Flatters & Garnett, Ltd., Manchester. Section BB 23—BRITISH PLANT ASSOCIATIONS Plain Slides 1/6 each. Coloured Slides, where suitable, 3/- each An “association” is a community of plants occupying a definite habitat, with constant dominants and definite floristic composition. … 46—Open Association of Marram Grass on Shifting Dunes. The slides comprising this Section are from a unique series of photographs by Mr. W. B. Crump, M.A. The list has been considerably extended since the last issue by the addition of more than one hundred new slides. The vegetation of the chalk…
