604 



Celastraceae 



pressed-rounded, minutely denticulate on margin; petals or- 

 bicular; carpels 1 or 2, rarely 3, oblong, about 8 mm. long; 



seeds enclosed in a yellowish aril. Kyushu (s. distr.). 



Ryukyus. 



3. Euonymus japonicus Thunb. E. japonicus var. typi- 



cus Regel Masaki. Large, glabrous, evergreen shrub or 



small erect tree with green, smooth, rather thick terete 

 branches; leaves thick-coriaceous, elliptic or obovate, sometimes 

 oblong, 3-7(-10) cm. long, 2-4(-6) cm. wide, acute to ob- 

 tuse, cuneate to acute at base, obtusely serrate, lustrous, the 

 lateral nerves not prominent, the petioles 8-15 (-20) mm. long, 

 green; inflorescence 4-7 cm. long, densely rather many- 

 flowered, on thick, rather flattened peduncles 2-5 cm. long; 

 flowers 4-merous, pale green, about 5 mm. across; calyx-teeth 

 semirounded, entire; petals elliptic; filaments longer than the 

 anthers; fruit globose, about 7 mm. across, the aril orange-red. 



June-July. Thickets and woods, especially common on 



slopes near the sea; Hokkaido, Honshu, Shikoku, Kyushu; 



very common and variable and much-planted. Ryukyus, 



Korea, and China. 



Var. longifolius Nakai. E. yoshinagae Makino Nagaba- 



MASAKi. Leaves narrower, oblanceolate, 7-10 cm. long, 1.5-2 

 cm. wide. 



Var. macrophyllus Regel. E. japonicus var. obovatus Na- 

 kai Oba-masaki. Leaves much broader. 



4. Euonymus fortunei (Turcz.) Hand.-Mazz. var. radi- 

 cans (Sieb.) Rehd. Masakja radicans (Sieb.) Nakai; Euony- 

 mous radicans Sieb. ex Miq.; E. japonicus var. radicans Miq.; 



E. repens Carr. Tsuru-masaki. Evergreen glabrous 



climber, often creeping on the ground, with green, terete, ob- 

 scurely elevated-punctate branchlets; leaves somewhat coria- 

 ceous, elliptic to oblong, 1-4 cm. long, obtuse to subacute, 

 acute to cuneate at base, obtusely serrate, the petioles 5-10 mm. 

 long; inflorescence 2-5 cm. long, few-flowered, on rather slen- 

 der peduncles; flowers pale green; fruit 5-6 mm. across, glo- 

 bose. June-July. Woods and thickets on low mountains; 



Hokkaido, Honshu, Shikoku, Kyushu; common and variable, 

 with cultivars in gardens. Korea, China, and Ryukyus. 



Var. villosus (Nakai) Hara. E. radicans var. villosus Na- 

 kai Ke-tsuru-masaki. Leaves pubescent. 



5. Euonymus chibae Makino. Hizen-mayumi. Ever- 

 green glabrous tree with 4-angled branches; leaves thinly 

 coriaceous, elliptic or oblong, 6-8 cm. long, 2-5 cm. wide, 

 abruptly acuminate to abruptly acute, abruptly acute at base, 

 loosely and appressed obtuse-serrate, lustrous, the lateral nerves 

 very weak, the petioles 1-1.5 cm. long; inflorescence few- 

 flowered, on flat peduncles 2-4 cm. long; fruit obovoid-glo- 

 bose, 4-angled, 15-18 mm. long, 1-1.5 cm. across, pale brown 

 when dry, with few seeds in each locule, the aril reddish 



brown. Kyushu (Hizen and Satsuma Prov.). Ryukyus 



and s. Korea. 



6. Euonymus tanakae Maxim. Genitia tana\ae 



(Maxim.) Nakai Kokutengi. Evergreen glabrous small 



tree or large shrub with rather thick branches; leaves often 

 falsely verticillate, somewhat coriaceous, narrowly obovate-ob- 

 long to obovate, 7-15 cm. long, 2.5-4.5 cm. wide, acute, 

 abruptly acute, or rounded, cuneate to acute at base, minutely 

 toothed, paler beneath, the nerves very weak, the petioles 1-2.5 

 cm. long; inflorescence 5-10 cm. long, rather densely few- to 

 many-flowered, the peduncles 4-7 cm. long; flowers 4-merous, 

 about 10 mm. across, greenish white; calyx-teeth very short, 

 depressed; petals thick, orbicular, about 5 mm. long; filaments 



longer than the anthers, inserted on the disc; fruit globose, 

 with 4 prominent ridges, 1-1.5 cm. long and as wide; seeds 



few in each cell. June. Near seashores; Kyushu; rare. 



