a classical wall chart depicting the natural history inflorescence of a cypress spurge (euphorbia cyparissias). used as teaching material in german schools ca. 1900s. the chart is part number 11 of the series of poisonous plants in germany. the chart is published by von Friedr.Vieweg & Sohn, Braunschweig. the author is Dr.P.Esser, Cologne and the illustrator is Carl Bollmann. colorful print on cardboard (chromolithography).
