12 AKT. I. — B. HAYATA : 



0. Stapf, keeper of the Herbarium at Kew, for his constant 

 kindness daring my stay at Kew, to Mr. C. H. Weight for his 

 assistance in determining plants, especially, Palmae ; to Mr. N. 

 E. Brown for Asclepiadese, and Aroidese; to Mr. R. A. 

 Rolfe for Umbelliferse, and Orchidese, to Mr. S. A. Skan for 

 his advice in the library; to Mr. T. A. Speague for Celastrinese ; 

 to ]\Iessrs. W. B. Hemsley and J. G. Bakee for their valuable 

 advice ; to Dr. A. Heney for his kindness in helping me to see 

 Lindley's Herbarium in Cambridge ; to Mr. S. T. Dunn for Carices, 

 to Monsieur F. Gagnepain for his assistance in my work in the 

 Herbarium at Paris ; to Herrn Dr. R. Pilgee, and Herrn Dr. R. 

 ScHLECHTEE for their cordiality during my stay at Dahlem ; and 

 to Monsieur W. L. Komaeow, for a seat given to me in the 

 Herbarium at St. Petersburg. Finally, I sincerely desire to ex- 

 press my cordial gratitude to Monsieur J. Palibin, Conservateur du 

 Jardin Impérial de Botanique à St. Pétersbourg, for his kindness 

 in entertaining mo a.t his house, during my stay in the capital 

 and in placing at my disposal all facilities for my work. To 

 Mr. T. Kawakami who has put all the Governmental collections 

 at my disposal, to Messrs. Y. Shimada, U. Moei, S. Sasaki and 

 all other collectors, I wish to tender my sincere thanks. 



B. H AY AT A. 



Tokyo, 13, February, 1911. 



