696 _ Unmbelliferae. 
— Sium crassipes Spreng. System. IV, p. 120. — A glabrous plant, 
creeping and rooting at the base like the last, but much smaller 
and more slender, and often half-immersed in water, when the sub- 
merged leaves are divided into capillary segments. Flowering stems 
12—16 cm high, with small ternate or pinnate leaves; the segments 
3-toothed or 3-lobed, each lobe again often 3-toothed. Umbels on 
short peduncles opposite the leaves, as in H. nodiflorum, but generally 
of 2 or 3 rays only, without involucre; the partial umbels of 5 or 
6 small flowers, with 2 or 3 minute bracts. — Flow. March to April. 
N. d. Alexandria. 
Also known from Southern aud Middle Europe. 
384. (7.) Petroselinum Linn. 
Calyx-teeth obsolete. Fruit ovate, laterally compressed, nearly 
twin. Ribs of mericarps 5, filiform, equal, the lateral at margin. 
Stylopodium short-conical. Intervals with 1 oil-tube. Carpophore 
2-parted. Inner face of the albumen flat. — Monocarpic herbs, with 
yellowish-green or reddish flowers. 
A small genus widely spread over the whole World. 
984. Petroselinum sativum Hoff. Gen. Umbell. I (1814), p. 78 
tab. I fig. 7. — Boiss. Flor. Or. U, p. 685. — Aschers.-Schweinf. Ill. 
Flor. d’Eg., p. 80. — Petroselinum hortense Rchbch. Ic. XXI, tab. 16 
fig. I. — Apium Petroselinum L. Spec. Plant. I, p. 379. — An annual 
plant 20—60 cm high, or more. Glabrous; stem erect, branching. 
Leaves triangular in outline, the lower ones 2-pinnatisect into ovate- 
cuneate, incised-dentate segments, the upper ones trisect into lan- 
ceolate-linear, entire leaflets, or entire, linear. Umbels peduncled, 
with numerous, equal rays. — Flow. March to April. 
M. ma. M. p. N. d. N.f. N. v. O. D. a. sept. Cultivated every- 
where, and escaped from cultivation. 
Local name: maqdtinis; baqdinis. 
Also known from Algeria, Tunisia, Middle Europe and Syria. 
385. (8.) Pithyranthus Viv. 
Calyx-teeth obsolete. Fruit ovate or orbicular, laterally flattened. 
Ribs of mericarps filiform, nearly obsolete. Stylopodia conical, with 
somewhat wavy margin. Intervals with one vitta. Carpophore 
2-parted. Seed nearly terete. — Much branched, rigid, perennial, 
desert herbs, with whitish, leafless stems, and white or yellowish- 
green petals. 
A small genus in the Mediterranean region. 
