— 54 — 



Lower, 6 — 7 cm. high. Cauline le- 

 aves narrow. Bractlets smaller, m.ostly 

 purple. . B, triradiatum ajanense. 

 -{--[-From 40 to 60 cm. high. Leaves with not promi- 

 nent nervation; marginal nerves none. Cauline leaves 

 mostly 6 oblong elongated broader at the apex acute, 

 upper ones with about 20 — 25 nerves reticulated. 

 Eays 6 — 8 slender capillary, very elongated: 4 — 7 cm. 

 Bractlets 5 -green or greenish. Pedicels elongated 



capillary. Styles very short or none 



B. nipponicum. 



§§ Stem upwards branched c:a 1 — 1,5 m. high. Upper le- 

 aves widened close to the base: cordate, basal ones very 

 broad: ovate orbicular, rarely broadly oblong. Secondary 

 transverse parallel nerves very numerouse and clearly 

 conspicous, axidrome ones none or indistincte. Bractlets 

 small: linearlanceolat or ovate acute or acuminate, green, 

 usually very much shorter than the umbelluls, each with 

 1 — 3 nerves. Fruits with obtuse or inconspicous ribs. . . 



B. longiradiatum. 



2 Pedicels very elongated much longer than very mi- 

 nute small bractlets. Rays elongated 



B. longiradiatum genuinum. 



99 Pedicels short: about as long as the broader bractlets 

 or shorter as ones. Rays shorter somewhaut stout 

 angular . . . . B. longiradiatum breviradiatum. 

 §§§ Stem branched c:a 0,3 — 1 m. high. Upper leaves nar- 

 rowed at the base: more or less cuneate, not cordate or 

 ear-shapped, basale ones linear or lanceolate, oblong. 

 Secondary transverse nerves wanting or obscure; axidrome 

 branched nerves only conspicous. Bractlets narrow linear, 

 rarely lanceolate, acuminate, green, with 1 (3) nerves. 



Fruits with thik prominent ribs 



B. falcatum scorzonerifolium. 



X Frutescent, very stout and tall [Leaves narrow 

 elongated]. . . . , 



, . . . B. falcatum scorzonerifolium Komarowi. 



