The Botany of Iceland - 01.12.1942, Side 25

THE TARAXACUM-FLORA OF ICELAND
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b. Fruits small, red, violet-red, fulvous or brown (sometimes with a violet tinge).
c. Fruits red or violet-red. Plants slender. Erythrosperma Dahlst. p. 252.
cc. Fruits fulvous or brown (sometimes with a violet tinge). Plants medium-sized
—sturdy' Fulva M.P.Chr. p. 253.
bb. Fruits large, straw-coloured. Plants often robust. Ceratoþhora Dahlst. p. 254.
aa. Bracts without, rarely with a slight appendage below the tip.
b. Fruits large with a pyramid 4—6 mm long, rostrum 1)4—3 times the length of
the fruit.
c. Plants often slender. Leaves thin, often long and narrow, pale green, light-
green or dark-green, more rarely bluish-green, smooth—-slightly hairy. Outer
bracts appressed— + spreading. Fruits straw-coloured—light yellow-brown,
more rarely dull brownish-red. Rostrum 2—2)4 times the length of the fruit.
Crocea M.P.Chr. p. 255.
cc. Plants robust. Leaves thick and firm, often broad.
d. Outer bracts often short, appressed— + erecto-patent. Heads medium-sized—
large, as a rule dense, bright-yellow—dark-yellow, sometimes almost orange-
yellow, often without pollen. Marginal ligulae often broad with light rose—
lively rose-purple or dark purple stripe. Fruits large, straw-coloured—light
brownish. Rostrum 1)4—2 times the length of the fruit.
Eu-Spectabilia M.P.Chr. p. 292.
dd. Outer bracts + long, spreading, or strongly spreading—somewhat reflexed.
Marginal ligulae with grey—greyish-purple stripe.
e. Leaves + strongly cobweb-hairy, often strongly purple-spotted. Fruits light
brown, sometimes with a reddish tinge, more rarely reddish, and leaves then
almost smooth. Naevosa M.P.Chr. p. 303.
ee. Leaves smooth—slightly hairy. Fruits straw-coloured—brown or dark brown
(more rarely reddish).
f. Fruits straw-coloured—light brownish, sometimes reddish, at the summit
with coarse, often stubby teeth, on inner-fruits often only one large tooth
on each side. Pyramid often long, + cylindrical.
Macrodonta M.P.Chr. p. 318.
ff. Fruits grey, greyish-brown—brown with a reddish tinge, + spindle-shaped,
at the summit remotely small-toothed— + strongly toothed and long-
toothed. Pyramid conic—cylindrical. Subvulgaria M.P.Chr. p. 331.
bb. Fruits smaller, with a pyramid 2)4—4)4 mm long. Rostrum 2)4—4 times the
length of the fruit. Vulgaria Dahlst. p. 337.
Abbreviations etc.
E. = East Iceland W. = West Iceland
N. = North Iceland S.W. = Southwest Iceland
N.W. = Northwest Iceland S. = South Iceland
! after a locality means that the species is only noted, not collected.
fr. after a locality means that the fruit is pictured.
phot. after a locality means that thc plant is photographed.
In the descriptions of the species a figure, e.g. (112—113) refers to the colour
tables in Klincksieck et Valette: Code des Couleurs.
Type specimens of the new species are to be found in the Botanical Museum in
Copenhagen.