Order 63.— UMBELWORTS. 219 



a Fruit flattened. Leaves roundish. Pennywort. IIydroco'tyle. 



a Fruit jrlobular. Lvs. linear. Fla. pedicelled. Height 1-2'. r. Crant'zia. 

 b Fruit clotlied with hooked prickles. Heads small, 2-4. c. Sanicle. Sanic'ila. i 

 b Fruit clothed with scales. Heads often near V thick. W. S. c. Eryn'ohm. 



c Umbels not radiate (§ 255, a, outer flowers not larger than the rest) d 



c Umb.rad., very large. Huge herbs, 4-8f. high. c. Cow Parsnip. Hkrac'levm. 

 d Leaves simple Itnear petioles without blades. S. Tiedmak'ma. 



d Leaves only once divided, pinnately or ternately e 



d Leaves twice or thrice compounded g 



e Fruit flattened or contracted, more or less, on the sides f 



e Fruit much flattened on the back. M. S. ArcUmore. Archemo'ra. 



f Leaflets 3, ovate, doubly serrate. Stem l-2f. high. Honewort. Ckyptot^'nia. 2 

 f Leaflets 3, long, linear, grass-like. Kare. S. Nervelenf. Neurophyl'lum. 



f Leaflets 5-11, lanceolate or lance-linear. 2-6f. Water Parsnip. Si'um. 



f Leaflets 5-9, oblong. Stem procumbent. S. Marsh JJmhel. Helosciad'icm. 



g Bracts of the involucre (not involucel) entire h 



g Bracts of the involucre cleft and divided k 



g Bracts of the involucre none or almost none m 



h Fruits bristly, club-shaped, few. Stem l-2f. high. Giceh/. OsMonni'zA. 3 



h Fruits smooth, flattened on the sides, ribs w-avy. Poison Hemhck. Coni'um. 4 

 h Fruits smooth, flattened on the back, ribs winged, straight, r. Conioselt''num:. 

 h Fruit smooth, terete, not flattened, ribs straight. Lovage. Ligus'ticdm. 



k Fruits bristly, short, numerous. Often cultivated. Carrot. Dau'cus. 



k Fruits smooth. Stems and leaflets thread-like. Eare. Discopleu'ra. 



k Fruits smooth. Stem 3-6' erect, bulbous. "W. Pepper-and-Salt. Erigeni'a. 5 

 m Fruit flattened on the back. Stems large, c. Angelica. Archangel'ica. 



m Fruit flattened on the sides n 



m Fruit terete, not flattened. Poison. N. Kare. FooVs Parsley, ^tuu'sa. 



n Calyx 5-toothed. Stems diff'use, slender. W. Chervil. Ch^erophyl'lum. 



n Cal. 5-toothed. Umbels stalked. Sts. erect, very slender. S. Leptocau'lis. 



n Calyx teeth none, fruit strongly ribbed. Poison. Water Hemhck. Cicu'ta. 6 



n Calyx teeth none, fruit scarcely ribbed. W. Eare. Crest Umbel. Eu'lophcs. 

 o Involucels leafy. Leaves perfoliate, simple, entire. Modexty. Bupleu'ritm. 



o Involucels minute. Seed with 5 winged ribs. Golden Alexanders. Thas'pium. 7 

 o Involucels minute. Seed with 5 ribs not winged. Alexanders. Ziz'ia. 8 



p Involucels minute. Fruit corky. Leaves bi-pinnatifid. Polyt^'nia. 



p Involucels none. Fruit thin. Leaves pinnate. Parsnip. Pastixa'ca. 



q Flowers white. Involucre or of 1 entire bract r 



q Flowers white. Involucre of a few cleft bracts. Parsley. Petrosei.i'num 



q Flov/ers yellow. Leaf segments very narrow and many. Fennel. Fcenic'ii-um. 



r Uinbellets radiate. Fruit round. Lvs. finely cut. Coriander. Cokian'dui'm. 



r Umbcllets not radiate (the flowers all similar) . . . s 

 s Fruir flattened on the sides, roundish. Lf. segin. wedge-form. Cvhry. A'pium. 

 s Fruit flattened on the sides, oval. Leaf segments linear. Caraway. Ca'rcm. 

 Fruit egg-shaped, not flattened. Loaf segments linear. Anise. Pimpi>t;l''la. 



