﻿20 TEE JOUBNAL OF JAPANESE BOTANY. [vol. n. No. 6. 



light green half above on the upper surface, light green beneath, 

 glabrous on both surfaces, but usually, very scantily hispidulous 

 above and sometimes thinly hispidulo-pubescent beneath ； leaflets 

 sessile, or shortly petiolulate (forma petiolulata m.), radiate, broadly 

 ovate or subrhonibeo-ovate, spinuloso-obtuse or acute at apex, cuneate 

 towards the base, shallowly irregularly several-inciso-lobate or sub- 

 3-inciso-lobate above with ovate, few-mucronato-serrate and spinuloso- 

 obtuse or acute lobes, depressedly spinuloso- serrate below but entire 

 in the basal portion ； middle one largest, about 3-5J cm. long, 1 き 一 

 2| cm. wide ； lower ones smallest, about 1|-3J cm. long, i-2 cm. 

 wide ； midrib slightly prominent and depressed in back beneath, 

 slenderly elevated above ； veins loose, erect-patent, often ciliato-pale- 

 membranaceous in the axil of the largest veins ； petiole slender, 

 terete, canaliculate in front, rounded m back, green, glabrous, smooth, 

 rarely thinly pubescent, loosely armed with few patent small spines, 

 gilvons-pubescent and with one small deciduous patent spine (at the 

 very base of the miadle leaflet) dorsally at the top, very shortly 

 embraced at the base, about 3 - 11 cm. long. Peduncle solitary, 

 rised from the centre of leaf-tuft, shorter than the leaves, slender, 

 terete, glabrous, green, |-5J cm. long, often pubescent at the top ； 

 involucral scales several, minute, subulate, deciauous, green. Male 

 umbel 1-2 cm. across ； pedicels 2-5 mm. long, shortly incrassated 

 at the base. Flowers about 3—1 り in number, 4J mm. across, white. 

 Calyx cup-shaped, lined with a thick nectar inside, 5-lobed, 2 mm. 

 across, 10-nerved ； lobes dentiform, deltoid, acute, 1-nerved. Petals 

 .5， valvate in bud which is globose, patent then reflexed, elliptico 

 ovate, acutish and thick at apex, entire, 1-nerved with few-veins. 

 Stamens 5, much exserted, about 4 mm. long ； filament subulato- 

 filiform ； anther elliptical. Rudimental style short, erect, connate 

 towards the base, longer than tlie calyx ； branches curved inwards. 

 Rudimentary inferior ovary turbinate, compressed, glabrous, smooth, 

 longer than the calyx. Female umbel about 12 mm. across, densely 

 many-flowered ； pedicels 2-3 mm. long. Flowers greenish, about 

 3| mm. across. Calyx shallowly cup-shaped, lined with a thick 

 nectar internally, 5-lobed ； lobes dentiform, deltoid, acute, 1-nerved. 

 Petals spreading, ovate, acute and thick at apex, entire, valvate in 

 bud which, is semiglobose, tliickish, 1-nerved with few-veins, 1J mm. 

 long. Rudimentary stamens 5 ； filament obscure ； anther small, 

 caducous. Style exserted, 2 mm. *long, 2-forked, connate towards 

 the base, stout ； branches erect-patent, slightly curved outwards. 

 Ovary inferior, oval- turbinate, compressed, glabrous, smooth, green, 

 1J mm. long, 2 - celled ； ovule 1 to each cell, pendulous, oblong. 

 Berry black when mature. Flowers in June. 



Nom. Jap. Oka-ukogi (nov.). 



Hah. JAPAN (T. Ma kino!). 



This species comes nearest to Acanthopanax japonic um Franch. et 

 Sav Enum. PL Jap. II. p. 377. 



(To be continued.) 



