ARKIV FÖR BOTANIK. BAND 14. N:0 9. 



INDEX. 



{Synonymes are printed in italics.) 



Plate 

 Achnanthes arctica (Cl.) 2 



— brevipes Ag 



— brevipes Ac var. angustata Grev.? 2 



— brevipes Ag. v. f. elliptica östr 



— brevipes Ag. v. intermedia KtJTZ 2 



— brevipes Ag. v. parvula Kütz • . . 



— brevipes Ag. v. typica Cl 



— delicatula Kütz 



— exilis Kütz " . . 



— groenlandica Cl 



— lanceolata Bréb. v. capitata O. M 



— lanceolata Bréb. v. crassa n. var 4 



— latissima n. sp 4 



— pennata Cl 



— polaris Ostr 



— rhyncocephala n. sp 4 



— septata n. sp 2 



— septentrionalis 0str. v. subcapitata 0STR 



— suhsessilis Kütz 



— sp 4 



Actinoptychus undulatus (Bail.) 



Amphiprora aboensis n. sp 1 



Amphora angusta Greg 



— angusta v. typica Cl 



— arenicola Grun. v. major Cl 



— coffasiformis Ag. v. borealis Kütz 



— crassa Greg 



— elongata Greg 



— exigua Greg 



— gigantea Grun. f. minor 



— • impressa n. sp 2 



— Lindbergii n. sp 2 



— marina (W. Sm.) 2 



— marina (W. Sm.) v. minima n. var 4 



— mexicana A. S- v. major Cl 2 



