In this seventh volume of The Illustrated Flora of Illinois series, the first to be devoted to the dicotyledonous plants, Robert H. Mohlenbrock includes four orders and thirteen families of plants. The orders covered in this work are the Theales, Ebenales, Primulales, and Cistales. Families described are the Aquifoliaceae, Hypericaceae, Elatinaceae, Ericaceae, Ebenaceae, Sapotaceae, Styracaceae, Primulaceae, Violaceae,...