12 ART. I.—B. HAYATA:? 
O. Starr, keeper of the Herbarium at Kew, for his constant 
kindness during my stay at Kew, to Mr. C. H. Wricur for his 
assistance in determining plants, especially, Palme; to Mr. N. 
E. Brown for Asclepiadexz, and Aroidese; to Mr. R. A. 
RotFe for Umbellifere, and Orchidee, to Mr. 8S. A. Sxaw for 
his advice in the library; to Mr. T. A. Spracur for Celastrinee ; 
to Messrs. W. B. Hemstry and J. G. Baxer for their valuable 
advice; to Dr. A. Henry for his kindness in helping me to see 
Lrypiey’s Herbarium in Cambridge; to Mr. 8. T. Dunn for Carices, 
to Monsieur F. Gacnepain for his assistance in my work in the 
Herbarium at Paris; to Herrn Dr. R. Prneger, and Herrn Dr. R. 
Scutecuter for their cordiality during my stay at Dahlem; and 
to Monsieur W. L. Komarow, 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. Paursrn, Conservateur du 
Jardin Impérial de Botanique a St. Pétersbourg, for his kindness 
in entertaining me at his house, during my stay in the capital 
and in placing at my disposal all facilities for my work. To 
Mr. T. Kawaxamr who has put all the Governmental collections 
at my disposal, to Messrs. Y. Surmapa, U. Mort, S. Sasaxr and 
all other collectors, I wish to tender my sincere thanks. 
B. Hayata. 
Tokyo, 13, February, 1911. 
