158 



Also very near A, n/Ji/icrve from Avhich it is distinguishable by tlie leaves with 

 more, rounded or slightly cordate base; from A. crosnm PAX. by the quite 

 glabrous leaves. 



Acer serrulatum HAYATA Materials for a Flora of Formosa p. 70. 

 Branches terete, fusco-rubesceiit, glabrous, leafy, dilated at the insertion of the 

 leaves. Leaves palmately o-lobed, roundly coixlate in outline, 7| cm. long, 

 9 cm. broad, duplicately serrulate, lobes equal, 5-uerved, nerves divaricate 

 at an angle 60, central nerve neary as long as the lateral nerves or a little 

 longer, 2.} times long as the basal ones, terminal 'lobe lanceolate 7] cm. 

 long, 2 cm. broad, acuminate at the apex, lateral lobes and basal ones all 

 the same, petioles 2J> cm. long, base slightly dilated. 



HAB. Taito : Bataiankei. 



Near Acer puliiKifiu/i THUNB.; but differs from it in the serration of the 

 leaves. 



Acer Tutcheri DUTHIK var. Shimadai HAYATA Materials for a Flora 

 of Formosa p. 70 ; Acer Olifcrianum PAX. subvar. trilobatiim KOIDZ. in 

 Jourii. CoU. Sci. Imp. Univ. Tokyo XXXII.-l, p. 34, Fig. 2. Branches 

 strong, terete, fusco-nigricant, lenticellate, branchlets divaricate, laterally 

 compressed, a little dilated at the insertion of the leaves. Leaves opposite, 

 petiolate, broadly rhomboid, 5 cm. long, 7 cm. broad, 3-lobate, ser- 

 rulate, nearly entire near the base, loljes nearly equal, (rarely with 

 smaller basal lobes), terminal lobe broadly triangular, margin straight, 

 2-i cm. long, 3 cm. broad, lateral lobes divaricate, straight on the upper 

 side, but round at the base on the lower side, distinctly 3-nerved, central 

 nerve 5 cm. long, lateral nerves 4] cm. long, divaricate, petioles 4 cm. 

 long, incrassate at the base. Cymes with fruits at the apex of 2-4- leaved 

 branches, 7 cm. long (including peduncles) peduncles 2-3 cm. long Carpels 

 glabrous, cells ovoid, 4 mm. long, slightly uervose, wings knife-shaped, 

 Ll cm. long, G mm. broad, recurved at the inner side, rounded at the apex, 

 outer side straight, divaricate at an angle 40 



HAB. Shintiku, - by. T. KAAVAKAMI and Y. SHBIADA, 1907, Sept. (No. 

 6657). 