Ryukyus and Formosa. 



7. Euonymus sieboldianus Bl. E. vidalii Fr. & Sav.; 

 E. yedoensis Koehne; E. hians Koehne; E. semiexsertus 

 Koehne; E. dorsicostatus Nakai; E. maac\ii var. stenophyllus 

 Koidz.; E. maackji sensu auct. Japon., non Rupr.; E. hamiltoni- 



anus sensu auct. Japon., non Wall. Mayumi. Glabrous 



deciduous shrub with terete branches; leaves oblong, some- 

 times elliptic or ovate-oblong, 5-12 cm. long, 2-6 cm. wide, 

 acuminate to abruptly acute, rounded to abruptly acute at base, 

 minutely serrulate, green and scarcely lustrous on upper side, 

 the lateral nerves slightly evident beneath, the petioles 8-20 

 mm. long; inflorescence 3-6 cm. long, loosely several-flowered 

 with spreading pedicels 2-4 cm. long; flowers pale green, about 

 8 mm. across; calyx-lobes rounded, entire; petals oblong, about 

 4 mm. long, densely and minutely papillose inside; filaments 

 3 or 4 times as long as the dark purple anthers; fruit obtriangu- 

 lar-cordate, with 4-ridges, cuneately narrowed toward the base, 

 8-10 mm. long and as wide at apex. May-June. Moun- 

 tains and hills; Hokkaido, Honshu, Shikoku, Kyushu; com- 

 mon and very variable. Korea, Manchuria, China, Sakhalin, 



and s. Kuriles. 



Var. nikoensis (Nakai) Ohwi. E. ni\oensis Nakai; Euony- 

 mus hamiltonianus var. nikoensis (Nakai) Blakel. ^Yumoto- 



MAYUMi. Leaves puberulous with papillose hairs especially 

 on the nerves beneath, the fruit, and on the petioles. 



8. Euonymus oligospermus Ohwi. E. pauciflorus sensu 

 auct. Japon., non Maxim.; E. pauciflorus subsp. oligospermus 



(Ohwi) Okuyama; E. pauciflorus var. japonicus Koidz. 



Ito-mayumi, Andon-mayumi. Deciduous shrub with rather 

 slender, glabrous, densely warty, dark brown branches; leaves 

 membranous, oblong to ovate-oblong, 6-10 cm. long, 2.5-4 cm. 

 wide, caudately short-acuminate, acute to subrounded at base, 

 obtusely and minutely toothed, glabrous and dull on upper 

 side, pale green and pubescent especially on nerves beneath, 

 the petioles 4-7 mm. long; inflorescence 4-5 cm. long in fruit, 

 the peduncles slender, bearing 1 or 2 fruits; calyx-teeth 

 rounded, nearly entire; fruit 4-angled, about 10 mm. long, 

 dilated and winged toward apex, obtriangular on the sides, 



deeply depressed. Mountains; Honshu (Hinoemata near 



Ose in Iwashiro) ; very rare. 



9. Euonymus macropterus Rupr. E. ussuriensis Maxim. 



Hiro-ha-tsuribana. Glabrous, deciduous shrub with 



rather thick, terete branches; leaves obovate to broadly so, 

 6-12 cm. long, 3-7 cm. wide, abruptly acuminate or abruptly 

 acute, broadly cuneate to rounded at base, obtusely toothed, 

 pale green and the lateral nerves rather prominent beneath, the 

 petioles 4-8 mm. long; inflorescence 7-12 cm. long including 

 the long peduncles, umbellately branched and rather many- 

 flowered; flowers 4-merous, pale green, about 6 mm. across; 

 calyx-teeth depressed-rounded, entire; petals orbicular; fruit de- 

 pressed, 4-ridged, about 1 cm. long, 2-2.5 cm. wide with 4 hori- 

 zontally spreading wings broadest about the middle, the aril 



orange-red, the seeds reddish brown. June-July. Woods 



and thickets in mountains; Hokkaido, Honshu (centr. distr. 

 and eastw.), Shikoku. s. Kuriles, Sakhalin, Korea, Man- 

 churia, Ussuri, and Amur. 



10. Euonymus yakushimensis Makino. Ao-tsuribana. 

 Glabrous deciduous shrub, the branches green, often whitish 

 waxy, terete; leaves membranous, broadly lanceolate to ovate- 



