Celastraceae ; Staphyleaceae 



605 



oblong, 5-13 cm. long, 2-4 cm. wide, long-acuminate, acute to 

 subrounded at base, minutely and obtusely toothed, pale green 

 and the lateral nerves slightly raised beneath, the petioles 3-5 

 mm. long; inflorescence 5-10 cm. long, few-flowered on slen- 

 der peduncles; flowers 4-merous, purplish; caly.x-teeth de- 

 pressed-rounded, entire; petals orbicular, about 5 mm. long; 

 filaments very short; fruit pendulous, globose, smooth, 8-10 



mm. across, the aril red; seeds yellow-brown. Mountains; 



Kyushu (Yakushima) ; very rare. 



11. Euonymus melananthus Fr. & Sav. Sawadatsu, 

 Ao-jiKU-MAYLMt. Rather small, deciduous, glabrous shrub 

 with green, slenderly 4-striate branches; leaves chartaceous to 

 membranous, ovate, sometimes broadly lanceolate, 3-8 cm. 

 long, 1.5-3.5 cm. wide, abruptly acuminate and subacute, 

 rounded to broadly cuneate at base, mucronate-serrulate, the 

 nerves raised beneath, the petioles 2-3 mm. long; inflorescence 

 2-3 cm. long, 1- to 3-flowered, the peduncles slender and 

 pendulous; flowers 5-merous, purplish, about 7 mm. across; 

 calyx-teeth semirounded, minutely toothed on margins; petals 

 orbicular; fruit globose, about 1 cm. across, smooth. June- 

 July. Woods in mountains; Honshu, Kyushu. 



12. Euonymus lanceolatus Yatabe. Murasaki-mayumi. 

 Small, creeping, sparsely branched, glabrous shrub, the 

 branches elongate, green, terete, obscurely 4-striate; leaves 

 rather thick, broadly oblanceolate to broadly lanceolate, rarely 

 nearly oblong, 7-12 cm. long, l-3(-5) cm. wide, long-acumi- 

 nate, acute to obtuse at base, obsoletely serrulate, deep green 

 on upper side, the nerves not prominent, the petioles 4-7 mm. 

 long; inflorescence 3 or 4 cm. long, loosely few-flowered on 

 slender peduncles; flowers 5-merous, purplish, about 8 mm. 

 across; cal>'x-teeth semirounded, minutely toothed on margin; 

 petals orbicular; fruit globose, about 8 mm. across, smooth. 

 July. Woods in mountains; Honshu. 



13. Euonymus oxyphyllus Miq. E. nipponiciis Maxim.; 

 E. yesoensis Koidz.; E. oxyphyllus var. mag/ius Honda; E. 

 oxyphyllus var. yesoensis (Koidz.) Blakel. and var. nipponicus 

 (Maxim.) Blakel.; Turibana oxyphylla (Miq.) Nakai; T. 

 yesoensis (Koidz.) Nakai; T. nipponica (Maxim.) Nakai; 



Kalonyinus yesoensis (Koidz.) Prokhan. Tsuribana. 



Large deciduous glabrous shrub with terete branches; leaves 



membranous, ovate or obovatc, sometimes elliptic or nar- 

 rowly obovate-oblong, 5-10 cm. long, 2-5 cm. wide, acuminate, 

 acute to rounded at base, obtusely serrulate, with raised nerves 

 beneath, the petioles 3-6 mm. long; inflorescence 7-15 cm. 

 long, loosely flowered, the peduncles slender; flowers more 

 than 10, umbellate on the peduncles, 5-merous, white or pale 

 purple, about 7 mm. across; calyx-teeth much depressed, en- 

 tire; petals orbicular; fruit globose, 10-12 mm. across, smooth. 

 May-June. Thickets and woods in low mountains; Hok- 

 kaido, Honshu, Shikoku, Kyushu; common and variable. 



s. Kuriles, Korea, and centr. China. 



