Fróðskaparrit - 01.01.2001, Blaðsíða 29

REYÐTARAR AV BÓLKINUM BANGIOPHYCIDAE í FØROYSKUM ØKI
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Blade with a separate unequal male gametangial
and zygotosporangial sector divided by a partial
line from the margin to part way into the frond, but
not reaching the holdfast. Male gametangial sori
yellowish-white; zygotosporangial sori red; mar-
ginal.
Herbarium specimens: purple-brown, light purple, ad-
hering well to paper.
Porphyra umbilicalis (L.) Kutz. (Fig. 3)
Reference: Bird and McLachlan (1992), Brodie and
Irvine (2002).
Stations: 1033, 1035, 1043, 1137, 1183, 1187, 1280,
1349, 1351, 1352, 1353, 1354, 1358, 1363, 1700,
1720, 1721, 1732, 1770, 1774, 1775, 1780, 1781,
1783, 1784, 1785, 1850, 1851, 1911, 1913.
Littoral.
Remarks: collected in April-October.
Morphology: blade one cell thick, appearing umbili-
cate (as with a naval), often with several to many
lobes from holdfast to give a rosette appearance.
Margins ruffled. Stipe inconspicuous. Male ga-
metangial and zygotosporangial sori marginal on
separate individuals. Male gametangial sori yel-
lowish-white; zygotosporangial sori red.
Herbarium specimens: light olive-green, pale brown,
reddish brown, not adhering well to paper.
Porphyra sp. 1 (Fig. 4)
Stations: 1279, 1280, 1289.
Remarks: coliected in September.
Littoral.
Morphology: blade one cell thick, ovate. Margins
slightly ruffled. Stipe inconspicous. In one speci-
men, male gametangial and zygotosporangial each
on a separate lobe of the thallus, and diviđeđ from
margin to holdfast. Other details of reproduction
are unknown. Male gametangial sori yellowish-
white. Zygotosporangial sori red.
Herbarium specimens: brown purple, adhering well to
paper.
Porphyra sp. 2 (Fig. 4)
Station: 1781.
Remarks: collected in August.
Littoral.
Morphology: blade one cell thick, ovate. Margins with
some ruffles. Stipe inconspicuous. Male gametan-
gial and zygotosporangial sori as in P. leucosticta,
but male gametangial patches larger and more
elongate.
Herbarium specimens: purple brown, adhering well to
paper.
Porphyra sp. 3 (Fig. 4)
Station: 1126.
Remarks: collected in June.
Littoral.
Morphology: blade one cell thick, ovate but dividing
into 2 lobes. Margins ruffled. Stipe inconspicuous.
Male gametangial sori as in P. leucosticta, but
patches very pale and tending to blend with the rest
of thallus.
Herbarium specimens: very pale brown (straw), adher-
ing well to paper.
Porphyra sp. 4 (Fig. 4)
Reference: Brodie and Irvine (2002), Kommann and
Sahling (1991, as P. insolita. Kornmann &
Sahling)
Stations: 1046, 1174, 1184, 1280, 1281, 1297, 1305,
1346, 1347, 1348, 1352, 1353, 1354, 1358, 1362,
1363, 1683, 1684, 1685, 1686, 1687, 1688, 1689,
1690, 1691, 1692, 1693, 1695, 1696, 1697, 1701,
1702, 1703, 1721, 1738, 1768, 1770, 1773, 1775,
1779, 1780, 1781, 1911, 1913.
Littoral to 1 m depth.
Remarks: collected in January and April-October.
Morphology: blade one cell thick, broadly ovate to um-
bilicate (as with a naval). Margins ruffled. Stipe in-
conspicuous. Male gametangial and zygotosporan-
gial sori in broad marginal band, appearing on sep-
arate or on the same individual. When on the same
individual, then separated by a line from the mar-
gin to the holdfast. Male gametangial sori pale yel-
low; zygotosporangial sori bright red.
Herbarium specimens: dark purple, adhering quite well
to paper.
Porphyropsis COCCÍnea (J.Agardh ex Aresch.)
Rosenv. (Fig. 3)
Porphyra coccinea J.Agardh ex Aresch.
Reference: Kommann and Sahling (1977).
Stations: 1003, 1008, 1009,1011, 1012,1013, 1026,
1027, 1032, 1036, 1037, 1038, 1111, 1114, 1117,
1118, 1229, 1366, 1373, 1381, 1382,1496, 1724,