156 SAHNDACEjE. 



var. formosanum HAYATA; LEVEIL. in Bull. Soc. Bot. Franc. VI. 

 (1906) p. 595 ; C. K. SCHNEIDER HI. Handb. Laubh. H. (1907) p. 198 ; KOIDZ. 

 in Jouru. Coll. Sci. Imp. Univ. Tokyo. XXXH.-l, p. 33, t. 20. 



A. trifidiimvax.? HAYATA in MATSUM. et HAYATA Enum. PI. Formos. p. 97. 



HAB. Kelung. 



Acer Oliverianum PAX. var. Nakaharai HAYATA Materials for a Flora 

 of Formosa p. 68. KOIDZ. in Jouru. Coll. Sci. Imp. Univ. Tokyo XXXH.- 

 1, p. 3. Branches pallid, glabrous. Leaves broadly orbicular in outline, 

 7 cm. long, 10 cm. broad, palmately 5-lobed, cordate at the base, lobes 

 triangular, cuspidate, 3-3-J cm. long, 2 cm. broad or broader, margin serrulate, 

 teeth acute, veins somewhat pilose below, but at last glabrous. Flowers 

 cymose ; cj^mes terminal on the apex of the two-leaved branchlets, 3-5 cm. 

 long including peduncles, glabrous, 3-times branched, terminal pedicels 6 

 mm. long. Flowers $ : sepals 5, roundly oblong, 2 mm. long, upwards 

 hirsute on both sides, margin tomentosely ciliolate. Petals 5, rounded, 1| 

 mm. long, margin obscurely denticulate or subentire, acute at the base. 

 Stamens 7, rarely 5, 2 mm. long, filaments 1 mm. long, anthers oblong, 1 mm. 

 long, obtuse at the apex, emarginata at the base. Ovary broadly dilate | 

 mm. long, 2-J mm. broad, hirsute, styles 2, entirely connate 2 mm. long, disc 

 extrastamiual, iucrassate, 7-5-lobate, lobes rounded. Carpels elliptico-obloug, 

 cells 4 mm. long, wing dimidiately obovate, divaricate, 2.1 cm. long including 

 carpels, divaricate at an angle of 120. 



HAB. Chosokei. 



The present variety differs from the type by the carpels which make 

 an obtuse angle in their junction. Those of the type are arranged nearly in 

 a line, i.e. in 180. 



Acer Oliverianum PAX. var. Nakaharai HAYATA form, longistami- 

 na HAYATA Materials for a Flora of Formosa p. 69. Flowers moucecious ; 

 cymes terminal at the apex of the two leaved brauchlets. Fl. J. 4 mm. in 

 diameter; sepals 5, rarely 6, oblong, somewhat pilose on both sides, 1^ mm. long. 

 Petals 5, obovately oblong, 2 mm. long, rounded at the apex, margin obscurely 

 denticulate or subentire, cuneate at the base, 2 mm. long. Stamens nearly 



