The Botany of Iceland - 01.12.1928, Qupperneq 8

332
JOHS. BOYE PETERSEN
61. Earth by the roadside near Hallormstaðir 28/6.
(Keratococcus bicaudatus, Caloneis fasciata, Hantzschia amphioxys,
Pinnularia appendiculata v. irrorata, P. borealis, P. parva v. minuta).
66 a. Betula odorata. The wood at Hallormstaðir 28/6.
(No algæ).
68. Cleft in rock in the wood at Hallormstaðir 28/6.
(Leptogium sp., Caloneis fasciata v. lenticularis, Eunotia prærupta,
Hantzschia amphioxys v. genuina, H. a. v. xerophila, Melosira Roeseana,
Navicula contenta, N. mutica f. Colinii, N. perpusilla, N. p. v. Flotowii,
Pinnularia borealis, P. intermedia, P. lata v.Rabenhorstii, P.parva v. minuta).
69. Moss with algæ from cleft in rock in the wood at Hallorm-
staðir 28/6.
(Schizothrix lardacea, Navicula contenta, N. mutica f. Cohnii, N. per-
pusilla, N. p. v. Flotowii, Pinnularia borealis, P. intermedia, P. lata v.
Rabenhorstii, P. parva v. minuta).
70. Cleft in rock in the wood at Hallormstaðir; trickling water 29/6.
(Mesotaenium sp., Cosmarium sp., Schizothrix lardacea, Tolypothrix
tenuis f. terrestris, Achnanthes coarctata, Diatomella Balfouriana, Eunotia
prœrupta /'. curta, Navicuta contenta, N. perpusilla, Pinnularia borealis,
P. lata v. Rabenhorstii).
77. On sod in the wall of the house, Hallormstaðir 29/6.
(Prasiola crispa, Cymbella incerta v. naviculacea, Diatomella Bal-
fouriana, Diploneis ovalis, D. o. v. oblongella, Eunotia prærupta v. bidens,
Gomphonema angustatum v. productum, Hantzschia amphioxys v. xero-
phila, Melosira crenulata, Navicula mutica f. Cohnii, N. m. f. minima,
Nitzschia amphibia, Pinnularia borealis, P. gracillima, P. intermedia,
Rhopalodia gibberula).
78. On the ground in front of the dwelling house („hlað”), Hallorm-
staðir 29/6.
(Prasiola crispa, Caloneis fasciata, Diatomella Balfouriana, Diploneis
ovalis, Gomplionema angustatum v. productum, Hantzschia amphioxys
v. xerophila, Meridion circulare, Navicula cincta v. Heufleri, N. mutica
f. Cohnii, N. m. f. minima, N. perpusilla, Nitzschia amphibia, Pinnularia
appendiculata v. irrorata, P. borealis, P. gracillima, P. parva v. minuta,
Rhopalodia ventricosa).
79. On a beam near the ground; Hrafnkelstaðir 29/6.
(Myrmecia pyriformis).
83. Rocky wall facing south-east, with trickling water; a place where
there is always plenty of water. Fljótsdalur 3%.
(Scytonema Myochrous).
84. Same rocky wall, a drier spot, among mosses.
(Nostoc commune, Anabaena catenula, A. oscillarioides v. tenuis,
Chroococcus Westii, Tribonema bombycinum, Caloneis fasciata, Diato-
mella Balfouriana, Fragilaria mutabilis, Navicula contenta, N. perpusilla,