: a photographic study Postma, C. creator text London Harrap 1960 monographic 73 p. : ilus. Contenido: The structure of plant ; About grasses ; The flower ; Spread of the seed ; The leaf ; Hairs of the plant ; THe stalk wood ; THe root ; Parasites. Botánica Obras ilustradas Fotografía de plantas 581.1084 P68 54000 971013 20220329140549.0