546 



ROSACEAE 



lA. Leaves cuneate to obovate-cuneate, broadest above the middle, cuneate at base, sometimes 3- to 5-lobed on upper margin. 



1 . C. cuneata 

 IB. Leaves ovate to broadly so, broadest at or below the middle, truncate to broadly cuneate at base, pinnately cleft to incised. 



2A. Leaves pinnately cleft 2. C. oxyacantha 



2B. Leaves incised or shallowly lobed. 



3A. Fruit red or yellovfish red; leaves rather deeply lobed, villous beneath 3. C. maximowiczii 



3B. Fruit black; leaves incised to shallowly lobed 4. C. chlorosarca 



1. Crataegus cuneata Sieb. & Zucc. Mespilus cuneata flat on ventral side. Occasionally cultivated. Korea, 



(Sieb. & Zucc.) C. Koch Sanzashi. Spiny deciduous Manchuria, and e. Siberia. 



much-branched shrub with straight ascending spines 3-8 mm. 3. Crataegus maximowiczii C. K. Schn. C. sanguinea 

 long, the branches pubescent while young; leaves cuneate, var. villosa Maxim.; Mespilus sanguinea var. villosa (Maxim.) 

 2.5-7 cm. long, 1-4 cm. wide, obtuse, slightly appressed-pubes- Asch. & Graebn. Arage-sanzashi, Oea-sanzashi. De- 

 cent while young, often glabrate on upper side, shallowly to ciduous shrub, the young branches coarsely hairy, later gla- 

 deeply 3-lobed, irregularly incised or toothed, sometimes en- brate, lustrous reddish brown, the spines 15-35 mm. long; 

 tire, paler beneath, sessile or the petioles to 3 cm. long; in- leaves pubescent on both sides, 7-9 cm. long, 5-6 cm. wide, 

 florescence 2- to 6-flowered, terminal on short branches, sessile, rather deeply 3-cleft in vigorous elongate shoots, the petioles 

 pubescent; flowers about 18 mm. across; calyx-teeth spreading, hairy, 15-30 mm. long; inflorescence densely flowered, coarsely 

 ovate, subacute; petals 5, suborbicular, white; styles usually 5; hairy along with the young fruits; flowers about 1.5 cm. 



fruit subglobose, red, 10-12 mm. across. Apr.-May. Only across; styles 3-5, nearly terminal. Hokkaido; rare. e. 



cultivated. China and Mongolia. ^Forma lutea Matsum. Siberia, Manchuria, Sakhalin, and Korea. 



Kimi-sanzashi. Fruit yellow. 4. Crataegus chlorosarca Maxim. C. sanguinea var. 



2. Crataegus oxyacantha L. Seiyo-sanzashi. Tall de- schroederi Kegel; Mespilus chlorosarca (Maxim.) Asch. & 



ciduous shrub with elongate stout spines 7-20 mm. long, the Graebn. Kuromi-sanzashi. Small deciduous tree with 



young branchlets usually glabrous; leaves broadly ovate, 1.5-5 rather spreading, stout spines, the young branches glabrous or 



cm. long, 2-4 cm. wide, subobtuse, deep green, deeply (3-) slighdy pubescent, becoming dark purple in age; leaves mem- 



5-lobed, the lobes obtuse, slightly toothed on upper margin, gla- branous, dull, ovate or broadly so, 5-10 cm. long, 3.5-5 cm. 



brous or nearly so, the petioles 1-2 cm. long, glabrous or wide, acute, broadly cuneate at base, slightly pubescent, shal- 



nearly so; inflorescence glabrous, several-flowered, terminal on lowly lobed to incised, irregularly and acutely toothed, the 



short branches; flowers white, about 15 mm. across, single; petioles 1-3 cm. long, loosely pubescent on the upper side; in- 



styles 2-3; fruit red, subglobose, terminated by the persistent florescence rather many-flowered, glabrous or slighdy pubes- 



reflexed calyx-teeth. Apr.-May. Cultivated in gardens, cent; flowers white, 10-15 mm. across; calyx-teeth narrowly 



Europe. ovate-lanceolate, subacuminate, reflexed; stamens rather long; 



Crataegus pinnatifida Bunge. Crataegus oxyacantha var. styles 5. ^May-June. Hokkaido, Honshu (Sugadaira in 



pinnatifida (Bunge) Kegel O-sanzashi. Allied to the Shinano). Sakhalin. 



preceding but with few spines, pubescent inflorescence and the Crataegus jozana C. K. Schn. may be only a variant of 



young branches with rather acute leaf-lobes, and the stones the preceding with denser pubescence. 



22. PHOTINIA Lindl. Kaname-mochi Zoku 



Glabrous to pubescent shrubs or trees; leaves alternate, petioled, coriaceous, evergreen, simple, entire or toothed, the stipules 

 sometimes foliaceous; flowers in terminal corymbs or panicles, small, white; calyx widi campanulate or napiform tube adnate 

 to the ovary or free above, the lobes 5, obtuse; petals 5, spreading; stamens rather numerous, inserted on the throat of the calyx- 

 tube; ovary inferior or free on upper part, 2- to 5-locular; styles 2-5, free or connate, the stigmas dilated, truncate; ovules 2 in 



each locule, erect; drupe ovoid, with 1 or 2 seeds in each locule, erect, with a membranous or coriaceous testa. About 40 



species, in the temperate to warmer regions of e. Asia. 



1. Photinia glabra (Thunb.) Maxim. Crataegus glabra 

 Thunb.; P. serrulata Sieb. & Zucc, non Lindl. ^Kaname- 

 mochi. Small evergreen tree, glabrous except the inflores- 

 cence; leaves oblong to narrowly obovate, 7-12 cm. long, 2.5-4 

 cm. wide, acute to acuminate, acute at base, serrulate, lustrous, 

 paler beneath, the petioles 10-17 mm. long, often slighdy 

 pubescent inside near base while very young; inflorescence 



many-flowered, 8-12 cm. across, the bracts erect, broadly 

 lanceolate, caducous; flowers about 8 mm. across, white and 

 slighdy pinkish; calyx-teeth deltoid, acute, erect; petals white- 

 puberulent inside at base; styles 2 or 3, white-puberulent on 

 lower part; fruit subglobose, 4-5 mm. across, red. May- 

 June. Honshu (Tokaido Distr. and westw.), Shikoku, Kyu- 

 shu. 



23. ERIOBOTRYA Lindl. Biwa Zoku 



Evergreen trees; leaves short-petioled, simple, coriaceous, toothed, with straight nerves ending in the teeth; inflorescence a 

 broad pyramidal panicle usually densely woolly-pubescent, die bracts deltoid-ovate, persistent; flowers rather small, white; calyx- 

 teeth acute, persistent; petals 5, ovate to nearly orbicular, clawed; stamens about 20; ovary inferior with 2 ovules in each locule; 



styles 2-5, connate below; fruit an obovoid to globose pome, with persistent calyx-teeth at apex; dae seeds few, large. About 



10 species, in e. Asia. 



