The Botany of Iceland - 01.12.1942, Page 114

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JOHS. GRONTVED
Iceland. Most likely it will prove to be rather common, at least in the outer tracts,
when a more thorough investigation has been carried out.
Life-form : H.
On rocks, gravelly ground, in fell-field, lava-fields, urðs; in caves under rocks,
ravines, copses, etc.
Max. height: 30 cm ; average : 11 cm.
Geogr. area: N. Am.: Newfoundland to Manitoba and Keewatin, southward to
Georgia and Missouri.—Eur. : Fær.; E.S.I.; throughout Europe.—Asia: Tibet,
China, Japan.—Africa: S. Africa, Azores, Canary Isl.
29. Polystichum Lonchitis (L.) Roth, Röm. Mag. 2:1 (1799) p. 106.
Babington, 1871, p. 348.—Asþidium Lonchitis Sw., Gronlund, Isl. Fl., 1881,
p. 141.—Stefánsson, Fl. ísl., ed. 1, 1901, p. 5.—Dryoþteris Lonchitis L., Ibid.,
ed. 2, 1924, p. 5.—A. Lonchitis (L.) Sw., C.H.O., Fl. arct., 1902, p. 6.—
P. Lonchitis (L.) Roth, O. & Gr., 1934, p. 8.
Flora Dan. tab. 497.
Icelandic: Uxatunga, Skjaldburkni. Danish: Krumfinnet Skjoldbregne. English:
Holly Fern.
This species has a very constant habitus in Iceland, as is also the case in other
regions.
In most parts of Iceland ; in S. Icel. it has as yet only been found in one place:
Kapelluhraun near Krísuvík (Gronlund, loc. cit.).
Life-form: H.
On rock-ledges, in crevices and fissures in rocks, on stony and gravelly slopes, in
copses.
Max. height: 43 cm ; average : 23 cm.
Geogr. area: N. Am.: Alaska to Newfoundland, southward to Colorado, Montana,
Michigan, Ontario.—Greenl.: W. 60°—69°44'. E. 60°—68°33'.—Eur.: Fær.; E.S.I.;
mountains of Europe.—Asia: Asia Minor, Turkestan, N.W. Himlaya. Kamchatka.
30. IVoodsia glabella R.Br. apud Richardson, Narr. Bot. (1823) p. 754.
Ingimar Óskarsson, 1937, p. 40.
Flora Dan. tab. 2921, fig. 1.
This species was found by I.Ó. in 1936 in a few places in S., in the eastern-
most part of D. 8 : Stúfur at Hoffell, and at Horn. I myself have not seen the speci-
mens, but Ingimar Óskarsson states (in. lit.) : “quite destitute of hairs”.
It was found growing on moist rocks, especially in small crevices in vertical rocks ;
usually very sparingly.
Life-form : H.
On moist rock, etc. (see above).
Geogr. area: N. Am.: Labrador to Alaska; Baffin Land, Ellesmere Land, southward
to the Great Bear Lake,—Greenl.: W. 61°30°; 66°45'—79°. E. 61°32'—77°;
82°.—Eur.: Northern Scandinavia, Spitsbergen, Russ. Lapland ; Alps, Caucasus.—
Asia : Siberia.