25 
each rib. Stylopodium conical, with long and recurved styles. 
Oil-tubes 1 to 5 in the intervals, 4 to 8 on the commissural side, 
and a small group in the parenchyma of the commissural sulcus. 
Seed-face broadly concave, with a central longitudinal ridge. 
(5). Fruit with concave seed-face, no oil-tubes, conical or depressed 
stylopodium, and obsolete or filiform ribs. 
B8. Anthriscus. Calyx-teeth obsolete. Fruit linear, 
notched at base, long-beaked (in ours), glabrous. Carpel without 
ribs, but beak ribbed; pericarp thin, with neither strengthening 
cells nor oil-tubes. Stylopodium conical. Seed-face sulcate. 
39. Bupleurum. Calyx-teeth obsolete. Fruit oblong, with 
rather broad commissure. Carpel with equal very slender or 
prominent ribs, each with a very small group of strengthening 
cells. Stylopodium prominent and flat. Oil-tubes wanting or 
continuous about seed-cavity. Seed-face plane or somewhat con- 
cave. 
f t Carpels terete or slightly flattened laterally. 
(1) . Fruit linear- oblong, with concave seed-face, conical stylopodium, 
and prominent strengthening cells. 
40. Chaerophyllum. Calyx-teeth obsolete. Fruit nar- 
rowly oblong to linear, notched at base, with short beak or none. 
Carpel with equal ribs, each with a large group of strengthening 
cells usually occupying the whole thickness of the thick pericarp. 
Styles short. Oil-tubes small, mostly solitary in the intervals, 2 on 
the commissural side. .Seed-face more or less deeply sulcate. 
41. Osmorhiza. Calyx-teeth obsolete. Fruit linear to 
linear-oblong, more or less attenuate at base, acute above, glabrous 
or bristly on the ribs. Carpel slightly flattened dorsally or not at 
all, neaidy pentagonal in section, with equal ribs, thin pericarp, 
and a well defined group of strengthening cells beneath each rib. 
Stylopodium sometimes depressed; styles long or short. Oil-tubes 
obsolete in mature fruit (often numerous in young fruit). Seed- 
face from slightl 3 ^ concave to deeply sulcate. 
(2) . Fruit with concave seed-face and depressed styiopodium. 
/ 
(a.) Oil-tubes numei’ous. 
42. Velaea. Calyx-teeth obsolete or prominent. Fruit 
oblong to orbicular, glabrous or pubescent. Carpel somewhat 
