674 



Umbelliferae 



and recurved, scarcely 2 mm. long. Aug., fruiting Sept.- 



Oct. Damp mountain woods; Hokkaido, Honshu, Shikoku, 

 Kyushu. 



2. Spuriopimpinella nikoensis (Yabe ex Hisauchi) Ki- 

 tag. Pimpinella ni\oensis Yabe ex Hisauchi; P. \oreana 



(Yabe) Nakai Hikage-mitsuba. Perennial; rhizomes 



short; stems 50-80 cm. long, slighdy branched above; radical 

 leaves long-petiolate, the caulinc pedolate or sessile, 10-15 cm. 

 long and wide, biternately compound, the leaflets usually ses- 

 sile, thinly membranous, green, ovate to obovate, 1.5-4 cm. 

 long, 1-3 cm. wide, usually abruptly caudately acuminate, den- 

 tate, sparsely pilose on both surfaces, short-ciliate; umbels 



few, the involucral bracts lacking, or 1-3, linear, 5-20 mm. 

 long, the rays about 10, 15-35 mm. long, minutely tuberculate 

 on the inner side, the umbellets more than 10-flowered, the 

 bracts of the involucel 2-5 mm. long, linear, the pedicels slen- 

 der, 8-12 mm. long, minutely tuberculate on the inner side; 

 calyx-teeth elongate-deltoid, erect; fruit ovoid-globose, 3-4 mm. 

 long, only a single carpel often maturing, the styles about 1 



mm. long, recurved. Aug., fruiting Sept.-Oct. Mountain 



woods; Honshu (Kanto Distr. and westw.), Shikoku, Kyushu. 



Forma dissecta (Nakai) Ohwi. Pimpinella nikpensis 



var. dissecta Nakai Hagoromo-hikage-mitsoba. Leaves 



finely dissected. 



11. OENANTHE L. Seri Zoku 



Glabrous perennials growing in wet places; leaves pinnate or rarely bladeless; umbels compound, the bracts and bracdets 

 numerous, rarely absent; flowers white; calyx-teeth acute; petals emarginate, incurved at apex; stylopodium conical, narrow; 

 fruit ovoid or oblong, terete, with a broad, flat commissure, the carpels semi-orbicular in cross section, the ribs corky, rather 

 thick, the lateral ones broader than the subequal dorsal ribs, the vittae solitary in the intervals, the carpophore absent; seeds 

 dorsally compressed, with a flat face. About 30 species, in the N. Hemisphere, S. Africa, and Australia. 



1. Oenanthe javanica (Bl.) DC. Sium javanicum Bl.; 

 Falcaria javanica (Bl.) DC; O. stolonifera DC; O. linearis 

 DC; O. benghalensis DC; 5. laciniatum BL; O. lacinata (Bl.) 

 ZolL; Dasyloma subbipinnatum Miq.; D. japonicum Miq.; O. 

 stoloniferum var. japonica (Miq.) Maxim. Seri. Gla- 

 brous perennial with slender roots; stems erect, 20-40 cm. 

 long, angled, striate, from a long-creeping, branched base; 

 leaves petiolate, 7-15 cm. long, deltoid or deltoid-ovate, once 

 or twice pinnately compound, the ultimate segments ovate or 

 narrowly so, 1-3 cm. long, 7-15 mm. wide, acute or subacumi- 

 nate, irregularly dentate, sometimes deeply lobed; umbels 



pedunculate, opposite the leaves, the rays 5-15, usually mi- 

 nutely tuberculate on the angles, 1-2.5 cm. long, the umbellets 

 10- to 25-flowered, the involucel bractlets few, linear, shorter 

 than the fruit, the pedicels 2-5 mm. long; flowers white; fruit 

 ellipsoidal, about 2.5 mm. long, the carpels with corky ribs, 

 the calyx-teeth persistent, the styles slender, suberect, about 1.5 



mm. long. July-Aug. Ditches, ponds, paddy fields, and 



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



common. Ryukyus, Formosa, China, Malaysia, India, and 



Queensland (Australia). 



12. PIMPINELLA L. Mitsubagusa Zoku 



Perennials or rarely annuals; leaves pinnately or sometimes ternately compound, rarely simple, dentate; umbels compound, 

 the bracts and bracdets few or lacking; calyx-teeth obsolete; petals usually white, with an entire or emarginate incurved apex; 

 stylopodium conical, depressed or cushionlike, entire; fruit ovoid or ellipsoidal, compressed laterally, with a concave commissure, 

 the carpels 5-angled, subterete in cross section, the ribs equal, slender, filiform, the vittae numerous, the carpophore bifid; seeds 

 compressed dorsally, with a nearly plane face. ^About 100 species in the N. Hemisphere and S. Africa. 



I A. Fruit broadly ovoid, 1.5 mm. long, short-pubescent; cauline leaves usually 3-foliolate or simple, the leaflets irregularly acute-dentate or 

 incised 1. P. diversifolia 



IB. Fruit narrowly ovoid, 2.5-3 mm. long, glabrous; cauline leaves 5-9 foliolate; the leaflets often ternately cleft to divided, coarsely and 

 acute-dentate 2. F. thellungiana var. gustavohegiuna 



1. Pimpinella diversifolia DC. P. sinica Hance; Platy- 



raphe japonica Miq. Mitsubagusa. Stems erect, 80-100 



cm. long, terete, branched, with short whitish hairs; lower 

 cauline leaves simple or 3-foliolate, petiolate, sparsely short- 

 pubescent, the leaflets herbaceous, orbicular-cordate, obtuse or 

 rounded, 4-7 cm. long and as wide, cordate to truncate at 

 base, irregularly acute-dentate or incised, the upper leaves ses- 

 sile, the leaflets ovate or broadly so, acute, deeply lobed, the 

 terminal one slightly larger than the others, 3-7 cm. long, 2-4 

 cm. wide, the lateral leaflets sessile; umbels rather numerous, 

 short-pubescent, the involucral bracts solitary or none, the rays 

 about 10, 1.5-2 cm. long, the umbellets about 10-flowered, the 

 involucel of few, linear, small bractlets, the pedicels about 5 

 mm. long; flowers white; fruit broadly ovoid, short-pubescent, 



1.5 mm. long, the styles short, about 0.5 mm. long. Aug., 



fruiting Sept. Kyushu. China and n. India. 



2. Pimpinella theUungiana H. Wolff var. gustavo- 



hegiana (Koidz.) Kitam. P. magna sensu auct. Japon., non 

 L.; P. gustavohegiana Koidz.; P. theUungiana sensu auct. Ja- 

 pon., non H. Wolff Tsukushi-bofu. Stems terete, erect, 



branching, 30-80 cm. long, densely white-puberulent; radical 

 and lower cauline leaves petiolate, 8-20 cm. long, oblong- 

 ovate, the leaflets 5-9, sessile, broadly ovate, obtuse to rounded, 

 2-3.5 cm. long, 1.5-3 cm. wide, often ternately cleft or divided, 

 coarsely acute-dentate, loosely puberulent on upper side, 

 densely so beneath, the upper leaflets 3 or 5, sessile; umbels 

 few, glabrous, pedunculate, the rays 10-15, 2.5-3 cm. long, 

 nearly smooth, the involucre and involucel lacking; flowers 

 crowded, rather numerous, the pedicels 5-8 mm. long, sub- 

 erect, somewhat flattened; fruit narrowly ovoid, 2.5-3 mm. 

 long, glabrous, the styles spreading obliquely, slender, about 



1.2 mm. long. Aug. Mountains; Kyushu (Bungo). 



The typical phase occurs from Dahuria to China and Formosa. 



