Saxifragaceae 



513 



D. gracilis var. nagitrae (Makino) Makino Hime-utsugi. 



Young branches glabrous or glabrescent; leaves membranous, 

 vivid-green, ovate to broadly lanceolate, 3.5-10 cm. long, 2-4 

 cm. wide, acuminate, minutely toothed, scattered stellate-pubes- 

 cent above, somewhat paler beneath with 5- to 8-rayed stellate 

 hairs or subglabrous, the petioles 3-8 mm. long; racemes often 

 branched at base; flowers white, the pedicels slender; calyx- 

 teeth deltoid, glabrous; petals about 10 mm. long; capsules 



about 4 mm. across. May-June. Mountains; Honshu 



(Kanto Distr. and westw.), Shikoku, Kyushu. 



Var. zentaroana (Nakai) Hatus. D. zentaroana Nakai 

 BuNco-UTsuGi. Leaves larger and prominently stellate- 

 pubescent beneath. Occurs with the typical phase. 



Var. ogatae (Koidz.) Ohwi. D. ogatae Koidz. Ao-ko- 



uTsuci. Closely resembles tlie preceding variety, but the 

 inflorescence is paniculate with more numerous smaller flow- 

 ers. Shikoku. 



4. Deutzia scabra Thunb. D. sieboldiana Maxim.; D. 

 sieboldii Koehne; D. \iusiana Koidz.; D. subvehttina Nakai; 

 D. tarada/^crisis Nakai; D. microcaipa Nakai; D. reticulata 

 Koidz.; D. sieboldiana var. dippeliana C. K. Schn.; D. sieboldii 



forma dippeliana (C. K. Schn.) Nakai Maruba-utsuci, 



TsuKUSHi-UTsuci. Shrub; leaves subtending the inflores- 

 cence sessile, the others short-petiolate, green, thinly charta- 

 ceous, ovate to oblong, 3-8 cm. long, 2-4 cm. wide, acuminate, 

 minutely dentate-serrulate, the stellate hairs 3- to 4-rayed on up- 

 per side, 4- to 6-rayed beneath, also with scattered simple and 

 stipitate stellate hairs on nerves below, the petioles 2-4 mm. 

 long; panicles rather many-flowered, densely stellate and 

 spreading-hairy; petals 6-7 mm. long; capsules about 3 mm. 



across. Apr.-May. Honshu (Kanto Distr. and westw.), 



Shikoku, Kyushu. 



5. Deutzia uniflora Shirai. Ume-utsugi. Shrub; young 

 branches brownish purple; leaves ovate to oblong-ovate, 4-7 

 cm. long, 2-3.5 cm. wide, acuminate, shallowly dentate, scat- 

 tered stellate-pubescent on both sides, the petioles 4-6 mm. 

 long, often slightly winged above; flowers white, solitary, 

 rarely 2-3, the pedicels 5-12 mm. long, with 2 small bracts, 

 sparingly stellate-pubescent; calyx-teeth lanceolate-deltoid, gla- 

 brous; petals about 20 mm. long; teeth of the filaments linear- 

 lanceolate; capsules 4-5 mm. across. Apr.-May. Rocks in 



mountains; Honshu (w. Kanto Distr.) ; rare. 



18. KIRENGESHOMA Yatabe Ki-renge-sh6ma Zoku 



Tall erect perennial herbs with stout short rhizomes; leaves opposite, petiolate, palmately lobed, exstipulate; cymes terminal 

 and axillary; flowers large, yellow; calyx-tube subglobose, the teeth depressed; petals 5, convolute in bud; stamens 15, free; 

 ovary subinferior, 3(-4)-locular; styles 3(-4), free, fiHform; capsules broadly ovoid, loculicidally dehiscent, 3(^)-valved; seeds 

 many, flat, margined with a wing of unequal width. One or two species, in Japan and Korea. 



1. Kirengeshoma palmata Yatabe. Ki-renge-sh6ma. 

 Stems glabrous, 80-120 cm. long; leaves membranous, orbicu- 

 lar-cordate, 10-20 cm. long and as wide, palmately lobed, 

 thinly pilose with ventrally fixed hairs, toothed, the lobes 

 deltoid, acuminate, the petioles long in the lower ones, sessile 

 in the upper ones; inflorescence a ternately branched panicu- 



late cyme; flowers large, erect, the pedicels deflexed in fruit; 

 calyx-teeth undulate; petals erect, about 30 mm. long, nar- 

 rowly obovate-oblong, subacute, deciduous; styles about 20 

 mm. long, glabrous, persistent; capsules glabrous, about 15 

 mm. long. Aug. Woods in mountains; Shikoku, Kyushu; 



19. ITEA L. ZuiNA Zoku 



Evergreen or deciduous trees or shrubs; leaves alternate, simply toothed or entire, exstipulate, short-petiolate; inflorescence a 

 raceme; flowers small, bisexual, white, 5-merous; calyx-tube short, the lobes persistent; petals deciduous or persistent, valvate in 

 bud; stamens 5, alternate with the petals; ovary superior, 2-locular; styles 2, connate; capsules with a groove on each side; seeds 

 flat. About 10 species, in the temperate and warmer regions of e. Asia, one in N. America. 



1. Itea japonica Oliv. Reinia racemosa Fr. & Sav. 



ZuiNA. Large deciduous shrub with glabrous yellow-green 

 young branches; leaves membranous, vivid-green, oblong, 

 ovate or ovate-oblong, 7-12 cm. long, 3-6 cm. wide, long- 

 acuminate, serrulate, short-pilose on the nerves above, paler 

 and often short-pilose beneath, the petioles 4-7 mm. long; 

 inflorescence 7-20 cm. long, densely many-flowered, spreading- 



puberulent on the axis, the pedicels 1-3 at the node, puberu- 

 lent, 2-3 mm. long, bracteate; flowers about 3 mm. long; 

 calyx-lobes narrowly deltoid, acute, about half as long as the 

 petals; petals persistent, lanceolate, obtuse, I-nerved; capsules 

 slightiy longer than the petals; styles short, the stigma capitate. 

 May. Honshu (s. Kinki Distr.), Shikoku, Kyushu. 



20. RIBES L. SuGURi Zoku 



Deciduous often armed shrubs; leaves alternate, petiolate, palmately lobed, usually exstipulate; flowers solitary to several in 

 leaf-axils or in racemes, 5-merous or rarely 4-merous, bisexual or unisexual (plants sometimes dioecious) ; calyx rotate, the lobes 

 slighdy connate below; petals small; ovary inferior, 1-locular; styles 2, more or less connate at base; fruit a berry; seeds usually 

 many. About 150 species, in N. Hemisphere and S. America. 



lA. Unarmed shrubs; pedicels jointed. 



2A. Flowers fascicled or solitary in axils. 



3A. Fruit with long glandular hairs; small epiphytic shrub \. R. ambiguum 



3B. Fruit glabrous; terrestrial shrub 2. R. jasciculatiim 



2B. Flowers in racemes. 



