vi'k ^' 



THE AERIAL ALGÆ OF ICELAND 341 



282. On ground near nianurc hea]) outside Reykjavik Vs. 

 (Prasiola crispa, Caloneis fasciata v. inconstantissima, Hantzschia 



amphioxys v. xerophila, Xauiciila Atonuis, N. nitrophila, Pinnularia bo- 

 rcalis). 



283. Rock bv the shore near the new steamboat wharf at Revkja- 



(Prasiola crispa). 



286. Paling at Reykjavik ^'s. 



(Apatococcus lobatus, Chlorella ellipsoidea, Pleurococcus vulgaris). 



287. At the base of fence pole at M6t>ruvellir in Kjos Vs. 

 (Botrydiopsis arhiza, Prasiola sp., Stichococcus bacillaris). 



292. On barn door; Moc^rii vellir (Kjos) ^/s. 



(Dcsmococcus vulgaris, Pleurococcus vulgaris, Trochiscia hirla). 



294. On turf in wall of house in a place where the watcr runs 

 down in rainy weather; Moåruvellir (Kjos) ^/s. 



(Hormidium flaccidum, Diatomella' Balfouriana, Diploneis ovalis, 

 Epithemia Zebra, Eunotia prærupta, Pinnularia lata, Nitzschia amphibia 

 (the most of the Diatoms were dead frustules)). 



295. On ground in front of the house („Hla6"); MoSruvellir (Kjos) Vs. 

 (Phormidium autumnale, Prasiola crispa, Anomoeoneis brachysira, 



Cj'mbella æqualis, C. gracilis, Diatomella Balfouriana, Diploneis ovalis v. 

 oblongella, Eunotia lunaris, E. prærupta f. curta, E. sudetica, Fragilaria 

 vircscens, Ciomphonema angustatum, G. parvulum v. exilissima, Hantzschia 

 amphioxys v. genuina, H. a. v. xerophila, Melosira crenulata, Navicula 

 Atomus, N. mutica f. Cohnii, A''. nitrophila, N. Rotæana, Pinnularia bo- 

 realis, P. intermedia, P. interrupta f. minor, P. molaris f. curta, Rhopa- 

 lodia gibbcrula). 



West Iceland. 



297. On ground in potato field just in front of house; Geitaberg ^/s. 

 (Phormidium subcapitatum, Prasiola crispa, Diatomella Balfouriana, 



Gomphonema angustatum v. productum, Xauiciila Alomiis, N. nitrophila, 

 N. Rotæana, Pinnularia parva v. minuta, Rhopalodia gibberula). 



298. On ground near house („Hla6"); Geitaberg ^/s. 

 (Phormidium sp., Prasiola crispa, Anomoeoneis brachysira, Hantzschia 



amphioxys v. xerophila, Navicula nitrophila, N. Rotæana, Pinnularia bo- 

 realis, P. viridis v. commutata). 



302. Desiccated algæ in a spot where there had been a pool in 

 the spring; near Geitaberg ''/s. 



(Zj^gogonium ericetorum, Achnanthes coarctata, A. marginulata, A. mi- 

 crocephala. Caloneis Silicula v. minuta, Cocconeis minuta, Cymbella 

 æqualis, C. gracilis, C. lapponica, C. naviculiformis, Gomphonema par- 

 vulum, G. subclavatum, Meridion circulare, Navicula cocconeiformis, Pin- 

 nularia divergentissima formå, P. gracillima, P. intermedia, P. viridis v. 

 commutata, Rhopalodia ventricosa, Stauroneis anceps, Surirella minuta, 

 Tabellaria flocculosa). 



The Botany of Iceland. Vol. II. 23 



