686 



Umbelliferae : Cornaceae 



3-5 cm. long, acute with a mucro at apex, decurrent to a 

 narrowly winged base, somewhat pinnately cleft and again 

 incised, witli a few acute teeth, the upper leaves reduced, their 

 sheaths narrowly oblanceolate, not inflated; umbels few to 

 numerous, the rays 10-15, 1-2.5 cm. long, slightly papillate- 

 puberulent on the inner side and on the pedicels, the involucral 

 bracts l(-2) or lacking, the involucel of 4-12 filiform-linear 

 bractlets, slightly shorter than to as long as the flowers, the 

 pedicels 20-30, 5-10 mm. long; fruit broadly ovate-elliptic, 3-4 

 mm. long, glabrous, the dorsal ribs low and slender, filiform, 

 the lateral ones narrowly winged, the styles very slender, about 

 0.5 mm. long, the vittae solitary in the intervals, 2 on the com- 

 missure. Aug.-Sept. Hokkaido, Honshu, Shikoku, Kyu- 

 shu. e. Siberia, Manchuria, and Korea. 



3. Peucedanum multivittatum Maxim. Hakusan-bofu. 

 Glabrous perennial herb with thick, short nonfibrous rhi- 

 zomes with thickened roots; stems erect, simple or sparingly 

 branched, fistulose, few-leaved, often pilose on the nodes; radi- 



cal and lower cauline leaves long-petiolate, deltoid to broadly 

 ovate in outline, 5-8 cm. long, once to sometimes twice ter- 

 nately compound, the leaflets narrowly ovate to obovate-orbicu- 

 lar, 3-5 cm. long, obtuse to acuminate, often 2- or 3-lobed, in- 

 cised or coarsely dentate, glabrous, the upper leaves reduced, 

 often with narrow leaflets, their sheaths obovate or elliptic and 

 inflated; umbels 1-3, the peduncles, inner side of rays, and 

 pedicels brownish short-pubescent, the rays 8-15, 3-5 cm. long, 

 the involucre and involucel absent, the pedicels 10-20, 1-1.5 

 cm. long; fruit oblong, glabrous, 8-10 mm. long, the dorsal 

 ribs low, filiform, the lateral ones narrowly winged, the vittae 

 numerous, slender, the calyx-teeth broadly lanceolate to nar- 

 rowly ovate, minute, the styles slender, 1.5-2 mm. long. 



Aug., fruiting Oct. Alpine slopes; Hokkaido, Honshu (centr. 



distr. and northw.). Forma linearilobum (Tatew.) Ohwi. 



P. multivittatum var. linearilobum Tatew. Ezo-no-haku- 



SAN-BOFU. Leaflets dissected and cut into broadly linear 

 lobes. 



31. HERACLEUM L. 



Hana-udo Zoku 



Pubescent perennials; leaves pinnately or ternately compound, the leaflets often large, dentate; umbels usually large, the in- 

 volucre lacking or of few bracts, the involucel of numerous bractiets, the calyx-teeth usually inconspicuous, the petals cuneate or 

 rhombic, white, rarely yellow, usually unequal, inflexed and bifid to emarginate at apex, the stylopodium conical or minute; 

 fruit orbicular, obovate or elliptic, much flattened, glabrous or pubescent, the carpels flat with very slender dorsal ribs and 

 broadly winged lateral ones, the vittae usually solitary in the intervals, clavate, shorter than the carpels, the carpophore 2-parted; 

 seeds with a flat face. About 60 species, in temperate, regions of the N. Hemisphere. 



lA. Leaves 3-foliolate; stems 1-2 m. long; high mountains \. H. dulce 



IB. Leaves 3- to 5-foliolate; stems 70-100 cm. long; usually in low mountains and in lowlands 2. H. moellendorffii 



