The Botany of Iceland - 01.12.1928, Side 18

342
JOHS. BOYE PETERSEN
307. Ground in sheep fold near Geitabergsvatn 7/s.
(Prasiola crispa, Vaucheria hamata, Diatomella Balfouriana, Hantz-
schia ainphioxys v. genuina, H. a. v. xerophila, Navicula Atomus, Nitzchia
communis v. abbreviata, Pinnularia appendiculata v. irrorata, P. borealis,
P. molaris, P. suhcapitata).
309 a. Among stones in fence; Grund in Skorradal 8/s.
(Merismopedia minima, Phormidium autumnale, Prasiola crispa,
Hantzschia amphioxys v. xerophila, Navicula Atomus, N. nitrophila, Pin-
nularia borealis, P. intermedia, P. molaris).
315. Boiling spring near Kleppjárnsreykir; water temp. 32° 8/8.
Thick crusts, reached by the spray from the spring.
(Phormidium Treleasei).
316. Boiling spring near Kleppjárnsreykir; semi-dry crusts 8/s.
(Stigonema panniforme).
317. Boiling spring near Kleppjárnsreykir 8/s.
(Phormidium Treleasei).
318. Semi-dry crusts at the same boiling spring 8/s.
(Stigonema panniforme).
321. Damp ground beside the outlet from »Skrifla«; Reykholt 9/s.
Among Hepaticæ numerous Diatoms.
(Caloneis fasciata, Diatomella Balfouriana, Eunotia gracilis, E. præ-
rupta f. curta, Fragilaria virescens, Hantzschia amphioxys v. xerophila,
Melosira crenulata, Navicula Atomus, N. cincta v. Heufleri, Nitzschia am-
phibia, Pinnularia appendiculala v. irrorata, P. borealis, P. intermedia,
P. molaris, Rhopalodia gibberula).
322. On mosses above branch to »Snorralaug« from »Skrifla«; aht.
5 cm above tlie surface of the water; temp. of the water 42° C. Reyk-
holt 9/a.
(Schizothrix Múlleri).
325. On turf in wall of house; Reykholt 9/s.
(Prasiola crispa, Anomoeoneis brachysira, Cymbella gracilis, Dia-
tomella Balfouriana, Diploneis ovalis, Eunotia prærupta f. curta, Fragi-
laria virescens, Melosira crenulata, Navicula mutica f. Cohnii, N. nitrophila,
Nitzschia communis, Pinnularia borealis, P. gracillima, P. lata, P. parva
v. minuta, Rhopalodia gibberula). No frustules containing cell contents
are seen in this sample.
326. Small fence pole near Reykholt 9/s.
(Clilorella rugosa).
327. On ground near old house at Reykholt (*Hlað«) 9/s.
(Eunotia prærupta f. curta, Fragilaria lævissima, F'. virescens, Gom-
phonema parvulum v. exilissima, Hantzschia amphioxgs v.xerophila, Navi-
cula Atomus, N. nitrophila, Nitzschia Kiitzingiana, Pinnularia borealis,
P. parva v. minuta).
328. Sturlureykir on Sphagnum just above spring with water at
97° C. ®/s.