SPECIES AND VAIUETIES. 249 



rubbed; lowest leaves once or twice pinnate, with broadly- 

 ovate or cuneate, deeply cut segments, the others more divided, 

 with linear segments ; umbels terminal, of 5-8 rays, without 

 general involucre, and only a few small slender bracts to the 

 partial ones; flowers white, the outer petals larger. — A weed 

 of cultivation. Fl. June. 



(125) Conium. Hemlock. 



C. maculatum : annual or biennial ; stem erect, branching, 

 3-5 feet high, smooth, glaucous, spotted, emitting a nauseous 

 smell when bruised ; leaves large, much divided into numerous 

 small ovate or lanceolate deeply-cut segments; umbels ter- 

 minal, of 10-15 rays; bracts short, lanceolate, those of the 

 general involucre variable in number, those of the partial ones 

 almost always three, turned to the outside of the umbel. — 

 Hedges and borders of fields, etc. Fl. June, July. 



(126) Smyrnium. Alexanders. 



S. Olusatmm : annual or biennial ; stems coarse, erect, 2-4 

 feet high, glabrous ; lower leaves twice or thrice, upper ones 

 once temate, the segments broadly ovate, coarsely toothed or 

 three-lobed ; umbels terminal, of 8-12 rays ; flowers greenish 

 yellow, crowded in the partial umbels ; fruits black, aromatic. 

 — Meadows and waste places. Fl. May, June. 



(127) Scandix. Shepherd's-needle. 



S. Pecten : annual ; stem branching, erect, or spreading, 

 4-1 foot high, hairy; leaves twice or thrice pinnate, with 

 short segments cut into linear lobes ; umbels terminal of 2-3 

 rays, without general involucres ; partial involucres of several 

 lanceolate bracts, often 2-3 lobed at the top; flowers small 



