Oleaceae 729 



1. CHIONANTHUS L. Hitotsuba-tago Zoku 



Shrubs or trees, glabrous or pubescent; leaves opposite, entire, sometimes toothed; flowers in trichotomous panicles; calyx 

 minute, 4-lobed; corolla white, die lobes linear, much longer than the tube; stamens 2, on the tube, the filaments short, the 

 anthers exsertcd or included, the connective mucronate; ovary 2-locular; ovules 2 in each locule, pendulous; style short, the 



stigma thick, retuse or subbifid; drupe ellipsoidal, with a firm endocarp; seeds solitary, rarely 2 or 3, the endosperm fleshy. Two 



or three species, in e. Asia and N. America. 



1. Chionanthus retusus Lindl. & Paxt. C. chinensis petioles 1.5-3 cm, long, puberulent; panicles terminal, 7-12 cm. 



Maxim.; C. serrulatiis Hayata; C. retusus var. serrulatus (Ha- long, glabrous, the pedicels 7-10 mm. long; calyx deeply 



yata) Koidz. Hitotsuba-tago. Tree with gray-brown 4-lobed, 2-3 mni. long, the lobes lanceolate, acuminate; corolla 



branches, puberulent while young; leaves oblong, elliptic, or white, the tube 1-1.5 times as long as the calyx, the lobes 



ovate, 5-10(-15) cm. long, 2.5-6 cm. wide, obtuse or acute, linear-oblanceolate, 1.5-2 cm. long, 2-4 mm. wide; fruit ellip- 



entire or doubly toodied in the young leaves, green and gla- soidal, black, about 1 cm. long. May. Honshu (centr. distr. 



brous on upper side, puberulent on the impressed midribs, incl. Kanto), Kyushu (Tsushima); rare. Korea, China, and 



brownish pubescent on lower part of the midrib beneath, the Formosa. 



2. LIGUSTRUM L. Ibota-no-ki Zoku 



Evergreen or deciduous shrubs or trees; leaves opposite, entire; flowers white, small, in terminal, much-branched or sometimes 

 reduced panicles; calyx cup-shaped or short-tubular, truncate or shortly 4-toothed; corolla infundibuliform or tubular, with 

 ascending or spreading lobes, valvate in bud; stamens 2, on the tube, the filaments short, the anthers often exserted; ovary 

 2-locular, the ovules 2 in each locule, pendulous; fruit drupelike, somewhat juicy, the endocarp membranous or chartaceous; 

 seeds 1-3, with fleshy endosperm. About 50 species, in temperate to warmer regions of Eurasia, also in Malaysia and Aus- 

 tralia. 



lA. Corolla-tube as long as the lobes or nearly so; anthers oblong, rounded at both ends, 1.2-2 mm. long, shorter than the filaments; styles 

 exserted from the tube. 

 2 A. Evergreen; leaves coriaceous, lustrous. 



3A. Leaves elliptic or ovate-elliptic, 5-8 (-10) cm. long; corolla-lobes slighdy shorter than the tube; fruit usually ellipsoidal. 



I. L. japonicum 



3B. Leaves ovate to broadly so, 6-10 (-12) cm. long; corolla-lobes half as long as the tube; fruit ellipsoid-globose 2. L. liicidtim 



2B. Deciduous; leaves herbaceous, not lustrous, puberulent beneath while young or glabrous on both sides, narrowly obovate to broadly 



oblanceolate 3. L. salicinum 



IB. Corolla-tube usually 2-3 times or rarely only slightly longer than the lobes; anthers broadly lanceolate, narrowed to the tip, 2-4 mm. 

 long, longer than the filaments; style not exserted from the tube. 

 4A. Anthers as long as to longer than the corolla-lobes. 



5 A. Panicles much branched; leaves half-evergreen, somewhat coriaceous, 4-10 cm. long, 2-5 cm. wide 4. L. ovalijolium 



5B. Panicles reduced, racemose; leaves deciduous, herbaceous to membranous, 2-5 (-8) cm. long, 1-2 (-3.5) cm. wide. 



5. L. lschonosl{ii 

 4B. Anthers about half as long as the corolla-lobes. 



6A. Leaves oblong, usually obtuse; racemes 2-3 cm. long, elongate, several- to rather many-flowered, densely pilosulous. 



6. L. obtusifolium 

 6B. Leaves rhombic -ovate or elliptic, mosdy acute; racemes 1-1.5 cm. long, headlike, 4- to 8-flowered, sparsely pilose, peduncled. 



7. L. ibola 



1. Ligustrum japonicum Thunb. Ligustridlum japoni- young branches puberulent. Occurs with the typical phase. 



cum (Thunb.) Spach; Ligustrum ){eUerianum Vis.; Ligustrum Var. crassifolium Hisauchi. L. »fa^/ Hisauchi, in syn. 



taquetii Lev. Nezumi-mochi, Tama-tsubaki. Large ever- Iwaki. Branchlets puberulent; leaves thicker, elliptic to sub- 

 green glabrous shrub; branches gray-brown or grayish; leaves orbicular, 1-5 cm. long, 1-4 cm. wide, obtuse to very obtuse. 



thick-coriaceous, elliptic or broadly ovate-elliptic, rarely ovate, Cultivated in our area, possibly spontaneous in the Ryu- 



5-8(-10) cm. long, 2.5-4.5 cm. wide, entire, acute at both ends kyus. 



or sometimes subrounded at base, dark green and lustrous on Var. rotundifolium Bl. L. coriaccum Carr.; L. lucidum 



upper side, yellow-green and obscurely punctulate beneath, the var. coriaccunt (Carr.) Decne.; L. japonicum var. coriaccum 



midrib impressed on upper side, often raised and reddish Bl. ex Lavall. Fukuro-mochi. Shrub with puberulent 



brown beneath, the petioles 5-12 mm. long; panicles pyrami- branches; leaves ovate -elliptic to nearly orbicular, rather short- 



dal, 5-12 cm. long and as wide; corolla 5-6 mm. long, the tube pedoled, densely arranged on the branchlets; panicles narrow, 



as long as to slightly longer than the lobes; anthers oblong, very dense and interrupted, the axis puberulent, 3-6 cm. long, 



1.5-2 mm. long, filaments nearly as long as the corolla-lobes; with very short branches; corolla-tube rather elongate; fila- 



styles exserted, 4-5 mm. long; fruit purple-black, ellipsoidal, ments short, die anthers shorter than the corolla-lobes. 



8-10 mm. long. June. Woods and thickets in lowlands Cultivated. 



and hills; Honshu (ccntr. distr. and westw.), Shikoku, Kyu- 2. Ligustrum lucidum Ait. To-nezumi-mochi. Resem- 



shu. A few cultivars of this plant are grown in gardens. bles the preceding, but larger, sometimes a small tree; leaves 



Var. pubescens Koidz. L. rotundifolium var. pubesccns coriaceous, ovate to broadly so, 6-10(-l2) cm. long, 3-5 cm. 



(Koidz.) Hatus. Ke-nezumi-mochi. Inflorescence and wide, gradually narrowed to the acute tip, rounded to subacute 



