Helosciadium. | “UMBELLIFERAE (Sond.) : 535 
vittate, the outer frequently 2-3-vittate. Carpophore undivided. Seeds 
gibbous, convex, flattish in front. DC.l.c. p. 100, Nees ab Esenb. 
Gen. pl. Germ, fasc. 26, t. 7. Endl. Gen. n, 4393. 
Herbaceous. Stem furrowed, branched. Leaves pinnate, leaflets cuneiform, cut. 
Umbels nearly sessile, on axillary branchlets, or at the apex of the stems. Involucre 
and involucel wanting. Flowers greenish-white. Name from Apone, Celtic for — 
water ; habitation of plants. 
1. A. graveolens (Linn. Spec. 379); glabrous; leaves pinnate, upper 
ones ternate, leaflets cuneate, incised and toothed at the apex; petals 
with the point closely involute. Hngl. Bot. t, 1210. Hayn. Arm. Gew. 
7,t.24. A. graveolens et decumbens, L. & Z.! 2190, 2191. Smyrnium 
laterale, Thunb.! Fl. Cap. 259. Helosciadiwm Ruta, DC.1.c. 106? Zeyh. 
267¢. Drege, 9544- 
Has. On the sea-shore near Rietvalley, Algoabay, Zwartkopsriver, Albany, Port 
Natal. Dec.-Feb. (Herb. Thunb. Hk. D. Sd.) 
The wild state of the celery is usually smaller and more decumbent than the plant 
in cultivation. The specimens from South Africa agree perfectly with those from 
the sea-shore of Germany. 
V. PETROSELINUM, Hoffm. 
Margin of the calyx obsolete. Petals roundish, incurved, entire, 
scarcely emarginate, with a narrow incurved point. Stylopodium short, 
conical, subcrenulate. Styles diverging. Fruit ovate, laterally com- 
pressed, subdidymous. Mericarps with 5-filiform equal ridges, the 
lateral marginal. Furrows with single vitte. Commussure bivittate.. 
Carpophore bipartite. Seeds gibbous, convex, flattish in front. DC. J. 
c. 102. Nees ab Esenb. l. ¢. t. 8. Endl. Gen. n. 4394- 
Branched, glabrous herbs. Leaves decompound, with cuneated segments. In- 
volucra few-leaved ; involucels many-leaved. Flowers white or greenish, uniform : 
those in the disc of the umbel frequently sterile. Name from werpos, a rock, and 
ceAwor, parsley. 
1, P. sativum (Hoffm. Umb. 78, t. 1, f. 7); stem erect, angular ; leaves 
decompound, shining ; lower leaflets ovate, cuneate, trifidly toothed ; 
upper ones lanceolate, nearly entire; leaves of involucel filiform. 
Apium Petroselinum, Linn. Hayn. Arg. Gen. 7, t. 23. 
Has. In cultivated grounds, naturalized from Europe. “ Parsley.” 
VI. HELOSCIADIUM, Koch. 
Margin of calyx 5-toothed, or obsolete. Petals ovate, entire, with a 
straight or incurved apiculus. Fruit ovate or oblong, compressed from 
the sides. Mericarps with 5 filiform, prominent, equal ridges, the lateral 
margi Furrows with single vitte. Carpophore distinct, entire. 
Seeds gibbously or teretely convex, flattish in front, Nees ab Esenb, 1. 
c. t, 10. Endl. Gen. n. 4397- : 
Herbs with prostrate creeping stems and white flowers. Name from éXos, & 
marsh, and axadioy , an umbel. ‘ 
‘ ANALYSIS OF THE 8. AFRICAN SPECIES. 
Glabrous, perennial, prostrate; fruit glabrous ... ...... ... (1) repens. 
Hairy, annual, erect ; fruit hairy wah: coewl <peneeeeees ey Vapeene. 
A 
