: 
Vor. I1.] CARROT FAMILY. 533 
33. APIUM L, Spell, 264. 1753. 
Annual or perennial glabrous herbs, with pinnate or pinnately compound leaves, and 
white or greenish-yellow flowers in compound umbels, Involucre and involucels present in 
some species, wanting in others. Calyx-teeth obsolete. Petals ovate, mostly inflexed at 
the apex. Stylopodium depressed, orshort-conic. Fruit ovate, or broader than long, smooth, 
or tuberculate. Carpels mostly with prominent ribs, somewhat 5-angled; oil-tubes mostly 
solitary in the intervals, 2on the commissural side. Seed terete, or nearly so. [Latin name 
of these or some similar plants. ] 
About 15 species, of wide geographic distribution. Besides the following, 2 or 3 others occur 
in the southern and western United States. 
Leaf-segments broad. 
Flowers yellow. 1. A. Petroselinum. 
Flowers white. 2. A. graveolens. 
Leaf-segments very narrow. 3. A. leptophyllum. 
1, Apium Petroselinum L. Common or Garden Parsley. Ache. 
(Fig. 2687.) 
Apium Petroselinum VW, Sp. Pl. 264. ag 
1753: i KO 
Petroselinum sativum Hoffm.Gen.Umb. Avy) BAY 
177. 1814. aS 
Erect, usually biennial, 1°-3° high, 
much branched, glabrous. Leaves bi- 
pinnate, triangular in outline, the seg- 
ments ovate, dentate, or incised, or 
those of the upper leaves linear-oblong 
and entire; umbels peduncled, 1/-214 
broad, axillary and terminal, 15-20- 
rayed; rays 5//-12’’ long; pedicels 
about 1%4’’ long; involucre of 2-4 
linear bracts; bractlets of the involu- 
cels subulate; flowers greenish yellow; 
fruit ovate, glabrous, about 2’ long, 
the ribs rather prominent when dry. 
Maryland to Ontario, escaped from cul- 
tivation. Introduced from Europe. Na- 
tive of the Mediterranean region. 
Leaves of some cultivated forms crisped. 
Summer. 
2. Apium gravéolensI,. Celery. 
Smallage. (Fig. 2688.) 
Apium graveolens I,. Sp. Pl. 264. 1753. 
Glabrous, stem erect, 1°-3° high, several- 
leaved. Leaves pinnate, the basal and 
lower ones long-petioled, the upper short- 
petioled, or nearly sessile; leaf-segments 3 
or 5, stalked, or sessile, thin, broadly ovate 
to oval, coarsely toothed and often incised; 
44/-134/ long; umbels opposite the leaves, 
and terminal, 3-7-rayed; involucre and in- 
volucels small, or none; flowers very small, 
white, very short-pedicelled; fruit oval, 
scarcely 1%4’’ long, the ribs somewhat 
winged; oil-tubes mostly solitary in the 
intervals and 2 on the commissural side. 
In waste places, escaped from cultivation 
in southeastern Virginia, and naturalized in 
salt marshes on the coast of California. Also 
in ballast about the seaports. Native of Eu- 
rope. Old English names Ache, Marsh Par- 
sley, Mile. May-July. 
