522 
As may be seen from this short description, the plants in 
question agree well in their main points with Kjellman’s from Fin- 
mark, so that the same species of Derbesia has now been found 
along the coasts of Finmark (Norway), the Shetland Islands, and 
the Faeroes. 
Lyngbye’s specimen, as mentioned above, and as may be seen 
in his figure, bears fruit. The month in which it was gathered by 
Lyngbye is not known, but very probably it was August, in which 
month I found my plant with almost ripe sporangium. 
Along the coasts of the Faeroes this species has hitherto been found 
in the following places: — Str.: Kvivig (Lyngbj^e 1 ), Hvidenaes (!). 
Order VAUCHERIACEAE. 
VAUCHERIA D. C. 
201. V. coronata Nordst. Botan. Notiser 1879, p. 177, tab. I, 
figs. 1—9. 
Found sometimes in sheltered places in Sundelaget, where it 
occurred on low, muddy slopes close to the sea, in large, green 
cushion-like patches associated with Percnrsarict percursa and other 
algae; and sometimes on fairly open coast, e. g. near Gliversnees, where 
it formed similar low, green, cushion-like growths in rock-crevices 
filled with mud, at a considerable height above sea-level, so that it 
could only be reached by the spray. Specimens rich in reproduc¬ 
tive organs were found in June. 
It has hitherto been found only on Str.: north of Kvalvig at the 
narrow tide-way (!), Gliversnaes (!). 
It is possible that some of the Vaucheria-species mentioned in my 
Freshwater Algae (p. 256) may occur in places with brackish water. 
Order VALONIACEAE. 
VALONIA Ginn. 
202. V. ovalis (Lyngb.) Ag. Spec. Alg., I, p. 431; Gastridium 
ovale Lyngb., Hydropliyt., p. 72; Halicystis ovalis Aresch. Phyc. 
scand., p. 22. 
This species has hitherto been found by Lyngbye only, who 
writes in Hydropliyt. (1. c.) with reference to its habitats:— »Habitat 
1 When Lyngbye writes: »ut ad Quivig«, then this seems to indicate that 
lie found it in several places. 
