MATERIALS FOE A FLORA OF FORMOSA. 65 



lateralibns tenuissimis vol rarius obsoletis, venis lateralibus primariis 

 nervi centralis utraque latere 7, snbrectis angulo 50° a costa divari- 

 catis, supra nervis venis venulisqne leviter elevatis reticnlatis, subtus 

 prominentibus reticnlatis, petiolis IJ cm. longis intns snlcatis. 



Hab. Gioknsan, leg. S. Honda. 



Near Acer lœvigatum Wall, and still nearer A. Fargesi and 

 also very like some form of A. ohlongum Wall.; but quite easily 

 distinguishable from them by the leaves which are acuminate at 

 the apex and acute at the base. 



Acer caudatifolium Hayata sp. nov. 



Acer caudatum Matsum. in Tokyo Bot. Mag. XII. p. 63 ; 

 Matsum. et Hayata Enum. PI. Formos. p. 96, (non Wall). 



Eamuli fusco-cinerascentes, remote foliati. Folia ovato-lanceo- 

 lata, 8 cm. longa, 3J cm. lata apice acuminata basi cordata, utraque 

 latere obscure 3-dentato-lobata, crenato-serrata, obscure 5-nervia, 

 nervo centrali nervös laterales 3-plo, nervös basilares 7-plo superante, 

 venis primariis nervi centralis utraque latere 5, angulo 40° a costa 

 divaricatis, subtus nervis venis venulisqne elevatis rubescentibus' 

 subtus pagine pallidiora, petiolis 1 J cm. longis, intus sulcatis. 



Hab. Giokusan, leg. S. Honda. 



The present Acer is very diiferent from A. caudatum Wall,, 

 but very near A. Davidi Feanch. The new species is distinguish- 

 able from the latter in having much larger serration of the leaves. 



Acer duplicato-serratum Hayata sp. nov. 



Acei- sp. aft'. A. micrantho S. et Z.; Hayata Fl. Mont. Formos. p. 71. 



Eamuli glabri. Folia ambitu orbicularia 7 cm. in diametro, 

 palmatim 7-loba, lobis lanceolatis acuminatis, duplicato-seiratis, 

 lobo tcrminali 5 cm. longo IJ cm. lato, lobis infimis brevioribus 2 J 

 cm. longis, petiolis 2 cm. longis. 



