560 



Leguminosae 



high, densely yellowish brown ascending-pubescent; stipules 

 linear, recurved, the leaflets oblong, obtuse to rounded, 3-6 cm. 

 long, 10-30 mm. wide; chasmogamic flowers whitish, 8-10 

 mm. long, densely arranged on elongate, peduncled racemes, 

 the bracts lanceolate, obtuse, small, the bracteoles broadly 

 linear, about 2 mm. long, acuminate; calyx deeply 5-lobed, 5-7 

 mm. long, the lobes lanceolate, spine-tipped; legumes ovate, 

 ascending-pilose; cleistogamic flowers rather many, fasciculate 

 in the leaf-axils; calyx 4-5 mm. long; legumes 3-4 mm. long. 



July-Sept. Grassy slopes in hills; Honshu, Kyushu. 



e. Siberia, Manchuria, China, India, Formosa, and Ryukyus. 



8. Lespedeza virgata (Thunb.) DC. Hedysarum virga- 



tum Thunb.; L. swinhoei Hance Makie-hagi. Slender 



stiff perennial with scattered, appressed, stiff hairs; stems 40-60 

 cm. long, erect, purplish, sparsely pilose, branching above or 

 nearly simple; stipules subulate; leaflets oblong to elliptic, 

 7-20 mm. long, 5-10 mm. wide, rather thick and firm, gla- 

 brous on upper side, deep green, paler and sparsely pilose be- 

 neath; chasmogamic flowers few, 4-5 mm. long, on long 

 peduncles; cleistogamic flowers few, axillary; calyx 2-2.5 mm. 

 long; legumes equal, broadly ovate, about 4 mm. long, 3 mm. 



wide, slightly pilose. Aug.-Sept. Honshu (Kanto Distr. 



and westw.), Shikoku, Kyushu. Korea and Manchuria. 



Var. macrovirgata (Kitag.) Kitag. L. macrovirgata Kitag. 

 O-MAKiE-HAGi. Hairs at least partly spreading. Hon- 

 shu (Tamba Prov.) . 



9. Lespedeza davurica (Laxm.) Schindl. Trifolium 

 davuricum Laxm.; Hedysarum trichocarpum Steph. ex Willd.; 

 L. trichocarpa (Steph.) Pers.; L. medicaginoides Bunge; L. 



fauriei Lev. Oba-medo-hagi. Erect stiff perennial; stems 



20-80 cm. long, short white appressed-pilose; stipules subulate; 

 leaflets oblong or narrowly so, 15-30 mm. long, 5-10 mm. 

 wide, nearly glabrous above, sparsely pilose beneath; chasmo- 

 gamic flowers about 8 mm. long, in dense racemes as long as 

 to shorter than the leaves, the peduncles rather stout, axillary, 

 the bracts minute, the bracteoles narrowly lanceolate to subu- 

 late, 2-3 mm. long; calyx 5-6 mm. long, with narrowly 

 lanceolate, 3-ribbed, spine-tipped lobes; cleistogamic flowers 

 few, fasciculate in axils; calyx 4-5 mm. long; legumes broadly 



ovate, appressed-pilose, 3-3.5 mm. long. Sept. Honshu 



(Hiratsuka in Sagami Prov.); possibly not indigenous. e. 



Siberia, Manchuria, Korea, China, and Formosa. 



10. Lespedeza cuneata (Dum. Cours.) G. Don. Hedy- 

 sarum sericeum Thunb., non Mill.; Anthyllis cuneata Dum. 

 Cours.; L. argyrea Sieb. & Zucc; Indigofera chinensis Vogel; 

 L. sericea (Thunb.) Miq., non Benth.; L. juncea var. sericea 



(Thunb.) Forbes & Hemsl.; L. juncea var. suhsericea Miq. 



Medo-hagi. Tufted or solitary, stiffly erect perennial, 



copiously branched above, 60-100 cm. high, sparsely white ap- 

 pressed-pilose except the upper side of leaves; stems densely 

 leafy; stipules lanceolate, 3-nerved; leaflets oblanceolate or 

 cuneate, rounded to retuse, 7-25 mm. long, 2-4 mm. wide, 

 with slightly incurved margins; chasmogamic flowers 6-7 mm. 

 long, white with a purple blotch on the center of the standard, 

 few, fasciculate in the leaf-axils; calyx 3-4 mm. long with 

 narrowly lanceolate lobes; legumes ovate, as long as the calyx; 



cleistogamic flowers few, fasciculate in leaf-axils; calyx L5-2 

 mm. long; legumes nearly orbicular, about 3 mm. long, longer 



than the calyx. ^Aug.-Oct. Waste ground and grassy 



places in lowlands; Hokkaido, Honshu, Shikoku, Kyushu; 



common. Korea, Manchuria, China, Ryukyus, Formosa, to 



India and Australia. 



