VI IXTUODUCTIOX. 



officials of the Government of Formosa, to wliom I am imich indebteil for 

 lielp in the collection of material anil in the piiLlication of work. Finalh', 

 I miist witli ileep sorrow exprcss my gratituile to the late T. Kawakami, 

 who was so long my collaborator in the Botanical iSurvey of Formosa and 

 whose brilliant and devoted life came to its close while this vohime was in 

 course of publication. 



B. HAYATA. 

 August 1915, Taihoku and Tokv". 



