254 DICOTYLEDONS. UMBELLIFER.32. 



22. CHyEROPHYLLUM. 



Partial involucre of about 5, reflexed, concave leaves, fruit 

 linear-oblong, glabrous, smooth or striated. 



* Fruit smooth (not striated] . 

 1. Ch. sylvestre, stem a little swelling below each joint glabrous, 



umbels on long stalks, p. 93. Hedges, &c. 

 2.Ch.sativum, umbels lateral sessile, fruit a little swelling below. 



p. 93. Hedges and about gardens. 



** Fruit striated. 



3. Ch. temulentum, stem rough (spotted) swelling below each 

 joint, p. 93. Hedges. 



4. Ch. odoratum, seeds deeply sulcate (very large), p. 93. Or- 

 chards, &c. 



5. Ch. aureum, pubescent, stems slightly swelling below the joints, 

 leaflets very acuminate inciso-pinnatifid, seeds coloured fur- 

 rowed, p. 94. Fields, rare. 



6. Ch. aromaticum, leaflets ovato-oblong subacuminate serrate 

 undivided, p. 94. Road-sides, rare. 



23. IMPERATORIA. 



Fruit nearly elliptical, compressed, bordered, swelling in the middle 

 with 3 ribs on each side. 



1. I. Ostruthium. p. 94. Near old buildings, in waste places. 



C. Umbels without involucres', rarely general, never partial ones. 

 24. SMYRNIUM. 



Petals acute, keeled, incurved. Fruit ovato- globose, gibbous. 

 Seeds (Akenia) reniform, angular. 



1. S. Olusatrum, cauline leaves ternate petiolate serrate, p. 94. 

 Waste places near the coast. 



25. CARUM. 

 Gen. involucre of 1 or very few leaves. Petals inflexo-emarginate. 



Fruit ovato-oblong, striated. 

 1. C. Carui. p. 95. Pastures and rocks. 

 26. PIMPINELLA. 

 Pe/a/sinflexed. Stigmas suhg\obose. Fruit ovato-oblong, striated. 



1 . P. Saxtfraga, radical leaves pinnate, leaflets roundish sharply 

 serrate, those of the stem bipinnatelinear.p.95. Dry pastures. 



27. APIUM. 

 Petals uniform. Fruit roundish, ribbed. 



