222 NATURAL HISTORY 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 cx) , 

 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 J (North, hemisph. of 

 both tcorlds, South Africa.^) 



47. Apium T.^ — Flowers ^^ nearly of Carum; petals oftener entire, 

 sometimes scarcely SLcnmrnsite {Helosciadium^^), 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 

 (Ijeptocaidis ^^) ; vittee in furrows solitary or scarcely conspicuous ; 

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



1 Aquatic, marshy, sometimes bulbiferous. 639. — Fr. et Say. Fmm. PI. Jap. i. 181. — Miq. 



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

 Platyraphe Miq. {Ann. Mus. Lugd.-Bat. iii. 56) (ed. 5) 196.— S.-Wats. King's Eep. Bot. 121.— 

 a Japanese plant unknown to us. Chapm. Fl. 8. Unit. St. 162. — Hook. r. Icon. t. 



3 Ueichb. f. Ic. fl Germ. t. 1853.— A. Gray, 1032.— Boiss. Fl.Or. ii. 888.— Gren. et Godr. Fl. 

 Man. (ed. 5) 196.— S.-Wats. King's Rep. Bot. deFr.i. 726.— Walp. Eep. ii. 396 ; Ami. ii. 700. 

 121.— Gken. et GouR. Fl. de Fr. i. 739. 9 Inst. 305, t. 160.— L. Gen. n. 367.~HoFFif. 



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



Koch, Umb. 117.— DC. Prodr. iv. 424.— Spach, Prodr. iv. 100.— Spach, Suit, a Buffon, viii. 183. 



Suit, a 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. Ind. ii. 678. 



— Sisarum T. Inst. 308, t. 163. — Adans. Fain. i" White or rarely yellowish. 



dis Fl. ii. 97. " Koch, Umb. 125.— DC. Mem. 37; Prodr. iv. 



5 White. 104.— Endl. Gen. n. i397.—MaHchartia Neck. 



6 Koch, Deutschl. Fl. ii. 433.— Endl. Gen. n. Ehm. n. 2S6.—Critamus Hoffm. Umb. 182 (not 

 4412. Bess.). 



7 An irregular genus to be carefully revised, 12 BC.Frodr. iv. 101, sect. l.—Cgclospennum 

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



others Apium. 13 Nuxt. ex DC. Mem. 39, t. 10 ; Prodr. iv. 



8 Spec. 3, 4 (v. 7, 8?). Reichb. f. Icon. Fl. 107.— Endl. Gm. n. 4399.— 6>r;v/io;t:/yi.s Rafin. 

 Germ. t. 1877.— Harv. and Son >. Fl. Cap. ii. (not Ao. Br.). 



