Umbelliferae 



685 



lA. Stems 50-80 cm. long, leafy, rather stout and branched above; leaves ratlicr large, 10-30 cm. long; leaflets thin and herbaceous, ovate, 

 coarsely dentate, 3-6 cm. long; rays 4-7 1-0. sieboldii 



IB. Stems 15-30 cm. long, slender; leaves smaller; leaflets 1-3 cm. long, rather thick, dissected into broadly linear segments 2-3 mm. 

 wide; rays 7-15 2. 0. florenti 



1. Ostericum sieboldii (Miq.) Nakai. Peucedanum sie- 

 boldii Miq.; Angelica miqueliana Maxim.; 0. miqtielianum 



(Maxim.) Kitag. Yamazeri. Glabrous perennial herb 



with short thick rhizomes and few thickened roots; stems 

 erect, branched, rather stout, 50-80 cm. long, leafy; leaves 

 long-petiolate, deltoid in outline, 10-30(-40) cm. long, 2 or 3 

 times ternately pinnate, the leaflets thin, sessile or short-peti- 

 olulate, ovate to broadly so, i-d cm. long, glabrous or nearly 

 so except on the margin, coarsely dentate, acute to acuminate, 

 cuneate to rounded at base, rarely 2- or 3-fid, the upper leaves 

 reduced, their sheaths broadly oblanceolate to narrowly ob- 

 long; umbels several, the peduncles beneath the umbels and on 

 the inner side of the rays and pedicels very slightly papillate- 

 puberulent, the rays 4-7, 1.5-3 cm. long, the involucral 

 bracts few, lanceolate or lacking, the bractlets of the involucel 

 several, narrowly lanceolate, thinly membranous on the mar- 

 gin, as long as the pedicels, the pedicels 15-20, slender, 5-10 

 (-12) mm. long; fruit elliptic, glabrous, emarginate at both 

 ends, 3.5^ mm. long, the dorsal ribs slender, the lateral ribs 

 extended into a broad wing, the calyx-teeth small, erect, the 



stylopodium minute, as broad as the style. July-Oct. 



Mountain woods; Honshu, Shikoku, Kyushu; common. 



Korea, Manchuria, and n. China. 



2. Ostericum florentii (Fr. & Sav.) Kitag. Angelica flo- 



rentii Fr. & Sav. Miyama-ninjin. Glabrous perennial 



with short slightly thickened rhizomes and slender stolons; 

 stems erect, 15-30 cm. long, slender, few-leaved; radical and 

 lower cauline leaves petiolate, deltoid- to broadly ovate in out- 

 line, 2 or 3 times pinnate or ternately pinnate, the leaflets 

 rather thick, ovate to broadly so, 1-3 cm. long, dissected into 

 broadly linear segments, 2-3 mm. wide, entire or sometimes 

 3-fid, acute, scaberulous on the margin, the upper leaves re- 

 duced, with an oblong or narrowly oblong inflated sheath; 

 umbels, inner side of rays, and pedicels slightly papillate- 

 puberulent, the rays 7-15, ascending, 1.5-3 cm. long, the in- 

 volucral bracts 1-4, membranous, dilated at base, shorter than 

 the rays, linear, the bractlets of the involucel about 10, linear- 

 filiform, shorter to slightly longer than the flowers, the pedi- 

 cels 20-30, 5-10 mm. long; fruit broadly ovate-elliptic, flat, 

 glabrous, 5-6 mm. long, emarginate at base, the dorsal ribs 

 slender and rather prominent, the lateral ones extended into 

 a broad wing, die calyx-teeth minute, the styles slightly longer 



than the stylopodium. Aug.-Sept. Mountains; Honshu 



(Kanto and centr. distr.). 



