The Botany of Iceland - 01.12.1942, Síða 171

THE PTERIDOPHYTA AND SPERMATOPHYTA OF ICELAND
169
p. 118.—Stefánsson, Fl. Isl., ed. 1, 1901, p. 40.—Ibid., ed. 2, 1924, p. 46.—
C.H.O., Fl. arct., 1902, p. 68,—O. & Gr., 1934, p. 39.
Flora Dan. tab. 646.
Icelandic: Flóastör. Danish : Dynd-Star. English: Bog Sedge.
Common in N., N.W. and in the south-western parts; otherwise rather rare;
not recorded from the central parts. See fig. 60.
Life-form: G. (Rhizome Geophyte).
In swamps and bogs.
Flor. VI; fr. mat. VII—VIII.
Max. height: 35 cm ; average : 19 cm.
Geogr. area: Am. : From Newfoundland to Alaska; southward to Oregon, Montana,
Iowa, and New Jersey.—Eur.: E.S.I.; from northernmost Scandinavia southward
to the northern Mediterranean.—Asia: From 70° N. lat. southward to northern
Mongolia; Manchuria, Korea, Honshu, Kamchatka.
Carex limosa X C. rariflora.
Specimens of intermediate character between C. limosa and C. rariflora occur
in two places: Borg, S.W. (H.J., 1905) and Álftanes, S.W. (H.J., 1905); in H.H.
See fig. 60.
113. Carex Lyngbyei Hornemann, Plantelære, ed. 3, II (1837) p. 276.
Drejer, Revisio, 1841, p. 467.—C. filipendula Drej., Ibid., p. 464.—C. capil-
lipes Drej., Ibid., p. 468.—C. cryptocarpa C. A. Mey., Babington, 1848, p.
119; Idem, 1871, p. 338.—Gronlund, Isl. Fl., 1881, p. 115.—C. filipendula
Drej., Rostrup, 1887, p. 184.—C. cryptocarpa C.A.Mey., Stefánsson, Fl. ísl.,
ed. 1, 1901, p. 42.—C. Lyngbyei Hornem., Ibid., ed. 2, 1924, p. 49.—C.H.O.,
Fl. arct., 1902, p. 75.—O. & Gr., 1934, p. 37.
Flora Dan. tab. 1888; tab. 2371 (C. filipendula a. variegata Drej.) ; tab. 2372
(C. filipendula y. concolor Drej.), tab. 2844 (C. capillipes Drej.).
Icelandic: Gulstör, Bleikja. Danish: Hængende Star.
It is an exceedingly variable species, and has been described under various names
by the various authors, see above. No other species of Carex will in Iceland attain
the height of C. Lyngbyei. Helgi Jónsson (1905, p. 65) has seen specimens measuring
more than 125 cm.—In the small lake “Tjörnin” in Reykjavík a very luxuriant
growth of it may be seen.—Economically it is of very high value, giving an excellent
kind of hay in the artificially irrigated meadows.
Common in all parts, often growing densely and forming a broad zone some
distance out from the shores of smaller lakes, often in company with C. inflata
which later forms a zone along the shore, inside C. Lyngbyei.
Also occurs in the central highland.
Life-form : HH (Helophyte).
In wet bogs, in lakes, ditches, both on mud and on sandy or clayey bottom ; in
moist meadows.
Flor. VI—VII; fr. mat. VII—VIII.
Max. height: 125 cm ; average : 40 cm.
Geogr. area: Gulf of St. Lawrence. Alaska. Coasts of Pacific N. Am. down to
Vancouver.—Greenl.: W. 60°—61°.—Eur.: Fær. ; (Norway, about 62° N. lat. ?).—
Asia. N. coast of Asia, Kamchatka, Japan.