136 37. UMBELLIFER&. 
white. Petioles thick, semiterete, channeled.—On waste ground, 
very rare. P. VII. VIII. 
Tribe IV. Amminee. 
5. Crcuta Linn. 
1. C. virosa (L.); fibres of the root filiform, 1. tripartite, 
leaflets linear-lanceolate acute serrate decurrent.—E. B. 479.— 
St. 3—4 feet high, very thick round and hollow below. Lower 
1. on long stalks; leaflets 1—2 in.long. Umbels large; general 
inv. 0, or of 1 or 2 slender leaflets; partial of numerous subulate 
leaflets. Fl. white. Herb poisonous.—Ponds and ditches, not 
common. P.VII.—VIII. Water Hemlock. Cowbane. 
6. Aprum Linn. 
1. A. graveolens (L.); glabrous, 1. pinnate or ternate, leaflets 
of the upper l. wedgeshaped and notched at the end.—E. B. 
1210,.—St. 1—2 feet high, branched, furrowed, leafy. Umbels 
terminal or lateral, frequently almost sessile, accompanied by 1 
or 2 termate leaves. FI. small, white——Marshes and ditches, 
especially near the sea. P.VI—VIII. Celery. 
7. PerroseLinum Hoff. 
tl. P. sativum (Hoffm.); /. tripinnate shining, leaflets of the 
lower 1. ovate-cuneate trifid and toothed, of the upper 1. ternate 
lanceolate entire.—E. B. S. 2793.—Partial involucres filiform. 
L. greenish.—Rocks and old walls. B.VI.—VIII. Parsley. 
2. P. segetum (Koch); lower J. pinnate, leaflets nearly sessile 
ovate lobed and serrate, upper 1. entire or trifid—Sison Sm., 
E. B. 228.—Umbels very irregular. General inv. of 1—2 leaves. 
Fl. whitish. St. erect, roundish, nearly leafless above, 1— 13 foot 
high, wiry.—Damp calcareous fields and near the sea. B. VIII. 
IX. 
8. TrintA Hoffm. 
1. T. vulgaris (DC.); glabrous, inv. 0 or of 1 leaf, ridges of the 
fr. obtuse.—Pimpinella dioica Sm., E. B. 1209.—L. tripinnate, 
glaucous-green ; Its. linear or filiform. Root crowned with the 
remnants of former leaves. St. branched, erect, 6—8 in. high. 
Dicecious.—Dry limestone hills, rare. P. V. VI. : 
9. Hexosciapium Koch. 
1. H. nodiflorum (Koch); st. procumbent at the base and 
rooting, 1. pinnate, leaflets ovate or ovate-lanceolate unequally 
obtusely serrate, umbels opposite to the 1. longer than their pe- 
