Nature protected 
bers: — Ophioglossum vulgatunty Car ex 
CEderi, Iris sibirica, Salix pentandra, 
S. nigricans, S. aurita x repenSy Thesium 
intermedium, Drosera rotundifolia, 
Spiraea Filipendula, Comarum palus- 
tre, Potentilla alba, Trifolium mon- 
tanum, Orobus vernus, Gentiana 
Pneumonanthe^ Cuscuta epithymum, 
Pinguicula vulgaris, Arnica montana, 
Scorzonera humilis. 
Some economic societies have also 
supported these efforts, such as the 
Silesian Fishery Society, which abol- 
ished the premium for killing the 
halcyon {Alcedo kispida). The West 
Prussian Union for the protection of 
game voted that its members should 
not shoot or catch the owl, eagle owl, 
raven, sea eagle, golden eagle, and 
black stork. 
