572 



Leguminosae 



lA. Flowers about 4 mm. long; racemes 4-10 cm. long 1- /■ pseudotinctoria 



IB. Flowers 12-18 mm. long. 



2A. Leaflets narrowly oblong, 2.5-4 cm. long; flowers 15-18 mm. long 2. /. decora 



2B. Leaflets broadly ovate to elliptic, 1.5-2.5 cm. long; flowers 12-15 mm. long 3. /. hinlowii 



1. Indigofera pseudotinctoria Matsum. Koma-tsu- vivid green and nearly glabrous on upper side, glaucous be- 

 NAGi. Appressed-pilose suffrutescent subshrub 30-50 cm. neath, the stipels minute; racemes axillary, 10-20 cm. long, 

 high, with many slender branches; leaves 4-8 cm. long; many-flowered, on erect peduncles 3-10 cm. long; flowers 15- 

 stipules minute, subulate, deciduous; leaflets oblong, 8-25 mm. 18 mm. long, reddish purple, rarely white; calyx-teeth deltoid, 

 long, 5-12 mm. wide, loosely appressed-pilose on both sides, minutely pilose; legumes cylindric, linear, 3-4 cm. long, gla- 



glaucescent beneath, the stipels minute; racemes short-pedun- brous, straight. ^May-June. River banks and old stone 



cled, 4-10 cm. long inclusive of the peduncle, densely many- walls; Honshu, Kyushu; rather common. centr. China. 



flowered; flowers about 4 mm. long, pale reddish to nearly 3. Indigofera kirilowii Maxim. /. \oreana Ohwi 



white; calyx white-puberulous, about 2 mm. long; legumes Chosen-niwa-fuji. Small shrub much-branched from the 

 narrowly cylindric, straight, slighdy pendulous, 25-30 mm. base; branches slender, glabrous; leaves 8-15 cm. long, short- 

 long, 2.5-3 mm. wide, short appressed-pilosulous, the seeds petiolate; leaflets 9-13, thinly herbaceous, broadly ovate to 



several, ellipsoidal, greenish yellow. July-Sept. Grassy elliptic, 1.5-2.5 cm. long, with scattered appressed medifixed 



slopes and riverbanks in lowlands; Honshu (Kanto Distr. hairs, sometimes nearly glabrous, glaucous beneath, mucro- 



and westw.), Shikoku, Kyushu; very common. centr. nate; stipules and stipels short, subulate, caducous; racemes 



China. 5-10 cm. long, densely many-flowered, erect, the peduncles 



2. Indigofera decora Lindl. Hedysarum incarnattim usually shorter than the raceme; flowers rose-colored, 12-15 

 Willd., nom. superfl.; /. incarnata (Willd.) Nakai; H. in- mm. long, short-pedicelled; standard erect, oblong or elliptic, 



canum Thunb. Niwa-fuji. Subshrub with elongate, sometimes paler in color than the other petals, the wing and 



tufted, reddish, slender branches; leaves 7-20 cm. long inclu- keels rather acute. May-June. Kyushu (n. distr.); rare. 



sive of the short petiole; stipules linear, caducous; leaflets 9-13, Korea, Manchuria, and n. China. 



thin, narrowly oblong, 2.5-4 cm. long, 1-1.5 cm. wide, acute. 



35. WISTERIA Nutt. Fuji Zoku 



Twining woody vines; leaves odd-pinnate, the stipules linear, usually caducous, the leaflets entire, often sripellate; racemes 

 terminal on short shoots, elongate, many-flowered, pendulous; flowers showy, purple or white, on long pedicels, the bracts 

 caducous, the bracteoles absent; calyx campanulate, the lobes unequal, triangular, the upper 2 short, the others longer; standard 

 rounded, with 2 callosities at the base, the keel falcate, the wing auricled at the base; stamens diadelphous; legumes large and 

 elongate, thickened, broadly linear, stiped, 2-valved, dehiscent, the seeds large. Few species, in e. Asia and N. America. 



lA. Bracts lanceolate; leaflets 11-19, soon glabrous; racemes to 60 cm. long 1. W. floribunda 



IB. Bracts ovate; leaflets 9-13, pubescent beneath even at maturity; racemes 10-20 cm. long 2. W. brachybotrys 



1. Wisteria floribunda (Willd.) DC. Glycine -flori- 

 bunda Willd.; Dolichos japonicus Spreng.; Kraunhia flori- 

 bunda (Willd.) Taub.; Milletia floribunda (Willd.) Matsum. 



Fuji. Dextrorsely twining woody vine more or less 



pubescent while young and soon glabrous; leaflets 11-19; ra- 

 cemes flowering from the base; flowers purplish, rather smaller 



than in the following species, the bracts small. May-July. 



Thickets and woods in hills and mountains; Honshu, Shikoku, 

 Kyushu; common. Many cultivars are grown in gardens. 



2. Wisteria brachybotrys Sieb. & Zucc. Kraunhia 

 brachybotrys (Sieb. & Zucc.) Greene; K. sinensis var. brachy- 

 botrys (Sieb. & Zucc.) Makino; K. floribunda var. brachybo- 



trys (Sieb. & Zucc.) Makino Yama-fuji. Sinistrorsely 



twining woody vine; stipules linear, about 8 mm. long, 

 caducous; leaflets 9-13, narrowly ovate, 4-6 cm. long, 15-30 

 mm. wide, pubescent on both sides when young, persisting on 

 lower side, the stipels obscure; racemes 10-20 cm. long, the 

 bracts caducous, ovate, acuminately caudate, densely brown- 

 pubescent outside; flowers purple, opening nearly at the same 

 time; ovary villous. ^May-July. Mountains and hills; Hon- 

 shu (w. distr.), Shikoku, Kyushu; rather rare. Cv. Alba. 



Kraunhia sinensis var. brachybotrys forma dbiflora Makino; 

 W. venusta Rehd. & Wils.; W. brachybotrys var. alba W. Mill. 

 Shira-fuji. Flowers white. Cultivated. 



36. MILLETIA Wight & Arn. Natsu-fuji Zoku 



Twining or trailing shrubs; leaves usually evergreen, odd-pinnate, the stipules small, acicular or subulate, the leaflets entire, 

 stipellate; racemes axillary or in a terminal panicle; flowers greenish white or purple, the bracts and bracteoles usually subulate; 

 calyx broadly campanulate, truncate or with depressed teeth; ovary many-ovuled; legumes broadly linear, slightly compressed, 

 coriaceous, 2-valved, tardily dehiscent. About 100 species, in tropical Asia. 



1. Milletia japonica (Sieb. & Zucc.) A. Gray. Wisteria 

 japonica Sieb. & Zucc; Kraunhia japonica (Sieb. & Zucc.) 



Taub. Natsu-fuji, Doyo-fuji. Dextrorsely twining 



deciduous shrub loosely short-pubescent but soon glabrous; 

 stipules subulate, persistent, the leaflets 11-17, ovate to nar- 

 rowly so, 1.5-4 cm. long, 1-2 cm. wide, gradually narrowed 

 to the obtuse apex, rounded at base, slighdy paler beneath, 



rather veiny on both surfaces, nearly glabrous, deep green 

 above; racemes axillary, 10-20 cm. long inclusive of the short 

 peduncle, rather densely many-flowered, nodding; flowers 

 greenish white, pedicelled, about 15 mm. long; calyx about 4 

 mm. long, loosely appressed-puberulous, the teeth depressed- 

 deltoid, the bracts and bracteoles acicular, less than 1 mm. 

 long, persistent; ovary smooth, glabrous; legumes about 10 cm. 



