Rosaceae; Leguminosae 



551 



or loosely brown-pubescent at anthesis, becoming glabrous in 

 fruit; flowers white, 6-8 mm. across; calyx glabrous, the teeth 

 erect or only slightly incurved in fruit; petals spreading, 

 nearly orbicular, short-clawed, often thinly puberulent inside 

 at base, as long as the stamens; fruit red, 4-5 mm. across, glo- 

 bose. May-July. Mountains; Hokkaido, Honshu, Shi- 



koku, Kyushu. 



Var. rufoferruginea C. K. Schn. S. rufofeiruginea (C. K. 

 Schn.) C. K. Schn.; S. ni}{\oensis Koidz.; 5. diabolica Koidz.; 

 5. rufoferruginea var. ferrugineocosta Koidz.; S. wilfordii 

 Koehne Sabib.\-n.\na-kamado. Inflorescence, the calyx- 

 tube at anthesis, and the leaves beneath along the midrib with 



long, soft, brown hairs. Mountains; Honshu, Shikoku, 



Kyushu. 



Var. sachalinensis Koidz. 5. yesoensis Nakai; Pyrtis mi- 

 crantha var. macrophylla Card.; 5. macrophylla (Card.) Koidz. 



0-NANA-KAMADO, Ezo-NANA-KAMADO. Leaflets larger, to 



8-9 cm. long. Hokkaido. s. Kuriles and Sakhalin. 



Sorbus X rikuchuensis Makino. Crataegus rikuchuensis 



(Makino) Makino Rikuchu-nana-kam;\do. Leaves pin- 



nately divided on lower half, pinnately parted to lobed on 

 upper half, 4-8 cm. wide, glabrous on upper side, irregularly 

 toothed, pubescent beneath, brown-pubescent on nerves be- 

 neath, 6-12 cm. long, the leaflets and lobes chartaceous, spread- 

 ing. Honshu (Rikuchu Prov.); rare; a hybrid involving 



S. commixta and an unknown second parent. 



Hybrids of uncertain origin occurring in Honshu: Sorbus 

 X uzenensis (Koidz.) Koidz.: X Crataegosorbus uzenensis 

 (Koidz.) Koidz.; X Ariosorbus uzenensis (Koidz.) Koidz. 



Dewa-no-hagoromo-nana-kam.\do. Sorbus X tango- 



ensis Koidz.: X Crataegosorbus tangoensis Koidz.; X Ario- 

 sorbus tangoensis (Koidz.) Koidz. Yosano-hagoromo- 



NANA-KAMADO. 



4. Sorbus gracilis (Sieb. & Zucc.) C. Koch. Pyrus 

 gracilis Sieb. & Zucc; S. schwerinii C. K. Schn.; S. pachyphylla 

 Koidz.; S. gracilis var. yoshinoi Koidz.; S. viminalis Koidz. 



Nankin-nana-kamado. Shrub with the slender branches 



soft-pubescent while young; leaves pinnate, the stipules per- 

 sistent, those under the inflorescence larger, flabellate, tooUied, 

 1-2 cm. long and as wide, the petioles 1-3 cm. long, loosely 

 soft-pubescent, often becoming glabrous, the leaflets 7-9(-ll), 

 the upper ones larger, oblong to narrowly obovate-oblong, 

 2-5.5 cm. long, 1-2.5 cm. wide, usually obtuse, sometimes 

 rounded or acute, toothed on upper half, glabrous or nearly 

 so above, glaucous to white and often with yellowish brown 

 pubescence beneath, mixed with white hairs on midrib, the 

 rachis usually pubescent; inflorescence 5-8 cm. long, rather 

 many-flowered, often nodding, glabrous to slightly soft-pubes- 

 cent; flowers creamy white, 5-8 mm. across; calyx-teeth del- 

 toid, inflexed in fruit; petals as long as the stamens, 4-5 mm. 

 long, reflexed, nearly orbicular, short-clawed; styles 2-4, 



slightly white-pubescenc near the base or glabrescent; fruit 



red, ellipsoidal or globose, 7-10 mm. long. Apr.-June. 



Mountains; Honshu (Kanto Distr. and westw.), Shikoku, 



Kyushu. 



