Muschler Keno. A Manual Flora of Egypt

Asistant at the Koyal Botanic Gardens, Dahlem-Berlin; Corresponding Member of the „lnstitut Egyptien" and others. With a preface by Prof. Paul Ascherson and Prof. Oeorg Schweiiifurth. — Vol. II. Berlin: E. Friedlaender & Sohn, 1912.