Cruciferae 



483 



the preceding, but slightly larger, softer and nearly glabrous; 

 leaflets 3-11, the terminal leaflets much larger than the lateral; 



petals about 4 mm. long; siliques about 2-2.5 cm. long. 



Wet places in lowlands and in the mountains; Hokkaido, 

 Honshu, Shikoku, Kyushu; common. e. Siberia, Kam- 

 chatka, Sakhalin, Korea, and Manchuria. 



6. Cardamine longifructus Ohwi. C. fiextiosa var. 

 latijolia Makino Mizu-tanetsuke-bana. Glabrous peren- 

 nial herb with short branched rhizomes; stems tufted, striate, 

 green, sparsely branched, few-leaved; radical leaves pinnately 

 3- to 7-foliolate, with petioles 4-6 cm. long, the terminal leaf- 

 lets reniform, few-toothed, 1.5-2 cm. long, 2-2.5 cm. wide, 

 truncate to shallowly cordate at base, the lateral leaflets much 

 smaller, the lower cauline leaves simulating the radical, the 

 median and upper leaflets sessile, the terminal rhombic-orbicu- 

 lar to obovate-cuneate, obtusely and irregularly toothed, 2-2.5 

 cm. long, 1.5-2 cm. wide, the lateral leaflets narrowly ob- 

 long; racemes erect; flowers several to rather many, about 6 

 mm. long; sepals 2 mm. long; petals obovate-cuneate; siliques 

 suberect to ascending, nearly straight, 2.5-3 cm. long; st>'le 

 very short; stigma slighdy thickened; seeds rather many, wing- 

 less. Apr.-May. Wet places in hills and low mountains; 



Honshu (Chijgoku Distr.), Shikoku, Kyushu (?). 



7. Cardamine nipponica Fr. & Sav. Miyama-tane- 

 TsuKE-BANA. Glabrous perennial herb, the stem much- 

 branched; stems or scapes tufted, 5-10 cm. long; radical 

 leaves few, 1.5-3 cm. long, 3- to 5(-7)-foliolate, the leaflets el- 

 liptic, obovate or oblong, subsessile, 2-6 mm. long, 1.5-5 mm. 

 wide, entire, the terminal leaflets slighdy larger to nearly as 

 large as the lateral ones, the cauline leaves few, short-auricu- 

 late, clasping; inflorescence densely few-flowered; petals 5-6 

 mm. long, cuneate-obovate; siliques erect, 2-3 cm. long, 1-1.2 



mm. wide, gradually narrowed above. July-Aug. Alpine 



slopes; Hokkaido, Honshu (centr. and n. distr.). 



8. Cardamine lyrata Bunge. Mizu-tagarashi. Gla- 

 brous perennial stoloniferous herb; stems 30-50 cm. long, 

 leafy, erect in anthesis, decumbent in fruit; lower cauline 

 leaves 11- to 13-foliolate, sessile, the terminal leaflets 1-2 cm. 

 long and as wide, orbicular-cordate, the lateral ones smaller, 

 subsessile, ovate, obtuse, 3-10 mm. long, the upper ones 

 5- to 7- foliolate; leaves of tlie stolons often reduced to a simple 

 terminal leaflet; racemes many-flowered; petals white, 8-10 

 mm. long, obovate; siliques 2-3 cm. long, about 1 mm. wide, 

 nearly erect, the pedicels 1-2 cm. long, obliquely spreading; 

 seeds winged. May. Wet places and paddy fields in low- 

 lands and foodiills; Honshu (centr. distr. and westw.), Shi- 

 koku, Kyushu. Korea, n. China, and e. Siberia. 



9. Cardamine schinziana O. E. Schulz. C. nasturtii- 



folia H. Boiss., non Steud. Ezo-no-ja-ninjin. Glabrous 



perennial; stems 20-30 cm. long, leafy, often short-creeping 

 below; leaflets 5-11, oblong to lanceolate, often slightly incised, 

 the terminal one 15-25 mm. long, 8-15 mm. wide, the lateral 

 ones sessile, 5-20 mm. long, 3-8 mm. wide; flowers white; 



petals 7-8 mm. long. June. Wet places; Hokkaido (Hi- 



daka Prov.). 



10. Cardamine yezoensis Maxim. C. prorepens Fisch. 



forma valida Takeda; C. valida (Takeda) Nakai Ainu- 



wasabi. Perennial stoloniferous herb, mosdy glabrous or 

 thinly pilose on the stems near base; stems 30-50 cm. long, 

 often sparsely branched above; leaves petiolate, 5-12 cm. long, 

 without auricles at base, the leaflets 5-9, ovate to ovate-oblong, 

 1-3 cm. long, 7-15 mm. wide, glabrous, sessile, scattered 



short-toothed; racemes elongate, many-flowered; petals 8-10 

 mm. long. July-Sept. Hokkaido. Sakhalin. 