30. PEUCEDANUM L. Kawara-b6fu Zoku 



Perennials, frequently pilose; leaves ternately or pinnately compound, the ultimate segments often dentate; umbels compound, 

 the rays numerous, the involucre and involucel of few small bracts and bractlets or these lacking; flowers white, sometimes yellow; 

 calyx-teeth minute or obsolete; petals obovate or cuneate, incurved and refuse at apex, the stylopodium usually small, undulate 

 on margin; fruit ellipdc, strongly compressed, the carpels slightly convex on the back, the dorsal ribs filiform to rather thick, 

 the lateral ones rather thick and extended into a wing, the wings of the two carpels appressed, the vittae l(-3) in the intervals; 



seeds flattened, slightly convex on the back, the seed-face flat or slightly concave. About 160 species, in temperate regions of 



the N. Hemisphere of the Old World, and Africa. 



lA. Stout maritime plants, slightly glaucous, bluish green; leaves 20-60 cm. long, twice or thrice ternately pinnate, rather thick; leaflets 



obovate-cuneate, with coarse teeth on margin near tip; fruit puberulent \. P. japoniciim 



IB. Plants of lowlands or mountains, often rather large, green; leaves 5-20 cm. long, once or twice ternate or ternately pinnate, rather 

 thin; leaflets ovate, ovate-orbicular or rhombic-ovate, usually dentate at least on the upper half; fruit glabrous. 

 2A. Cauline leaves several, ternately pinnate; leaflets broadly ovate to deltoid, pinnatilid and incised, the upper sheaths narrow, not in- 

 flated; umbels few to numerous, the involucel of 4—12 filiform-linear bractlets, shorter than to as long as the pedicels; fruit 



broadly ovate-elliptic, about 3.5 mm. long; styles about 0.5 mm. long 2. P. terebinthacetim 



2B. Cauline leaves few, ternately compound; leaflet elliptic or obovate, incised or coarsely dentate, often 2- or 3-lobed, the upper sheaths 

 inflated; umbels 1-3, the involucel absent; fruit oblong, 8-10 mm. long; styles about 2 mm. long 3. F. miiltiriltatum 



1. Peucedanum japonicum Thunb. Botan-bofu. 

 Stout bluish green, glaucous herb, glabrous in lower part, 

 short-pubescent in the upper part, with thick roots and short 

 rhizomes; stems branched, 60-100 cm. long, solid, fibrous at 

 base; leaves rather thick, long-pedolate, 20-60 cm. long, twice 

 or thrice ternately pinnate, the leaflets obovate-cuneate, 3-6 

 cm. long, obtuse with a minute mucro at apex, often 3-lobed, 

 irregularly deeply dentate, widi coarse teedi on upper margin, 

 the veinlets reticulate with free veinlets in each net, the upper 

 leaves reduced, with a membranous, uninflated sheath; umbels 

 numerous, on rather short peduncles, the rays 10-20, some- 

 what flattened, ascending, 2-3.5 cm. long, densely puberulent 

 especially on the inner side, the involucre absent, the involucel 

 of few to about 10 lanceolate bractlets as long as to shorter 

 than the pedicels, the pedicels 20-30, slightly longer than the 



fruit; fruit elliptic, puberulent, 4-5 mm. long, the dorsal ribs 

 slender and filiform, the lateral narrowly winged, the vittae 

 3-4 in the intervals, 8 on the commissure, the styles short and 



slender, as long as the stylopodium. July-Sept. Sandy 



places near seashores; Honshu (Kanto Distr., Kaga Prov. and 

 westw.), Shikoku, Kyushu; rather common. China, For- 

 mosa, and Philippines. 



2. Peucedanum terebinthaceum (Fisch.) Fisch. ex 

 Turcz. Selinum terebinthaceum Fisch. ex Trevir.; P. dcltoid- 

 etim Makino; P. terebinthaceum var. deltoideum (Makino) 



Makino Kawara-bofu, Yama-ninjin. Rhizomes short, 



fibrous at the apex, with slightly branched, rather thick roots; 

 stems erect, branched, leafy, glabrous, 30-80 cm. long; leaves 

 petiolate, 5-10 cm. long, acute, broadly ovate in outline, ter- 

 nately pinnate, glabrous, the leaflets broadly ovate to deltoid, 



