78 ARKIV FÖR BOTANIK. BAND 14. N:0 9. 



Plate 

 Navifiula ammophila Grun. v. Oestrupii n. var 4 



— angulosa Greg 1 



— bahusiensis Grun 4 



— honiboides v. media Grun 



— cancellata Donk. f . minuta Grun 



— cancellata Donk. v. retusa Bréb 1 



— cancellata Donk. v. subapiculata Grun 1 



— cincta Ehb 



— consimilis A. S. 



— Crucicula W. Sm. v. minor n. var 1 



— decurrens A. S 



— dicephala W. Sm. v. elginensis Greg 



— digito-radiata Greg 



— digito-radiata Greg. v. Cyprinus (Ehb.) W. Sm. . . . 



— directa W. Sm. v. cuneata 0STR 



— directa W. Sm. v. genuina Cl 



— directa W. Sm. v. subtilis Greg 



— distans (W. Sm.) 



— divergens W. Sm. v. undulata Hkrib. & Peräg 



— Entomon Donk 



— forcipata Grev 



— gelida Grun 



— gibbula Cl. v. elliptica n. var 



— glacial is Cl 



— glacialis Cl. v. septentrionalis Cl 



— Grevillei Ag. v. apiculata Ag 



— halophila Grun. v. subcapitata 0str • . . 



^ hemiptera Kütz. v. Bielawaki Hérib. & Peräg 



— Hennedyi W. Sm. v. luxuösa n. var i 



— humerosa Bréb. v. densestriata n. var 



— kariana Grun, v. frigida Grun 



— kefvingenais Ehb 



— Klavsenii östr. v. turgida n. var 1 



— latissima Greg. v. grandis n. var 1 



— Libellus Greg 



— Lyra Ehb. ß abrupta Greg 



— Lyra Ehb. v. arctica 0STR 



— - minuscula v. bahusiensis V. H 



— Pediculus Cl 



— pelliculosa (Bréb.) Hilse 



— peregrina Ehb. v. kefvingensis Ehb 



— Pinnularia Cl 



— (Libellus) plicata Donk 



— - problematica n. sp -i 



— pygmaea Kltz 



— pygmaea KCtz. v. linearis n. var 



— (Libellus) rhombica Greg 



— rhombica Donk 



