The Botany of Iceland - 01.12.1942, Blaðsíða 383
THE PTERIDOPHYTA AND SPERMATOPHYTA OF ICELAND
381
N. Icel.: öxnafellshraun, amongst large boulders (Ó.D.), Skútustaðir, by the lake
Mývatn, in a crevice in the lava (Ó.D.), at waterfalls in Reistará, on rocks (Ó.D.),
E. Icel.: Seyðisfjörður and Dvergasteinn (H.J.).
454. Hieracium macropholidium Dahlstedt, in H. Jónsson, Floraen paa
Snæfellsnes, 1899, p. 203.
Dahlstr., Beitr., 1904, p. 35.—Stefánsson, Fl. Isl., ed. 2, 1924, p. 241.—O. &
Gr., 1934, p. 155.—Omang, Monogr., 1938, p. 39.
Icon.: Dahlst., Beitr., tab. VII, fig. 3 and tab. VIII, fig. 1.
N. Icel.: Skagafjörður: Gilkot at Mælifell (Th.S.), Árskógsströnd at Eyjafjörður
(I.D.), Möðruvellir (St.St.), Hof in Hörgárdalur (Gunnlaugur Indriðason), Hraun
in öxnadalur (Ó.D.), Akureyri (K.B.), Draflastaðafjall in Fnjóskadalur (I.Ó.),
Skriðuland (St.St.), Hestahraun in Þorvaldsdalur (Ó.D.), Skútustaðir at the lake
Mývatn (Ó.D.).
var. albinervum Omang, Monogr., 1938, p. 39.
N. Icel.: Árskógsströnd at Eyjafjörður (I.D.), Blikalón (S.S.).
455. Hieracium thaectolepium Dahlstedt, Beitráge, 1904, p. 37.
Stefánsson, Fl. ísl., ed. 2, 1924, p. 241.—O. & Gr., 1934, p. 156.—Omang,
Monogr., 1938, p. 40.
Icon.: Dahlst., Beitr., tab. IV, fig. 3.
N. Icel.: Bægisárdalur (St.St.).-—A form from Skriðuland (St.St.), mentioned by
Dahlstedt, loc. cit., certainly, according to Omang, loc. cit., belongs to H. macro-
pholidium Dahlst.
456. Hieracium semiprolixum Dahlstedt, Beitráge, 1904, p. 38.
Hieracium sylvaticum (L.) subsp. prope H. þrolixum Norrlin, in H. Jónsson,
1896, p. 354.—H. semiþrolixum Dahlst., Stefánsson, Fl. tsl., ed. 2, 1924,
p. 241.—O. & Gr., 1934, p. 155.—Omang, Monogr., 1938, p. 40.
Icon.: Dahlst., Beitrage, tab. VII, fig. 2.
In somewhat different forms found in many places in N.; also frequent in S.W.,
and occurring in N.W. and E.; found in one place in S.
457. Hieracium senex Dahlstedt, in H. Jónsson, Floraen paa Snæ-
fellsnes, 1899, p. 203.
H. murorum L. subsp. Sommerfeltii (Lindebg.) var., Strömfelt, Isl. kárl-
váxter, 1884, p. 106.—H. Jónsson, 1896, p. 357.—H. senex Dahlstedt,
Beitráge, 1904, p. 39.—Stefánsson, Fl. ísl., ed. 2, 1924, p. 240.—O. & Gr.,
1934, p. 156.—Omang, Monogr., 1938, p. 40.
Icon.: Dahlst., Beitráge, tab. VIII, fig. 2.
S.W. Icel.: Búðir (H.J.), Grundarfjörður (H.J.) ; according to Dahlstedt also in
Arnarbotn (H.J.), Bjarnarhöfn (H.J.), Hrappsey (H.J.) and Torfastaðahólmi
(Ó.D.). E. Icel.: Eskifjörður (H.S.).