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Batrachium Drouetii (Eur.)ft 
Ranunculus Purshut 
Sisymbrium Nasturtium-aquati- 
cum (Eur.)t 
Tillaeastrum aquaticum (Eur.)t 
Callitriche palustris (Eur.)t 
Callitriche autumnalis (Eur.)t 
RYDBERG: PHYTOGEOGRAPHICAL NOTES 
Hippuris vulgaris (Eur.)t 
Sium cicutaefoliumt © 
Menvyanthes trifoliata (Eur.)t 
Veronica americanat 
Utricularia vulgaris (Eur.)ft 
Utricularia minor (Eur.)t 
b. Bog and wet meadow plants 
Salix cordata 
Phalaris arundinacea (Eur.)f 
Alopecurus aristulatust 
Calamagrostis elongata} 
Calamagrostis canadensist 
Beckmannia erucaeformist 
Carex leptalea (Eur.) 
Carex aureat 
Carex Buxbaumii (Eur.)t 
Carex lanuginosa 
Carex viridulat 
Tree 
Herbs 
Carex rostratat 
Carex retrorsat 
Rumex occidentalis 
Rumex mexicanus 
Ranunculus sceleratus (Eur.) 
Halerpestes Cymbalariat 
Argentina Anserina (Eur.)t 
Gnaphalium uliginosum (Eur.) 
Equisetum arvense (Eur.) 
c. Meadow plants 
Agrostis hyemalist 
Muhlenbergia Richardsonis 
Poa annua (Eur.)t 
Poa triflora (Eur.)t 
Poa pratensis (Eur.)t 
Festuca octoflorat 
Hordeum jubatumt 
Carex stenophyllat 
Carex interior 
To this category belong also some of the escaped cultivated 
Juncus bufonius (Eur.)t 
Polygonum ramosissimumt 
Capnodes aureumt 
Arabis ovatat 
Draba nemorosat 
Viola nephrophyllat 
Viola septentrionalist 
Artemisia biennts 
plants and common weeds, such as 
Phleum pratense (Eur.)t . 
Dactylis glomerata (Eur.)t 
Bursa Bursa-pastoris (Eur.)t 
Carum Carui (Eur.)t 
Syntherisma Ischaemum (Eur.) Plantago major (Eur.)} 
Chenopodium Botrys (Eur.)t 