14. Euonymus planipes (Koehne) Koehne. E. lati- 

 jolius var. planipes Koehne; E. oxyphyllus var. l{uenbergii 

 Honda; E. robustus Nakai; Turibana planipes (Koehne) Nakai 



O-tsuribana. Large deciduous glabrous shrub with 



terete, green, rather thick branches; leaves obovate, elliptic, or 

 oblong, 7-13 cm. long, 4-6 cm. wide, abruptly acuminate to ab- 

 rupriy acute, broadly cuneate to abruptiy acute at base, obtusely 

 serrulate, the nerves especially raised on the under side, the 

 petioles 5-12 mm. long, inflorescence 7-15 cm. long, loosely 

 umbellate, the peduncles slender; flowers more than 10, white 

 to pale green, about 8 mm. across; calyx-teeth short, entire; 

 petals orbicular; fruit globose, with 5 narrow wings about the 



middle. May-June. Hokkaido, Honshu (centr. distr. and 



northw.). Korea, Manchuria, Ussuri, and s. Kuriles. 



15. Euonymus tricarpus Koidz. E. sachalinensis sensu 

 auct. Japon., non Maxim.; E. sachalinensis var. tricarpus 



(Koidz.) Kudo Kuro-tsuribana. Glabrous, deciduous 



shrub with terete, green branches later becoming dark red- 

 dish brown; leaves membranous, rugulose in life, elliptic or 

 obovate, 6-10(-12) cm. long, 3-4(-5) cm. wide, abruptiy 

 acute, rounded to acute at base, obtusely serrulate, the petioles 

 8-12 mm. long; inflorescence 5-7 cm. long, 2- or 3-flowered on 

 pendulous, slender peduncles; flowers dark purple, about 8 

 mm. across; calyx-teeth 5, broadly ovate; petals 5, orbicular; 

 fruit cordately globose, 1-1.2 cm. long, 1.2-1.5 cm. across, 

 truncate at base, rounded at apex, with 3 falcately recurved 



obtuse wings toward the base. July. Thickets in high 



mountains; Hokkaido, Honshu (centr. distr. and northw.). 

 Sakhalin. 



Fam. 122. STAPHYLEACEAE Mitsuba-utsugi Ka Bladdernut Family 



Trees or shrubs; leaves opposite, 3-foliolate or odd-pinnate, the stipules paired; flowers bisexual or unisexual, actinomorphic; 

 sepals imbricate; petals in.serted on the disc or on its margin, imbricate; stamens 5, free, alternate with the petals; carpels 2 or 3, 

 connate at base, 2- or 3-locular, forming a lobed ovary; styles free or connate; ovules many, in 1 or 2 series on the ventral 

 suture; fruit an inflated, bladderlike capsule dehiscent on the upper part, or a berry; seeds few, the endosperm scanty, the 

 embryo straight, the cotj^ledons flat. About 5 genera, with about 30 species, chiefly in the temperate regions of the N. Hem- 

 isphere. 



lA. Dcciduou.s trees; fruit dehiscent. 



2 A. Fruit an inflated lobed capsule; lateral leaflets sessile; seeds without an aril 1. Staphylea 



2B. Fruit a follicle; lateral leaflets petiolulate; seeds with a thin fleshy aril 2. Euscaphis 



IB. Evergreen trees; fruits fleshy and indchiscent; seeds without an aril 3. Turpima 



1. STAPHYLEA L. Mitsuba-utsugi Zoku 



Shrubs or trees; leaves opposite, the stipules decitluous, the leaflets 3 (to 7 in exotic .species), stipellatc; flowers white, bisexual, 

 in terminal panicles; sepals 5, deciduous; petals 5, erect; disc connate with the base of the sepals, free on the margin; stamens 5, 

 erect; carpels 2 or 3, connate at base; styles free or connate at apex; ovules many, in 2 series on ventral sutures of the carpels, 

 ascending, anatropous; capsules inflated, membranous, 2- or 3-lobed in upper part, 2- or 3-locular, with a few seeds in each loculc, 



dehiscent on the inner side; seeds globose, exariUate, the endosperm fleshy. About 8 species, in the temperate regions of the 



N. Hemisphere. 



