Leguminosae 



571 



1. Gl>'cine soja Sieb. & Zucc. G. ttssuriensis Regel & 

 Maack; G. javanica Thunb. pro parte, non L.; G. formosana 



Hosokawa Tsuru-mame, No-mame. Twining annual; 



stems slender, elongate with retrorsely appressed to ascending 

 brownisli hispid hairs; leaves petioled, the stipules broadly 

 lanceolate, slightly nerved, 2-3 mm. long, the leaflets 3, rarely 

 digitately 5-7, entire, narrowly ovate to linear, 3-8 cm. long, 

 8-25 mm. wide, slighdy paler beneath, loosely appressed-pilose, 

 the sdpels lanceolate, acuminate, 1.5-2 mm. long, 3-nerved; 

 racemes a.xillary, few-flov\'ered, sometimes very short; flowers 

 pale purple, 5-8 mm. long; calyx-teeth nearly as long as the 

 tube; legumes flat, linear-oblong, 2-2.5 cm. long, 4-5 mm. 



wide, densely pale brown pilose, 2- or 3-seeded. Aug.- 



Sept. Thickets in lowlands; Honshu, Shikoku, Kyushu; com- 

 mon. Korea, China, Manchuria, e. Siberia, and Formosa. 



2. Glycine max (L.) Merr. Phaseolus max L.; Dolichos 

 soja L.; Soja hispida Moench; S. japonica Savi; S. viridis Savi; S. 

 angustijolia Miq.; G. hispida (Moench) Maxim.; S. max (L.) 



Piper; G. gracilis Skvortz. Daizu. Bushy, generally 



rather coarse, annual herb; leaves and legumes larger than in 

 the preceding; plant with long spreading hirsute to pilose pale 



hairs. A cultigen allegedly derived from G. soja now very 



common in cultivation throughout our area; known as soy- 

 bean in English speaking countries. 



32. GALACTIA P. Br. Hagi-kazura Zoku 



Twining or trailing, rarely erect herbs or suffrutescent subshrubs; leaves with small deciduous stipules, pinnately 3-foliolate, 

 stipellate; flowers reddish purple or white, in axillary racemes, the bracts minute, setaceous, the bracteoles obsolete or minute; 

 caly.x-lobes acuminate, the upper 2 wholly connate, the lateral ones short, the lowest usually longer; standard ovate to orbicular, 

 the wing adherent to the keel, which is nearly as long as the wing or longer, not beaked; stamens diadelphous or the upper 

 one connate to the middle; ovary subsessile; style filiform, the stigma terminal; legumes linear, straight or incurved, flat, 

 2-valved, dehiscent. About 50 species, in the warmer parts of the world especially in America. 



1. Galactia tashiroi Maxim. Galactia anisopoda Ohwi 

 YoNAKUNi-HAGi-KAZURA, Yaeyama-hagi-kazura. Dif- 

 fuse, procumbent perennial; stems slender, rather firm, 

 sparsely branched, short spreading whitish pubescent; leaves 

 petioled, the stipules ovate to oblong-ovate, acute, 1-1.5 mm. 

 long, appressed, caducous, the stipels obsolete, the rachis 2-5 

 mm. long, the leaflets subcoriaceous, broadly obovate or ellip- 

 tic, 2-2.5 cm. long, 13-30 mm. wide, rounded at both ends or 

 retuse at apex, with slightiy recurved margins, grayish pubes- 

 cent; racemes few-flowered, 2-4 cm. long, loose, slender, 

 spreading-pubescent, the bracts ovate, caducous, the pedicels 



1.5-3 mm. long, the bracteoles at the base of the calyx, ovate, 

 acute, about 1 mm. long; calyx 4-5 mm. long, 5-lobed, puberu- 

 lous, the upper pair wholly connate, the lateral lanceolate, 

 acute; petals 13-15 mm. long, pale reddish purple; legumes 

 flat, short-beaked at apex, 2-3 cm. long, 6-7 mm. wide, ap- 

 pressed-puberulous, 3- to 4-seeded, the seeds ellipsoidal, 



slightly compressed, about 5 mm. long. Aug. Sunny 



gravelly slopes near seashores; Kyushu (Tanegashima); very 



rare. Ryukyus. The typical phase has the leaflets glabrous 



on the upper side. 



33. AMPHICARPAEA Ell. Yabu-mame Zoku 



More or less pubescent, twining to trailing herb; leaves pinnately 3-foliolate, stipulate and stipellate; flowers of 2 forms, the 

 chasmogamic reddish purple or white, in short axillary racemes, the cleistogamic borne on filiform creeping branches near tlie 

 ground, without petals or nearly so, the bracts nerved, similar to the stipules, persistent, the bracteoles absent to minute, subulate; 

 calyx tubular, oblique, the teeth 4 or 5, rather unequal; stamens diadelphous; legumes of the chasmogamic flowers broadly 

 linear or linear-oblong, flat, 2-valved, dehiscent, those of the cleistogamic fleshy, subterranean, obovoid to ellipsoidal, inde- 

 hiscent, usually with 1 large seed. About 15 species, tropical and temperate America, Japan, and Himalaya. 



1. Amphicarpaea edgeworthii Benth. var. japonica 

 Oliv. Falcata japonica (Oliv.) Komar.; F. comosa var. ja- 

 ponica (Oliv.) Makino Yabu-mame. Slender annual, 



thinly retrorse-pilose on stems, petioles, and racemes; stems 

 slender, twining; stipules narrowly ovate, rather obtuse, 3—4 

 mm. long, nerved, persistent, the terminal leaflets ovate or 

 broadly so, 3-6 cm. long, 2.5-4 cm. wide, obtuse to acute, 

 appressed-pilose on upper side, paler or whitish with as- 

 cending pubescence beneath, the midrib beneath with spread- 

 ing hairs; racemes axillary, short-peduncled, several-flowered; 

 flowers pale purple, 15-20 mm. long; calyx with ascending 

 pubescence, the teeth shorter than the tube; legumes flat. 



slightly curved, 2.5-3 cm. long, 7-8 mm. wide, glabrous but 



with appressed hairs on both margins. Sept.-Nov. Woods 



and shaded places in lowlands; Honshu (Kanto Distr. and 

 westw.), Shikoku, Kyushu; common. 

 Var. trisperma (Miq.) Ohwi. Shiitcria trispcrma Miq.; 



A. trisperma (Miq.) Bak. ex Jacks. Usuba-yabu-m.\me. 



Plant uniformly appressed-pilose, with thinner leaves promi- 

 nendy whitish beneath; terminal leaflets slightly attenuate; 

 flowers deeper purple. Frequent in Hokkaido and n. Hon- 

 shu, rare in Kyushu. The typical phase and other variants 



occur from Korea, Manchuria, and Ussuri to the Himalayas. 



34. INDIGOFERA L. 



KOMA-TSUNAGI ZoKU 



Herbs or shrubs with medifixed hairs; leaves odd-pinnate, rarely 1- or 3-folioIate, the stipules usually linear, the leaflets entire, 

 often stipellate; flowers reddish purple, sometimes white, in axillary racemes, the bracts minute, the bracteoles absent; calyx 

 small, obliquely toothed; standard broad, the keel laterally gibbous or pouched; stamens 10, monadelphous, the anthers with 



the connective extended at apex; legumes terete or angular, globose to linear, septate. .'Kbout 350 species, chiefly in the 



Tropics. 