5. Sorbus abiifoHa (Sieb. & Zucc.) C. Koch. Crataegus 



alnifolia Sieb. & Zucc; Pyrus tniyabci Sarg.; Micromeles alni- 

 folia (Sieb. & Zucc.) Koehne; S. miyabei (Sarg.) Mayr; Aria 



tiliaefolia Decne. Azuki-nashi. Tree with purplish 



brown branches glabrous or thinly white-pubescent while 

 young; leaves simple, chartaceous, ovate to broadly so, elliptic 

 or obovate, 5-10 cm. long, 3.5-7 cm. wide, abruptly acumi- 

 nate, thinly pubescent above while young, pale green and 

 thinly appressed-pubescent beneath especially on the nerves 

 while young, doubly toothed, the lateral nerves 8- to 10-paired, 

 ascending, nearly straight, the petioles pubescent on the upper 

 side while young, 10-20 mm. long, usually reddish; inflores- 

 cences terminal on short branches, compound-corymbose, 

 rather many-flowered, glabrous to sparsely white-pubescent; 

 flowers white, 13-16 mm. across; calyx-teeth deltoid, obtuse, 

 spreading, deciduous, white-pubescent inside; petals 5, orbicu- 

 lar-ovate, slightly longer than the stamens; stamens about 20; 

 styles 2, slightly pubescent at base; fruit oblong, red, sUghtly 

 lenticellate, 7-8 mm. long. May-June. Mountains; Hok- 

 kaido, Honshu, Shikoku, Kyushu; common. 



Var. lobulata (Koidz.) Rehd. Micromeles alnifolia var. 



lobulata Koidz. Fugire-azuki-nashi. Leaves shallowly 



lobulate. Honshu and Kyushu. Korea. 



Var. submollis Rehd. Okushimo-azuki-nashi. Leaves 



densely soft-pubescent beneath. Hokkaido, Honshu. 



Korea, Manchuria, China, and Ussuri. 



6. Sorbus japonica (Decne.) Hedl. Pyrus lanata Miq., 

 non D. Don; Aria japonica Decne.; Micromeles japonica 



(Decne.) Koehne; Sorbus kpehnei Zabel Urajiro-no-ki. 



Tree, with dense white pubescence on young branches, in- 

 florescence, and leaves beneath; leaves submembranous, ovate- 

 orbicular to broadly obovate, 6-12 cm. long, 4-9 cm. wide, 

 shallowly lobed, toothed, white-woolly on upper side while 

 young, densely white-woolly beneath, the lateral nerves 8 to 

 11 pairs, ascending, nearly straight, the petioles white-woolly, 

 1-2 cm. long; inflorescence a compound corymb, terminal on 

 short branches, many-flowered, the bracts scarious, caducous, 

 brown; flowers white, about 10 mm. across; calyx white- 

 woolly, the teeth lanceolate-deltoid, acuminate; petals sub- 

 recurved, nearly orbicular to elliptic, slightly longer than the 

 stamens; styles 2; fruit obovoid-globose or obovoid, 8-12 mm. 



long, slightly lenticellate, red. May-June. Hills and moun- 



uins; Honshu, Shikoku, Kyushu. 



Var. calocarpa Rehd. Kimino-urajiro-no-ki. Fruit 15 



mm. long, orange-yellow, not lenticellate. Honshu (Yu- 



moto in Nikko). 



Fam. 105. LEGUMINOSAE Mame Ka Pea Family 



Herbs, shrubs, trees, twining or scandent vines; leaves alternate, usually compound, stipulate and often stipellatc; flowers 

 usually bisexual; sepals 5, connate at base into a tube; petals 5, rarely fewer, papilionaceous or nearly actinomorphic; stamens 

 10, sometimes fewer or numerous, usually diadelphous, sometimes monadclphous, or free; ovary 1-locular, 1-carpellate, superior, 

 the ovules 1 to many, the placenta parietal; fruit a legume, dehiscent, indehiscent, or rarely fleshy, sometimes jointed; seeds 

 without endosperm. About 550 genera, with about 13,000 species, cosmopolitan, especially abundant in the tropics. 



\. Subfamily MIMOSOIDEAE: Usually trees; flowers actinomorphic, small; calyx-lobes or sepals and petals valvate in bud; 

 stamens 5 to numerous, exserted. 



