614 Balsaminaceae; Rhamnaceae 



lA. Flowers pale yellow; plant glabrous; leaves oblong to ovate, rounded to acute at base, obtusely toothed; pedicels very slender. 



1. /. noli-tangere 

 IB. Flowers reddish purple, rarely white; plant sparsely hirsute on upper side of leaves and on peduncles; leaves rhombic-ovate to 

 -lanceolate, cuneate at base, those near the inflorescence rounded to cordate at base, rather densely serrate; pedicels rather thick. 

 2A. Spur circinnate; peduncles ascending to suberect, widely spaced above and not subtending the leaves; leaves cuneate at base. 



2. /. t ex tori 



2B. Spur curved forward; peduncles spreading, subtending the leaves; leaves gradually narrowed to the base, those near the inflorescence 



rounded, cordate, or obtuse at base 3. /. hypophylla 



1. Impatiens noli-tangere L. Ki-tsuri-fune. Glau- 3 cm. across, the spur prominently circinnate; fruit oblanceo- 



cous and glabrous, the stems terete, much-branched, 30-60 cm. late, 1-2 cm. long. July-Sept. Wet shaded places on low 



long; leaves with slender petioles progressively shorter toward mountains; Hokkaido, Honshu, Shikoku, Kyushu; rather com- 



the summit, the blades oblong to ovate, 4-8 cm. long, 2.5-4 mon. Korea. 



cm. wide, obtuse to subacute, acute at base or the upper ones 3. Impatiens hypophylla Makino. Hagakure-tsuri- 



rounded to shallowly cordate at base, coarsely and obtusely fune. Stems branched; leaves rhombic-elliptic to narrowly 



serrate, mucronate-tipped, the basal teeth filiform; inflorescence rhomboidal, 8-20 cm. long, 3-8 cm. wide, acuminate, gradually 



nodding, on a slender peduncle, 1- to 5-flowered, in corymbose narrowed to the petiole, obtusely deltoid-toothed and mucro- 



racemes, the bracts linear, small; flowers pale yellow, with nate-tipped, with scattered white multicellular curled hairs on 



reddish brown blotches inside, about 2 cm. across, with a upper side, and on nerves beneath, the upper leaves short-peti- 



gendy and downwardly curved spur at base, often cleisto- olate, rounded, subcordate to truncate at base; inflorescence 



gamous late in the season. Wet shaded places in mountains; racemosely few-flowered, on long peduncles placed just beneath 



Hokkaido, Honshu, Shikoku, Kyushu; rather corrunon. the leaves, usually with whitish multicellular curled hairs on 



Europe, Siberia, e. Asia, and w. N. America. the lower part, arcuate above, the pedicels to 1.5 cm. long, 



2. Impatiens textori Miq. /. japonica Fr. & Sav. slender, the bracts broadly lanceolate to deltoid-ovate; flowers 



Tsori-fune-s6. Stems much-branched, 40-80 cm. long, usu- purplish red, about 2 cm. across, with deeper colored spots, the 



ally reddish; leaf-blades rhombic-ovate to narrowly rhomboidal, spur forwardly curved; fruit linear-lanceolate. July-Oct. 



6-15 cm. long, 3-7 cm. wide, acuminate, cuneate at base, Honshu (Kinki Distr.), Shikoku, Kyushu. 



vivid green, short awn-toothed, the upper leaves smaller, Var. microhypophylla (Nakai) Hara. /. microhypophylla 



nearly sessile and rarely obtuse at base; peduncles ascending, Nakai. Enshu-tsuri-fune-s6. Flowers smaller, about 1 



elongate, straight, with fleshy spreading reddish hairs, the cm. across, without purple spots, the pedicels less than 1 cm. 



bracts lanceolate to deltoid-ovate, spreading, small, the pedicels long. Honshu (Totomi Prov.). 



1-2 cm. long; flowers purplish red, with purple spots, about 



Fam. 129. RHAMNACEAE Kuro-ume-modoki Ka Buckthorn Family 



Trees, often spiny, sometimes scandent, or herbs; leaves alternate, rarely opposite, simple, usually stipulate; flowers actinomor- 

 phic, bisexual or unisexual, green or white, in cymes, fascicles, or panicles; flowers 5- or 4-merous; calyx-lobes valvate; petals 

 sometimes absent; stamens opposite the petals; receptacle cup-shaped, the disc distinct; ovary 2- or 3-locular, rarely 1- or 4- 

 locular, superior or inferior, with 1 or sometimes 2 ovules in each locule; styles 2-4, connate at base; fruit a drupe or capsule, 



sometimes winged; endosperm scanty or absent. About 45 genera, with about 550 species, widespread in temperate and 



warmer regions. 



lA. Stipules often spinelike; leaves 3-nerved. 



2A. Fruit dry, winged 1 . Paliurus 



2B. Fruit a fleshy drupe 2. Zizyphus 



IB. Stipules not spinelike; branchlets often abbreviated and spinelike; leaves penninerved or 3-nerved. 

 3A. Leaves penninerved; peduncles and pedicels not fleshy-thickened. 



4A. Leaves entire or nearly so 3. Berchemia 



4B. Leaves serrulate. 



5A. Flowers nearly sessile, in spikes or panicles; leaves partly opposite; branches partly abbreviated and spinelike 4. Sageretia 



5B. Flowers pedicelled, usually in axillary fascicles or cymes. 



6A. Ovary incompletely 2-locular; flowers bisexual; fruit with 1 or rarely 2 stones 5. Rhamnella 



6B. Ovary 2- to 4-locular; fruit with 2-4 stones; flowers bi- or unisexual 6. Rhamnus 



35. Leaves 3-nerved; peduncles thickened and fleshy in fruit 7. Hovenia 



1. PALIURUS Mill. Hama-natsume Zoku 



Deciduous trees or shrubs, often procumbent or creeping; leaves alternate, in 2 rows, 3-nerved, entire or serrulate; flowers 

 bisexual, 5-merous, small, in axillary or terminal cymes; stipules often spinose; ovary 2- or 3-locular, adnate to the disc; fruit 



2- or 3-locular, woody, depressed, with a broad transverse wing above, widi 1 seed in each locule. Few species, in s. Europe 



and e. Asia. 



1. Paliurus ratnosissimus (Lour.) Poir. Aubletia ramo- often spiny in young individuals, the branchlets densely brown- 



sissima Lour.; P. aubletia (Lour.) Schult. Hama-natsume. ish-puberulent; leaves thinly coriaceous, broadly ovate, elliptic. 



Deciduous much-branched shrub with grayish brown branches, or ovate-orbicular, 4-6 cm. long inclusive of the densely soft- 



