156 I. NYLANDER 
Lemna minor IL. frequentiss. 
—  trisulea L; rarius a Viborg ad ÖOnegam. 
Fam. LX XVIII Potamogetonese Rcehnb. 
Potamogeton natans L. gat. freq. 
— rufescens' Schrad. freq. 
—  lucens L. Saltem in Kenjärwi Karelie Rossicae. 
— gråmineus L. freq. Var. heterophyllus pass: 
:— prelongus VVulf. pass. 
— perfoliatus L. freq. 
— compressus L. rar. Rautus, Kenjärwi. 
— pusillus L. pass. 
—  rutilus VWolfg. (ut videtur). In lacu Kenjärwi. 
— pectinatus L. freq. in maritimis. 
Zanichellia polycarpa Nolte. freq. ibid. 
Fam. LXXIX. Typhacezr Juss. 
Aypha angustifolia L. rar. Ad Fredrikshamn. 
Sparganium ramosum Huds. pass. 
— simplex Ilade. freq. 
— natans L. Fr. freq. 
— minimum L, Fr. freq. == «= ocev3 
RR VR RR 
Fam, LXXX. Cyperacen -Juss. 
Schenus ferrugineus L. tär. '"Uguniemi, Appelberg 
(sec. Fi Nyl Spies 
