Germany 149 
Potentilla rupestris, P. arenaria, Rosa 
pimpinellifolia, Genista pilosa, Ononis 
repens, Medicago minima, Trifolium 
alpestre, T, rubens, Oxytropis pilosa, 
Lathyrus niger, Geranium colum- 
binum, G, rotundifoliumy Linum 
tenuifolium, Acer monspessulanum, 
Eryngium campestre, Carum Bulbocas- 
tanum, Bupleurum falcatum, Ligus- 
trum vulgare, Cynoglossum officinale, 
Origanum vulgare, Galeopsis angusti- 
folia, Stachys rectus, Teucrium Botrys, 
VerbascumLychnitis, VeronicaDillenii, 
Orobanche lutea, O, alba, Asperula 
glauca, A, cynanchica. Aster Lynosyris, 
Erigeron acre, Anthemis tinctoria^ 
Achillea nobilis, Artemisia campestris 
var. sericea. 
Sometimes the protection of a 
natural monument by purchase cannot 
be effected by a community, or society, 
or an individual alone, but only by the 
co-operation of various organisations. 
