70 Umbelliferae. 



XII.— 6-/^^. 



Leaves pinnate, leaflets toothed, umbels compound, bracts and bracteoles 

 many, fruit ovoid or oblong with 5 somewhat blunt ridges and many vittge 

 between. 



Leaflets of stem leaves regularly serrate, . . . S. latifolium. 



Leaflets of stem leaves irregularly serrate, . . . S. angustifolium. 



Si'um latifo'lium {40). Broad-leaved Water- Parsnip. 7—8. Stem 5— 6 feet, 



(635) leaflets 6 — 10 pairs regularly serrate. [Nt. 



SrUM ANGUSTIFO'LIUM (76). Water-Parsnip. 7—8. Stem erect 



(636) I — 3 ft. high, leaflets of cauline leaves unequally lobed serrate. Wet 

 places. 



XUl.—CENANTHE. 



Fruit long surmounted by the long nearly straight styles, ribs blunt with 

 single vittse between. 



Leaflets of upper leaves few linear, 313 



Leaflets of upper leaves many broad, 314 



313 Stem hollow, CE. fistulosa. 



313 Stem nearly solid, CE. Lachenalii. 



314 Umbels terminal, CE. crocata. 



314 Umbels lateral, CE. Phellandrium. 



CENAN'THE FISTULO'SA (65). Water Dropwort. 7—9. Root 



(651) fibres slender, leaves pinnate, segments few narrow distant, stem 



2 — 3 ft. high, peduncles stout, whole plant remarkably fistular. Ditches. 



CENAN'THE CROCA'TA (89). Hemlock Dropwort. 7. Root fibres' 



(655) h. — f ii^ch thick, stem 2 — 5 ft. high stout much-branched fistular, 

 leaflets broad wedge-shaped cut. Marshes and ditches. 



CENAN'THE LACHENA'LII (70). Parsley Dropwort. 7—9. Root 

 (654) fibres cylindric, leaves bi-pinnate. Fresh and salt marshes. 



CENAN'THE PHELLAN'DRIUM (56). Fine-leaved Dropwort. 7—9. 



(656) Stem I — 4 ft. very stout erect creeping or floating, leaves bi- or tri 

 pinnate, segments finely cut capillary when submerged 



XIV.—CARUM. 



Leaves bi- or tri-pinnate, umbels compound, flowers white or yellow, fruit 

 ovoid or oblong, carpels 5-angled, ridges obtuse, vittae usually single between 

 the ribs. 



Ca'rum bulbocast'anum (4). Pignut. 6—7. Root a solitary tuber, leaves 

 (633) tri-pinnate, flowers white, involucre of a few fine bracts. [H. 



C. Carui (Caraway) and C. petroselinum (common parsley), cultivated in 

 gardens, are occasionally found in wasjte places. 



