Aanwinsten voor de Nederlandse adventief-flora, 6

Two acquisitions to the Netherlands adventitious flora from the year 1963. 1. Kochia scoparia subsp. densiflora (Turcz. ex Moq.) Aellen, distinguished from the typical subspecies by the long hairs at the base of the flowers, was found near Amsterdam as a grain introduction. 2. Tetragonolobus maritimus (L.) Roth. This species was found on the grassy slope of the Kunderberg near Voerendaal (prov. Limburg). It is supposed to be adventitious there, what is also said of the specimens from the nearest locality in Germany, the Schneeberg near Vaals, W. of Aachen. Polygonum compactum Hook. f. and Dicentra eximia (Ker) Torr., escaped from cultivation.