11. Cardamine torrentis Nakai. C. nipponica Nakai, 



non Fr. & Sav. Okuyama-carashi. Closely resembling 



the preceding species; stems rather stout, branched, often de- 

 cumbent; leaflets usually ovate to suborbicular, 1.5-4 cm. long, 

 1-3.5 cm. wide; racemes rather short; petals 5-6 mm. long; 

 siliques 25-35 mm. long, about 1.5 mm. wide; seeds wingless, 



about 1.5 mm. long, May-July. Wet places along streams 



and ravines in mountains; Honshu (centr. distr.). 



12. Cardamine kiusiana Hara. Takachiho-garashi. 

 Closely resembles the two preceding species; stems to 60 cm. 

 long; lateral leaflets of the cauline leaves petiolulate, ovate to 

 oblong, die uppermost leaves lanceolate to oblong; petals 8-10 



mm. long; siliques 15-25 mm. long. Shikoku (Mount 



Tsurugi ?), Kyushu (Hyuga Prov.). 



13. Cardamine fauriei Franch. C. geijolia Koidz. 



Ezo-wASAEi. Glabrous stoloniferous perennial; stems 30-40 

 cm. long, few-leaved; leaves petiolate, the lower ones 3(-5)- 

 foliolate, the terminal leaflet ovate-orbicular or orbicular- 

 cordate, obtusely toothed, 2.5-4 cm. long and as wide, the 

 lateral lobes cordate-orbicular to oblong, petiolulate or sessile, 

 entire or toothed, 1-3 cm. long, 7-15 mm. wide, each of the 

 upper leaves of the stolons reduced to a terminal leaflet only, 

 often incised-toodied; racemes elongate after anthesis, on long 

 pedicels; petals 7-9 mm. long; siliques 15-20 mm. long, 1-1.2 



mm. wide. May-July. Streams and ravines in mountains; 



Hokkaido, Honshu (?). 



14. Cardamine anemonoides O. E. Schulz. Dentaria 



corymbosa Matsum.; C. matsumurana Nemoto ^Mitsuba- 



KONRON-s6. Perennial herb, scattered short-pubescent on 

 the leaves above and on margin; stems 10-20 cm. long, 4- to 

 5-!eaved above, with 1-2 reduced leaves at base; rhizomes 

 slightly thickened, fusiform, scaly; radical leaves absent, the 

 cauline leaves petiolate, 1- to 3-foholate, die leaflets broadly 

 rhombic-lanceolate to linear-lanceolate, toothed or incised, of- 

 ten connate below and forming a 3-parted leaf, 1-8 cm. long, 

 8-20 mm. wide, the petioles to 20 mm. long; flowers 2-7, in 

 subcorymbose racemes; petals ascending, 8-10 mm. long, 

 white, sometimes reddish, cuneate-obovate; siliques erect, 3-4 

 cm. long, 1-1.2 mm. wide, the pedicels about 20 mm. long; 



seeds wingless, about 1.5 mm. long. Apr.-May. Honshu 



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



15. Cardamine arakiana Koidz. Dentaria ara1{iana 



Koidz. 0-maruba-konron-s6. Allied to species No. 2; 



rhizomes short, thickened, scaly; stems 10-30 cm. long, simple, 

 few-leaved, with spreading hairs; radical leaves ternate or 

 simple, thin, the terminal leaflets orbicular-reniform, or reni- 

 form-cordate, 15-30 mm. long, 15^0 mm. wide, short-pilose 

 above, undulate-toothed, the lateral leaflets very small, short- 

 petiolulate, obliquely cordate; cauline leaves smaller, the leaf- 

 lets slightly narrower; racemes several-flowered, short, gla- 

 brous; sepals glabrous; petals narrowly cuneatc-oblong, 6-7 

 mm. long, slightly shorter than the pedicels in anthesis; si- 

 liques 2-3 cm. long, about 1.8 mm. wide, gradually narrowed 

 above to the stigma, the style about 2 mm. long; seeds about 



1.5 mm. long, wingless. Apr.-May. Honshu (Tanba 



Prov.). 



16. Cardamine appendiculata Fr. & Sav. Dentaria ap- 

 pcndictilata (Fr. & Sav.) Matsum.; C. macrophylla var. ap- 



pendictilata (Fr. & Sav.) Yatabe Hiro-ha-konron-so, Tade- 



No-UMi-KONRON-so. Fic. 7. Rhizomcs slender, creeping, slightly 



