The Botany of Iceland - 01.12.1942, Síða 142
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JOHS. GRONTVED
Life-form: HH (Helophyte).
On wet soil; in smaller lakes, ditches, ponds.
Flor. VII—VIII; fr. mat. (?).
Max. height: 92 cm ; average : 60 cm.
Geogr. area: Am.: North and South Am.—Eur. : Fær.; E.S.I.; nearly all Europe
except in the Arctic, and on the Mediterranean islands. Caucasus.—Asia: Siberia,
temperate regions ; Japan.—Africa : Morocco.—Austr.: Tasmania.
Glyceria maxima (Hartm.) Holmbg.
G. aquatica Wg., Preyer & Zirkel, 1862, p. 359.—Poa aquatica L., Baring-Gould,
1863, p. 437.
No specimens of this species are in evidence; it should be excluded from the
flora.
68. Hierochloé odorata (L.) Wg., Fl. Ups. (1830) p. 32.
Holcus odoratus, K. & M., 1770, p. 211.—Mohr, 1786, p. 221.—H. borealis
R. & Sch., Babington, 1871, p. 341.—Gronlund, Isl. Fl., 1881, p. 126.—
H. odorata (L.) Wg., Stefánsson, Fl. Isl., ed. 1, 1901, p. 60.—Ibid., ed. 2,
1924, p. 68.—C.H.O., Fl. arct., 1902, p. 98,—O. & Gr., 1934, p. 19.
Flora Dan. tab. 963.
Icelandic: Reyrgresi. Danish: Festgræs. English : Holy-grass.
Rather frequent in the lowland in all parts. In the central highland it is common
in the tracts at Hvítárvatn (J.Gr., 1934) ; also found at Arnarfell hið mikla (J.Gr.,
1934); Jökuldalur and Kýlingar (S.S., 1931).
Life-form: G. (Rhizome Geophyte).
On grass- and herb-slopes; amongst scrub; in open places in birch wood, in heaths
and meadows, etc.
Flor. VI—-VII; fr. mat. VII—VIII.
Max. height: 65 cm; average: 30 cm.
Geogr. area: Am. : Newfoundland to Alaska, southward to Colorado and Nebraska,
in the East to New Jersey.—Greenl.: W. 61°10'.—Eur.: S.; northern, central and
southeastern Europe; Caucasus.—Asia: Northern parts, Korea, Honshu.
69. Holcus lanatus Linn., Sp. pl. ed. I (1753) p. 1048.
Babington, 1871, p. 342.—Gronlund, Isl. Fl., 1881, p. 126.—Stefánsson, Fl. ísl.,
ed. 1, 1901, p. 52.—Ibid., ed. 2, 1924, p. 59,—O. & Gr., 1934, p. 21.
Flora Dan. tab. 1181.
Icelandic: Loðgresi. Danish: Flojlsgræs. English: Yorkshire Fog.
In the localities in S., south of Eyjafjallajökull, where this species occurs
abundantly, on luxuriant grassy slopes, it seems to be quite naturalized (cp. H.J.,
1905, p. 67). It is also found in a few other places (Reykjavík, S.W., Isafjörður,
N.W., and Akureyri, N.; but here it is very likely accidentally introduced or an
escape from culture. At Akureyri it has for some years grown in the same place in
a nursery-garden (I.Ó., 1932, p. 24). See fig. 45. First found in Iceland by
Symington, 1863, “a little below the Geysirs”, cp. Babington, loc. cit.
Life-form: H.
On grass- and herb-slopes.