Var. serpens (Nakai) Ohwi. L. serpens Nakai; L. sericea 

 var. latifolia Maxim., pro parte; L. prostrata Nakai, non Pursh 

 Hai-medo-hagi. Stems prostrate, branching, the branch- 

 lets thicker, spreading-pilose; leaflets thicker and broader; 

 flowers with a purplish standard, the blotch at the center 

 larger. Aug.-Oct. Common in grassy places and aban- 

 doned lawns, especially abundant near the sea; Honshu, Kyu- 

 shu. China. 



11. Lespedeza juncea (L. f.) Pers. Hedysarum junceum 

 L. f.; Trifolium cytisoides Pall.; T. hedysaroides Pall.; L. 



cytisoides (Pall.) Nakai; L. hedysaroides (Pall.) Kitag. 



Kara-medo-hagi, Inu-medo-hagi. Erect stiff perennial; 



stems slender, sparsely short white appressed-pilose; stipules 

 subulate, small; leaflets oblanceolate to narrowly obovate, 10- 

 15 mm. long, 2.5-6 mm. wide, rounded to retuse, pilose be- 

 neath; chasmogamic flowers 7-8 mm. long, yellowish white, 

 with a purple blotch on the standard, several in fascicles in leaf- 

 axils; calyx 4-5 mm. long with lanceolate, bristly-acuminate 

 lobes; cleistogamic flowers several in leaf-axils; calyx 3-4 mm. 

 long, the lobes lanceolate, 3-ribbed; legumes broadly ovate, 



pilose, about 3 mm. long. Sept.-Oct. Honshu (Kanto 



Distr. and northw.) ; rare. Korea, Manchuria, n. China, 



and e. Siberia. 



12. Lespedeza pilosa (Thunb.) Sieb. & Zucc. Hedy- 

 sarum pilosum Thunb.; Desmodium pilosum (Thunb.) DC; 

 L. pilosa var. latifolia Koidz.; L. pilosa var. erecta Hatus.; 



L. sylvestris Hams.- Neko-hagi. Prostrate to trailing, 



sparsely branched perennial; branches elongate, slender, loosely 

 leaved, 60-100 cm. long, with spreading whitish pubescence; 

 stipules lanceolate, recurved, acuminate; leaflets membranous, 

 broadly obovate, 1-2 cm. long, 8-15 mm. wide, retuse to 

 rounded, green, pubescent beneath, sparsely pubescent to 

 glabrate on upper side; racemes very short, sessile; chasmo- 

 gamic flowers yellowish to white, few, 7-8 mm. long; calyx- 

 lobes nearly linear with a slightly broadened base; cleistogamic 

 flowers 1-3 in upper leaf-axils; calyx about 1.5 mm. long; 

 legumes broadly ovate, 3-4 mm. long, with long ascending 

 pubescence. July-Sept. Thickets and grassy places in low- 

 lands and hills; Honshu, Shikoku, Kyushu; rather common. 

 Korea and China. 



L. X intermixta Makino. L. juncea var. latifolia Maxim., 

 pro parte; L. latissima (Matsum.) Nakai; L. juncea var. sericea 



forma latissima Matsum. Tsuru-medo-hagi. Hybrid of 



No. 10 and No. 12. Differs from L. pilosa in the scarcely pros- 

 trate stems and narrowly ovate to oblong leaflets with ap- 

 pressed to ascending pubescence. From L. juncea it differs in 

 the scarcely erect stems, longer hairs, and the larger broader 



leaflets; legumes unknown. Reported from Honshu. 



Ryukyus and Korea. 



15. KUMMEROWIA Schindl. Yahazu-so Zoku 



Rather short-pilose annuals; leaves digitately 3-foliolate, the stipules soft-membranous, the leaflets subentire, exstipellate; 

 flowers of 2 forms, chasmogamic and cleistogamic, both small, axillary, pedicelled, with a single bracteolelike bract subtending 



the calyx, the bracteoles persistent, ovate; calyx 5-lobed, the lobes pinnate-nerved; legumes flat, sessile, 1-seeded. Two species, 



in e. Asia. 



