 832, fig. 2216.
Icelandic: Klappadúnurt.
Seems to be common or frequent in all parts, except in the central highland,
whence it has been recorded in a few places only: Kríngilsárrani (S.S.), Hveravellir
(V.R., 1935).
Life-form: H.
On gravelly soil, rocks, sandy and stony ground, on dry grassy slopes.
Flor. VII—VIII; fr. mat. VII—VIII.
Max. height: 35 cm ; average : 12 cm.
Geogr. area : Greenland : (?).—Eur.: From northern Fennoscandinavia ; Estonia ;
southward throughout Russia. Baikan, Spain ; eastward to Ural mts.
Epilobium Fleischeri Hochst.
E. angustissimum, Hjaltalín, 1830, p. 173,—E. rosmarinifolium Haenke,. Lindsay,
1861, p. 29.—E. angustissimum Rchb., Preyer & Zirkel, 1862, p. 368.—E. Fleischeri
Hochst., Babington, 1871, p. 305.
This species is entered in some of the older lists. It should be excluded from the
Icelandic Flora.
299. Epilobium Hornemanni Rchb., Ic. Crit. II (1824) p. 73.
E. origanifolium Lam., Lindsay, 1861, p. 29.—E. alpinum L. var. major,
Gronlund, Isl. Fl., 1881, p. 29.—E. Hornemanni Rchb., Stefánsson, Fl. ísl.,
ed. 1, 1901, p. 146.—Ibid., ed. 2, 1924, p. 165.—O. & Gr., 1934, p. 99.
Reichenbach, Ic. crit. II, tab. 180, fig. 313.
Icelandic: Heiðadúnurt.
Rather common in all parts; from the central highland there are, however, only
a few records: Möðrudals- and Brúaröræfi, here and there (S.S.).
Life-form: H.
Amongst mosses along water-courses, in wet places.
Flor. VI—VII ; fr. mat. VII—VIII.
Max. height: 32 cm ; average: 15 cm.
Geogr. area: Am.: From Labrador to Yukon and the Aleutian Islands, southward
to New Hampshire, Colorado and California.—Greenl.: W. 60°—69°50'.—E. 60°
—66° 10'.—Eur. : From northernmost Scandinavia and the Kola Peninsula, south-
ward to central Scandin. and Finland ; northern Urals.—Asia : Between Jakutsk and
Okhotsk, Kamchatka.
Epilobium Hornemanni X E. lactiflorum.
Specimens of this presumed hybrid, collected in Hraun, N,- (Ó.D., 1902), are
kept in H.H. These plants are 12—15 cm high, in flower and with ripe capsules.