223 NATUBAL EISTOBY OF PLANTS. 



terete, flat or slightly convex at face, sometimes angular. — Glabrous 

 perennial herbs ; ' leaves pinnate or pinnately decompound ; umbels 

 compound ; involucral bracts few or ; bracteoles of involucels cxd , 

 small/ (North, hemisph. of both worlds,^) 



46. Sium T.* — Flowers ' nearly of Sison ; sepals dentiform acute. 

 Stylopods depressed conical entire. Fruit ovate or oblong, sometimes 

 subdidymous, compressed contrary to septum and more or less con- 

 stricted at commissure. Carpels obtusely 5-gonal ; ridges subequal 

 obtuse or incrassate ; epicarp sometimes (Berula *) and to the furrows 

 more or less incrassate or granular ; vittae oo ; carpophore thin' or 

 scarcely conspicuous simple. Styles divaricate or reflexed, sometimes 

 capitellate. Seed transversely subterete. — Glabrous herbs; leaves 

 pinnate ; pinnae dentate ; flowers in lateral or terminal umbels ; 

 involucral bracts and bracteoles of involucels oo .' (North, hemisph. of 

 both worlds, South Africa.^) 



47. Apium T.^ — Flowers '" nearly of Garum; petals oftener entire, 

 sometimes scarcely acnmmate {Helosciadiu7n^^). Stylopods shortly 

 conical or depressed, entire at margin. Fruit shortly ovate, subor- 

 bicular or broader than long or didymous, compressed contrary to 

 septum and constricted at commissure, rounded at base, or oftener 

 more or less emarginate (Euapium ^^) ; mericarps 5-gonal ; primary 

 ridges rather prominent subequal, sometimes rough or slightly hispid 

 (Leptocaulis ^^) ; vittse in furrows solitary or scarcely conspicuous ; 

 carpophore simple or at apex shortly 2-fid, rarely 2-partite {Oreoscia- 



' Aquatic, marshy, sometimes bulbiferous. 639. — Fa. et Sat. Fnum. PI. Jap. i. 181. — Mia. 



2 Qy. if of this genus or rather of /Sison (?) Ann. Aim. Lugd.-Bat. iii. 57. — A. Gray, ifcSiB. 

 Platyraphe MiQ. {Ann. Mus. Lugd.-Bat. iii. 56) (ed. 5) 196. — S.-Watb. King's Rep. Bot. 121.— 

 a Japanese plant unknown to us. Chapm. Fl. S. Unit. St. 162. — Hook. p. Icon. t. 



3 IteicHB. p. Ic. Fl. Germ. t. 1863.— A. Gray, 1032.— Boiss. Fl. 0>: ii. 888.— Grbn. et Godr. Fl. 

 Man. (ed. 5) 196.— S.-Wats. King's Rep. Bot. & -?V. i. 726.— "Walp. JJ«i). ii. 396 ; Ann. ii. 100. 

 121.— Gkbn. et GoDR. Fl. de Fi: i. 739. » Inst. 305, t. 160.— L. Gen. a. 367.— HoppH. 



* Inst. 308, t. 162.— L. Gen. n. 348 (part).— Vmb. i. 75.— Koch, Umb. 128.— DO. Mem. 36 ; 



Koch, Umb. 117.— DC. Prodr. iv. 424.— Spach, Prodr. iv. 100.— Spaoh, Suit.ctBuffon, viii. 183. 



Smt. d Buffon, viii. 200.— Endl. Gen. n. 4413.— — Endl. Gen. n. 4393.— B. H. Gen. 888, n. 49; 



B. H. Gen. 893, n. 60.— Hook. Fl. Ind. ii. 683. —Hook. Fl. Irid. ii. 678. 



— Sisarum T. Inst. 308, t. 163. — Adans. Fam. •» White or rarely yeUowish. 



des PI. ii. 97. » Koch, Umb. 126.— DC- Mem. 37; Prodr. iv. 



s White. _ 104.— Endl. Gen. n. i3S7 .—Mauohartia Neck. 



« Koch, Deutschl. Fl. ii. 433.— Ekdl. Gen. n. Fkm. n. im.—Critamus Hoffm. Umb. 182 (not 



4412. Bess.). 



7 An irregular genua to be carefully revised, " jjc. Prodr. iv. 101, sect. l.—Cyclospermum 

 in some cases apparently very near Carum, in Lag. Amcen. ii. 101. 



others ^/liam. " Nutt. ex DC. M^. 39, t. 10; Prodr. iv. 



8 Spec. 3, 4 (v. 7, 8 ?). Keiche. p. leom Fl. 107.— Endl. Gen. a. i399.—Spermolepis Eafin. 

 Germ. t. 1877.— Hakv. and Sonu. FI. Cap. ii. (not Ad. Br.). 



