Araliaceae; Umbelliferae 667 



curved prickles; leaves 10-30 cm. long and as wide, 5- to 9- mm. across; styles connate, 1.5-2 mm. long, rather slender, 



lobed, the lobes acuminate, minutely toothed, soon glabrous bifid at ape.x. July-.A.ug. Mountains; Hokkaido, Honshu, 



on upper side, usually pale-brown curled-pubescent, especially Shikoku, Kyushu; common. s. Kuriles, Sakhalin, Korea, 



on nerves beneath and with tufts of a.xillary hairs on the Manchuria, China, and Ussuri. 



ner\'es on lower side, truncate to cordate at base, the ped- Var. lutchuensis (Nakai) Ohwi. K. autumncilis Koidz.; 



oles 10-25 cm. long; inflorescence terminal on the current K. ricini folium var. lutc/niense 'Nakai; K. sal{aguchiana Koidz.; 



year's shoots, glabrous or nearly so, the main axis very short K. pictus var. lutchuensis (Nakai) Nemoto Miyako-dara, 



and obsolete, the branches few to more than 10, 8-15 cm. long, Ryukyu-harigiri. Southern glabrous phase. Kyushu. 



spreading, with few umbels at the apex, the bracts 1-2 cm. Ryukyus. 

 long, caducous, the pedicels 7-10 mm. long; fruit globose, 4-5 



Fam. 154. UMBELLIFERAE Seri Ka (Sankei Ka) Carrot Family 



Herbs, rarely more or less woody; stems usually fistulose, rarely solid; leaves alternate, usually prominently divided and 

 compound, the upper pedoles frequently embracing the young inflorescence with a dilated sheathlike base; flowers bisexual or 

 polygamous, in simple or compound umbels, sometimes capitate; calyx adnate to the ovary, usually 5-toothed; petals 5, valvate 

 or slighdy imbricate in bud, free, deciduous, often incurved at apex; stamens 5, alternate with the petals, the filaments incurved 

 in bud; ovary inferior, bilocular; styles 2, often slighdy accrescent, usually with a swollen base (stylopodium); ovules solitary 

 in each locule, pendulous; fruit dry, bilocular, separating into the 2 carpels, these usually suspended from the top of a slender 

 prolongation of the fruit axis called a carpophore, with 5 primary ribs and sometimes 4 intermediate or secondary ones, vittae 



(oil-tubes) often present; seeds with abundant endosperm and a small embryo. About 200 genera, with about 3,000 species, 



cosmopolitan. 



lA. Umbels simple or irregularly compound. 

 2A. Leaves simple, orbicular-cordate, usually palmately lobed or incised; carpels compressed laterally, without vittae. 



3A. Carpels 5-ribbed, without transverse veinlets; leaves with a pair of free stipules at base of petiole; involucral bracts small, or 



wanting 1 . Hydrocotyle 



3B. Carpels 7- to 9-ribbed, with transverse veinlets forming areoles; leaves without stipules; involucre conspicuous 2. Centdla 



2B. Leaves 3- to 5-parted or -divided, the segments or leaflets lobed; carpels essentially terete in cross section, with vittae. 



4A. Carpels densely prickly or tuberculatc; ovulate flowers sessile with prominent calyx-teeth 4. Sanicula 



4B. Carpels smooth; flowers more or less pedicellate, without evident calyx teeth 8. Cryptotaenia 



IB. Umbels regularly compound. 



5A. Fruit more or less compressed; carpels essentially terete in cross section. 



6A. Fruit densely prickly 7. Torilis 



6B. Fruit smooth, rarely loosely setose or tuberculate. 



7A. Carpels setose, caudate at base and decurrent on the pedicel 6. Osmor/iiza 



7B. Carpels not caudate or decurrent on the pedicel. 



8A. Flowers yellow; leaves simple, entire 3. Bupleiiriim 



8B. Flowers white or purplish; leaves lobed or dentate, usually compound. 



9A. Carpels 5-8 mm. long, with indistinct ribs 5. Anthrisciis 



9B. Carpels 2-5 mm. long, with distinct ribs. 



lOA. Umbellets small, 1- to 3-flowered, with very short, unequal pedicels; umbels regularly compound. .. 9. Plemopetalum 

 lOB. Umbellets many-flowered (at least more than 10-flowered). 



1 lA. Stylopodium prominent, conical to nearly subglobose, as long or longer than wide. 

 12A. Calyx-teeth prominent, deltoid, acute. 



13A. Carpels with slender, filiform ribs and numerous vittae; woodland plants 10. Spiiriopimpinclta 



13B. Carpels with thick, acute ribs and a solitary vitta at each interval; plants of wet, grassy places. 



23. Pterygopleuriim 

 12B. Calyx-teeth obscure or obsolete. 



I4A. Carpels subteretc in cross section, with thick ribs 11. Oenanthc 



14B. Carpels 5-angled, scarcely compressed, with very slender ribs. 



I5A. Vittae numerous; styles short 12. Pimpinclla 



15B. Vittae lacking; styles elongate 13. Aegopodiiim 



IIB. Stylopodium depressed, wider than long. 



16A. Carpels with slender, filiform ribs much narrower than the intervals; woodland plants 16. ChamaeU 



16B. Carpels with thick, more or less corky ribs often broader than the intervals; plants of wet places. 



17A. Styles very short, from a slender minute stylopodium; carpels with vittae solitary in the intervals; leaves simply 



pinnate 20. Apodicarpum 



17B. Styles rather short, from a broad, prominent but short stylopodium. 



18A. Leaves 2-4 times tcrnately pinnate; vittae solitary at the intervals 18. Cicuta 



188. Leaves simply pinnate; vittae numerous 19. Sium 



5B. Fruit terete or compressed dorsally in cross section; carpels scmiorbicular to strongly flattened dorsally, sometimes with winged lateral 

 ribs. 

 19A. Carpels scmiorbicular or lunate in cross section, the lateral ribs unwinged or all ribs with equal narrow wings. 

 20.'\. Stylopodium conical, as long or longer than wide; carpels with thickened ribs. 



21A. Small herbs, 10—30 cm. high (in ours); pericarp layers persistently adnate; carpel ribs obtuse 14. Cnidium 



21B. Rather stout herbs, 60-100 cm. high; pericarp layers separating; carpel ribs acute, almost winged 15. PUtirospermiim 



