Leguminosae 



563 



1. Smithia japonica Maxim. Shiba-nemu. Branched 



annual 30-50 cm. high; leaves ovate, 2-3 cm. long, the rachis 

 ending in a short point, loosely hispid, the stipules pale brown, 

 nerved, oblanceolate, peltate and attached near the center, the 

 leaflets 8-14, membranous, oblanceolate, 5-12 mm. long, 2-4 

 mm. wide, rounded at apex, spine-tipped, loosely hispid on 

 under side and margins; flowers bluish, on a short-peduncled 



subcapitate raceme, the bracteoles oblong, 4-5 mm. long, 

 green, hispid-ciliate; calyx-lobes 5-6 mm. long, hispid-ciliate, 

 many-nerved, the nerves connate at apex, die upper lobes 

 ovate; legumes 7-jointed, the joints nearly orbicular, 1-1.5 



mm. across, loosely papillate on both sides. Sept.-Oct. 



Honshu (Suvvo and Kii Prov.), Shikoku, Kyushu; rare. 



Ryukyus. 



18. AESCHYNOMENE L. Kusa-nemu Zoku 



Herbs or suffrutescent shrubs; stipules ovate to subulate; leaves sometimes odd-pinnate, the leaflets many, exstipellate; flowers 

 yellow, in axillary racemes, the bracts similar to the stipules, the bracteoles appressed to the calyx; calyx 2-lipped, the upper lobe 

 2-fid, the lower 3-fid; flowers widi orbicular standard, the keel navicular; stamens diadelphous in 2 sets of 5; legumes stiped, the 

 joints many, flattened, smooth or tubercled on the center, usually indehiscent. About 70 species, in the Tropics and subtropics. 



1. Aeschynomene indica L. Kusa-nemu. Green to 

 somewhat glaucous, somewhat fleshy annual branched above, 

 with scattered spreading hairs on stems, leaf-rachises, and 

 peduncles, die hairs callose at base; stems erect, terete, green; 

 leaves 5-10 cm. long, short-petioled, the stipules ovate to 

 lanceolate, membranous, acuminate, attached slighdy above 

 the base, 7-12 mm. long, the leaflets 40-60, hnear-oblong, 10- 

 15 mm. long, 2-3.5 mm. wide, rounded at ape.x, glaucous be- 

 neath; racemes 2- or 3-flowered, loose, the bracts similar to the 



stipules but smaller, the bracteoles at the base of the calyx 

 narrowly oblong, green; flowers about 1 cm. long, pale yellow; 

 calyx membranous, about 5 mm. long, 2-lobed nearly to the 

 base; legumes usually glabrous, linear, flattened, 3-5 cm. long, 

 5 nun. wide, the stipe 7-8 mm. long, the joints 6-8, obsoletely 



rugulose in the center on both sides. July-Oct. Wet places 



near rivers and ponds in lowlands; Hokkaido, Honshu, Shi- 

 koku, Kyushu; common. Tropics of Asia, Africa, and 



Australia. 



19. HEDYSARUM L. Iwa-6ci Zoku 



Perennial herbs or suffrutescent shrubs; leaves odd-pinnate, the stipules membranous, the leaflets many, exstipellate, usually 

 oblong; flowers reddish purple or pale yellow, in racemes, the bracts persistent or deciduous, the bracteoles linear, small; calyx- 

 teeth equal or slightly unequal; keel nearly straight, obliquely truncate, unappendaged, longer than the wings; stamens 



diadelphous (9 and 1); legumes flat, several-jointed, the joints smooth or prickly, indehiscent. About 70 species, mosdy in 



cooler regions of the world. 



lA. Flowers pale yellow; lateral teeth of calyx deltoid, Y3-Y2 as long as the tube, the lower tooth shorter than the calyx-tube. 



1. H. vicioides 

 IB. Flowers reddish purple; lateral teeth of calyx lanceolate, nearly as long as the tube, the lower tooth slighdy longer than the calyx-tube. 



2. H. hedysaroidcs 



1. Hedysarum vicioides Turcz. H. ussuriense Schischk. 

 & Komar; H. esculentum Ledeb.; H. alpinum var. japonicum 



B. Fedtsch.; H. iwawogi Hara Iwa-ogi, Iwa-wogi, Tate- 



YAKU-oci. Tufted, more or less pubescent perennial with 

 diick erect caudex; stems 25-80 cm. long, nearly simple or 

 sparsely branched above; leaves petioled, 8-15 cm. long, the 

 lower ones reduced to sheadiing stipules; stipules membranous, 

 deciduous, brown, many-nerved, on the ventral margin con- 

 nate to form a narrowly lanceolate blade 12-20 mm. long, 

 the leaflets 1 1-25, herbaceous to chartaceous, narrowly ovate or 

 broadly lanceolate, 1.5-3 cm. long, 5-10 mm. wide, obtuse to 

 rounded and obscurely mucronate at apex, with closely spaced 

 slender lateral nerves, nearly glabrous above, usually pubescent 

 and obscurely glandular-dotted beneath; racemes axillary, 

 3-8 cm. long, one-sided, many-flowered, the peduncles to 15 

 cm. long, the bracts caducous, narrowly to broadly lanceolate, 

 3-8 mm. long, 1-3.5 mm. wide, die pedicels 3-7 mm. long, 

 white-pubescent, the bracteoles persistent, linear, shorter dian 



the calyx; flowers 15-20 mm. long, pale yellow; keel longer 

 than the standard and wings; legumes 3-4 cm. long, 3- or 

 4-jointed, the joints elliptic, flat, entire or obscurely undu- 

 late on margin, with reticulate venation on die faces, gla- 

 brous or minutely puberulous. June-Aug. Sandy to 



gravelly slopes in high mountains, or in grassy places in low- 

 lands in northern distr.; Hokkaido, Honshu (ccntr. distr. and 



northw.). n. Korea to e. Siberia. 



2. Hedysarum hedysaroidcs (L.) Schinz & Thell. As- 

 tragalus hedysaroidcs L.; H. obscunan L.; H. sibiricum Poir.; 



H. neglectum Ledeb. Chishimj\-cence, Karafuto-cenge. 



Closely resembling the preceding, more prominently pubes- 

 cent; leaflets slightly broader and fewer; flowers reddish 

 purple; calyx-teedi longer; keel only slightly longer than the 

 standard and wings; legumes glabrous to minutely pubescent. 



July-Aug. Hokkaido (Rebun Isl.). Cooler regions and 



high mountains of Eurasia. 



20. VICIA L. Sora-mame Zoku 



Annuals or perennials usually with tendrils; leaves even-pinnate, terminated by a tendril or a mucro, exstipellate, the stipules 

 usually semisagittate; flowers reddish purple, rarely yellowish, fasciculate in axils or in axillary racemes, the bracts small, the 

 bracteoles absent; calyx often oblique, 5-lobed or 5-toothcd, the lowest lobe or tooth sometimes longer; wings adnatc to the 

 middle of the keel; stamens diadelphous (9 and 1), the tube oblique at apex; style filiform, hairy all around or on back at apex, 

 sometimes bearded under the stigma; legumes flattened, 2-valved, dehiscent, 1-locular, 2- to several-seeded, the seeds globular. 

 About 150 species, in temperate northern regions of the N. Hemisphere and S. America. 



