each rib. .Styli-podium Loiiical, with loii;^ ;in(l rcciii\c"! st\ k-><. 

 Oil-tubes ] to ") in tiic inlciv als, 4 t<« !S on the cointiiissiiial side, 

 and a small t^Moiip in the {jarciuhyma of the eoniniissnral sulcus. 

 Seed-face broadK coiicaxe, with a central lont^it iidinal rid<^e. 



(.')i. Fruit with concave secd-fiuc. no oil tiilios. coiijciil or lU-prcsfcit'il 

 styiopodiuin, and obsoU'te or filiform rilis. 



•{8. AnthriscuS. Calyx-teeth obsolete. Fruit linear, 

 notched at base, loni;-bcaked (in ours), j^jlabrous. Carpel uithont 

 ribs, lint beak ribbed; pericarp thin, w-tli neither stienn;lheninL;- 

 cells noi- oil-lube^. St\ lopodinui conical. Seed-face sulcalc. 



8i). Bupleurum. Cal\N-teeth obsolete. I'rnit oblonj^, with 

 rather broad commissure. Carpel w ilh e(pial \eiy slender oi- 

 ]>romiiieiit ribs, each, w ith a very small j^roup of strcnLithenin;^ 

 cells. Stylopodium piomincnt and Hat. Oil-tubes wantyig or 

 continuous about seed-ca\ it\ . Seed-face plane or somewhat con- 

 cave. 



t t Ciupels terete oi slightly liiilteiie<i laterally. 



(1). Fruit linear- oblong, with coupuve seed-face, conical styktpodiutu, 

 and prominent strengthening cidls. 



4(1. Chaerophyllum. Calyx-teeth obsolete. Fruit nar- 

 rowly oblonj;- to linear, notched at base, with short beak or none. 

 Carpel with equal ribs, each with a lar_ue <4rou[) of strengthening 

 cells usually occupying the whole thickness of the thick pericarp. 

 Styles short. Oil-tubes small, mostlv solitary in tJie intervals, 2 on 

 the commissural side. .Seed-face more or less decpK' sulcate. 



41. Osmorhiza. Calyx-teeth obsolete. Fruit linear to 

 linear-oblong, more or less attenuate at base, acute abo\ e, glabrous 

 or bristly on the ribs. Carpel slightly Hattened dorsally or not at 

 all, nearly pentagonal in section, with etjual ribs, thin pericarp, 

 and a well defined group of strengthening cells beneath each ril). 

 Stylopodium sometimes depressed; styles long or short. Oil-tubes 

 obsolete in mature fruit (often numerous in young fruit ). Seed- 

 face from slightly concave to deeply snlcate. 



i2i. Fruit with concave seed-face and deprt>ssed stylopodium. 

 (a .1 ()il-tult«s luunerous. 



42. Velaea. Calyx-teeth obsolete or prominent. Fruit 

 oblong to orbicular, glabrous or pubescent. Carpel somewhat 



