Flowering Plants. Origin and Dispersal. Authorized translation from the Russian by C.Jeffrey. 1919. Reprint Koenigstein 1981. 13 photographic plates. 32 figures. X,310 p. gr8vo. Halfleather.

Introduction/ The Flowering Plants-Are they Polyphyletic?/ Ancestors Unknown?/ Ecology and Genetics in Flowering Plant Evolution/ Insects and the Flowering Plants/ The First Flowering Plant-A Hypothetical Reconstruction (Vegetative Organs, Stomat Apparatus, Nodal Anatomy,etc.)/ Living Fossils (Magnoliales, Laurales, Trochodendrales)/ The Origin of the Apetalous Dicotyledons/ The Origin of the Monocots/ Flowering Plants-The First Traces/ The Cretaceous Expansion-Why and Wherefore?/ The Cradle of the Flowering Plants/ The Ecological Evolution of Flowering Plants and the Origin of the Temperate Flora/ The Differentiation of Floras and the Development of the Major Phytochoria/The Basic Steps in the Evolution of the Tertiary Flora of the Extra-Tropical Regions of the Northern Hemisphere/ Appendix 1: An Outline of the Classification of Flowering Plants/ Appendix 2: The Floristic Regions of the World/ Bibliography (31 p.)/ Index. -