INTRODUCTION. 



As was annouaced in tlie introductiou to tlie tliird volume of this work, 

 tlie present volume is principally devoted to the third jiart of tliose studies 

 which have for tlic most part heen upon uew matcrial, eoUected sincc 1912. 

 The volume contains studies on 385 species and S varieti&s ranging from 

 the Ranunculacea) down to the Polypodiaccaj. AU the species of 

 pbanerogamous plants are here arranged, as in the preceding volumc, after the 

 system of Bextiiaji and Hookek ; while tliose of vascuhir ciyptogams arc 

 amxnged after tlic systcm of Exgi.ei». and Pr.\:n-tl. Of tlie sjiecics and 

 varieties mentioned in this work, 203 arc proposed as new species and 7 are 

 regarded as new varieties of known species, while 182 are identified with species 

 which were already known as from Formosa or from other countries. No new 

 genera are proposcd, but 23 geuera are mentioned as ncw to tlie flova of tlie 

 island. The genera mentioned in the following list are ncw to us. 

 Schizandra Phcebe Dlsporopsis 



PerroUetia Pseudixus IViUizim 



PentapaiKix Cyclostemon Itohdea 



Valeriana Bhjxa Xip-is 



Linocicra Ottelia Lophotocarpus 



3Iicrargeria Burmannia Archangiopteris 



PedictUaris Hedychium NothoilcBiia 



Aristolochia Cliaocjync 



Species,* genera* and families* now to Le added to tlie flora of Formosa 

 number as many as 213 species, 23 genera and 2 families. Thus, \\^ to tlie 

 present date, tlie total numljer of species of tlie tlora, so far as known, is 

 3325 species belonging to 914 genera and 160 families. 



It shoultl be understood that plants outside of the islaml are not counted in tliis nunibcr, 

 alihough they are mentioned in this vohime. 



