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completed work, a proposed ten volume set, will represent Dr. Hutchinson's revision of the Bentham and Hooker Genera Plantarum. When completed, the set will provide keys to and descriptions of all known genera of flowering plants.
The sequence of families which precedes the generic catalog is a summary of Hutchinson's Families of Flowering Plants, second edition. All of the flowering plant families which are to be treated in the complete set are listed by orders in this summary section. The division Lignosae (primarily composed of woody taxa) has 54 orders, the first seven of which are included in this initial volume: Magnoliales, Annonales, Laurales, Dilleniales, Coriariales, Rosales, and Leguminosae.
The generic catalog includes discussion of family and genus characters. The family treatment is generally broken down into notes about distribution, classification, anatomy, unusual characters, economic properties, and phylogeny and morphology. All of the families and genera are described and generic keys supplied when necessary. Two indices complete the book—one of economic properties, the other of scientific names.
There is no doubt that this set, as represented by volume one, will have a great impact on plant taxonomy—CHARLES R. GUNN, CROPS RESEARCH DIVISION, AGRICULTURAL RESEARCH SERVICE, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
*J. Hutchinson, 516 pp. Oxford at the Clarendon Press, 417 Fifth Avenue, New York, New York 10016. 1964. $20.20.
A SELECTED GUIDE TO THE LITERATURE ON THE FLOWERING PLANTS OF MEXICO—This volume includes entries dating from the early sixteenth century to 1960. Publications with independent pagination and serial pagination are listed in this reference work.
The catalog is enhanced by a one hundred and fifty-six-paged cross index. Some of the major index entries include common names, family and genus names, authors, and subjects. A list of libraries used in preparing this work, a list of abbreviations, a list of bibliographic works consulted by the author, and a list of journal titles complete the book.
This fine reference work which has been carefully compiled by the author has many uses.—CHARLES R. GUNN, CROPS RESEARCH DIVISION, AGRICULTURAL RESEARCH SERVICE, U. S. DEPARTMENT OF AGRICULTURE, BELTSVILLE, MARYLAND.
*University of Pennsylvania Press, 3436 Walnut Street, Philadelphia, Pennsylvania 19104. 1,015 pages, $25.00.
Castanea 31(4), 318. Dec. 1966
