Proserpinaca palustris 'Cuba'Proserpinaca is a stem plant, 10 40 cm tall and 5 10 cm wide. Cultivated in closed cups and delivered with saw toothed leaves, which after a transitional period in the aquarium develop into long, finely denticulated, needle like leaves. In good light conditions it turns a beautiful copper colour and its characteristic appearance is a pleasing contrast to the other plants. Proserpinaca palustris varies in form according to its origin. The Tropica