First published MCML 



By the Chronica Botanica Company 



of Waltham, Mass., U.S.A. 



All righlt reserved, including the right to reproduce 

 this book or parts thereof in any form 



Authorized Agents: — 

 New York, N. Y.: Stechert-Hafner, Inc., 



31 East 10 th Street. 



San Francisco, Cal.: J. W. Stagey, Inc., 

 551 Market Street. 



Toronto, Ont.: Wm. Dawson Sxjbscription Service Ltd., 



60 Front St. West. 



Mexico, D. F.: Axel Moriel Sucrs., 



San Juan de Letran 24-116; Ap. 2762. 



Caracas: SuMA S. A., 



Sabana Grande, 102, "El Recreo". 



Bogota and Medellin: Libreria Central. 

 Lima: Libreria Internacional del Peru, 



Casa Matriz. Boza 879; Casilla 1417. 

 Santiago de Chile: Libreria Zamorano y Caperan, 



CompanJa 1015 y 1019; Casilla 362. 

 Rio de Janeiro: Livraria Kosmos, 

 Rua do Rosario, 135-137; Caixa Postal 3481. 



Sao Paulo: Livraria Civilizacao Brasileira, 



Rua 15 de Novembro, 144. 



Buenos Aires: Acme Agency, Soc. de Resp. Ltda., 



Suipacha 58; Casilla de Correo 1136. 



London, W. C. 2: Wm. Dawson and Sons, Ltd., 



Chief Agents for the British Empire, 

 Cannon House, Macklin Street. 



London, W. C. 1: H. K. Lewis and Co., Ltd., 



136, Gower Street. 



Uppsala: A.-B. Lundequistska Bokhandeln, 



Drottninggatan 2. 



Groningen: N. V. Erven P. Noordhoff, 



Chief Agents for Continental Europe. 



Paris, VI: Librairie P. Raymann & Cie., 



17, Rue de Tournon. 



Hamburg 13: Buch- und Zeitschriften-Union mbH., 



Harvestehuder Weg 5. 



Basel: Buchhandlung Wepf & Co., 



Eisengasse 5. 

 Torino: Rosenberg & Sellier, 



Via Andrea Doria 14. 

 Madrid: Libreria J. Villegas, 



Preciados, 33. 



Lisbon: Livraria Sa da Costa, 



100-102, R. Garrett. 



Moscow: Mezhdunarodnaja Kniga, 



Kuznetsk! Most 18. 



Peiping (O): French Bookstore, 



yi T'ai-chi-ch'ang, Ex-Legation Quarter. 

 Tokyo: Maruzen Company, Ltd., 



6, Tori-Nichome Nihonbashi; P. O. Box 605. 



Calcutta, Bombay, and Madras: Macmillan and Co., Ltd. 



Johannesburg: Central News Agency, Ltd., 



Commissioner & Rissik Streets; P. O. Box 1033. 



Sydney: Angus and Robertson, Ltd., 

 89 Castlereagh Street, Box 1516D.D. G.P.O. 



Melbourne, C. 1: N. H. Seward, Pty., Ltd., 



457, Bourke Street. 



Wellington: Whitcombe & Tombs, Ltd. 



Made and printed in the tJ.S.A. 

 Designed by Frans Verdoorn 