(Hance) Hara Hana-udo. Resembles the preceding, 



die stems shorter, 70-100 cm. long, usually loosely pubescent; 

 radical and lower cauline leaves petiolate, large, pinnately 



1. Heracleum dulce Fisch. H. lanatum sensu auct. Ja- 

 pon., non Michx.; H. lanatum subsp. asiaticum Hiroe; H. la- 

 natum var. asiaticum. (Hiroe) Hara O-hana-udo. Stems 



stout, fistulose, 1-2 m. long, pubescent or nearly glabrous, 

 branched above; radical and lower cauline leaves long-petio- 

 late, large, pinnately 3-foliolate, the leaflets broadly ovate- 

 cordate to broadly ovate, 20^0 cm. long, paler beneath, gla- 

 brous or usually pubescent, cordate to rounded at base, 2- or 

 3-cleft, the lobes acuminate and shallowly 2- or 3-lobed, incised, 

 and acutely dentate, the upper leaves reduced, with inflated 

 sheaths; umbels rather numerous, large, the rays 20-30, pubes- 

 cent on the inner side, 8-12 cm. long, the involucre absent, 

 the involucel of several narrowly lanceolate, filiform-attenuate 

 bractlets shorter than the pedicels, the pedicels slender, un- 

 equal, 5-25 mm. long; flowers rather large, white, the petals 

 unequal; fruit strongly flattened, broadly obovate, glabrescent, 

 7-8 mm. long, the dorsal ribs filiform, the lateral ones broadly 

 winged, the vittae linear-oblanceolate, solitary in the intervals, 

 2 on the commissure, the styles 1.5-2.5 mm. long, the stylo- 

 podium conical. June-Aug. Grassy high mountain slopes; 



Hokkaido, Honshu; rather common. Alaska, Aleutians, 



Kamchatka, Kuriles, and Sakhalin. 



2. Heracleum moellendorffii Hance. H. lanatum sensu 

 auct. Japon., pro parte, non Michx.; H. inperpastum Koidz.; 

 H. nipponicum Kitag.; H. lanatum subsp. moellendorffii 



Fam. 155. CORNACEAE Mizu-ki Ka Dogwood Family 



Trees or shrubs, sometimes herbs; leaves opposite or alternate, simple; stipules absent or pinnatifid; flowers small, in panicles 

 or racemes, often capitate, perfect (or unisexual and the plants dioecious), actinomorphic; calyx-tube adnate to the ovary, the 

 limb 4- or 5-lobed or nearly entire; petals 4 or 5, rarely absent, imbricate or valvate in bud; stamens as many as the petals, 

 alternate with them, the anthers short, 2-locular, longitudinally dehiscent; disc nearly flat; ovary inferior, 1- to 4-locular; styles 

 simple or lobed; ovules pendulous, solitary in each locule, anatropous, with 1 integument; drupe 1- to 4-stoned, the endosperm 

 copious. About 15 genera, with more than 100 species, chiefly in the N. Hemisphere. 



3- to 5-foliolate, short-pubescent on the under side and on the 

 petioles, the terminal leaflets rounded-cordate, deeply 3-fid, the 

 lateral ones broadly ovate or deltoid-ovate, 2- or 3-fid, both 

 7-20 cm. long, the ultimate segments or lobes abrupdy acumi- 

 nate, incised and acutely dentate; imibels large, the rays 20-30, 

 7-10 cm. long, pubescent on the inner side, the involucre 

 lacking or of few bracts, the involucel of Unear-filiform bract- 

 lets, lanceolate at base, shorter than the pedicels, the pedicels 

 25-30, unequal, to 2 cm. long; fruit strongly flattened, nearly 

 glabrous, the carpels nearly the same as in the preceding 



species. May-June. Hills, low mountains and lowlands; 



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



Var. tsurugisanense (Honda) Ohwi. H. tsurugisanense 

 Honda; H. barbatum subsp. moellendorffii var. tsurugisanense 

 (Honda) Hiroe Tsurugi-hana-udo. A smaller moun- 

 tain phase. 



Var. akasimontanum (Koidz.) Ohwi. H. lanatum var. 



a\asimontanum Hara; H. a\asimontanum Koidz. Hosoea- 



HANA-UDo. A mountain phase with much-dissected leaflets 



and broadly linear ultimate segments. Honshu (Akaishi 



Mts.). 



