60 PENTANDRIA— DIGYNIA. Sison. 



base. Seeds each with 5 equidistant^ prominent, pale ribs. Some 

 jflowers are abortive. 

 The seeds are slightly, not agreeably, aromatic. There can be no 

 doubt of the genus of this plant. 



148. SISON. Honevvort. 



Linn.Gen.Ud. Juss. 221. Fl. Br. 315. 



Fl. all uniform, perfect, and regular. Cal. obsolete or 

 bluntly toothed. Pet. equal, elliptic-lanceolate, or in- 

 versely heart-shaped, with an involute point. Filam. 

 thread-shaped, spreading, about as long as the corolla. 

 Anth. roundish. Germ, inferior, ovate, striated. Styles 

 very short and thick, each with a very large, tumid, 

 sometimes depressed, base, permanent. Stigmas obtuse, 

 distant. Fncit ovate, or nearly orbicular, compressetl, 

 crowned with the permanent unaltered styles, without 

 any JIo?YiI receptacle. Seeds convex, with 3 dorsal ribs. 



Annual or biennial herbs, found in a chalky soil. Stems 

 slender, round, rigid, tough, much branched. Leaves 

 pinnate, sharply notched. Umbels terminal, numerous, 

 unequal and irregular. Bracteas few, small, and narrow. 

 Fl. white or reddish, small. Seeds pungent, nauseous. 



1. S. Amomum. Hedge Honewort. Bastard Stone- 

 parsley. 



Leaves pinnate ; the upper ones ternate. Umbels erect, of 

 about four general rays. Bases of the styles globose. 



S. Amomum. Unn. Sp. PI. 362. mild. v. I. 1436. Fl. Br. 315. 

 Engl. Bot. V. 14. t. 954, Jacq. Hart. Find. v. 3. I. 17. 



S. sive officinarum Amomum. Bauh. Hist. v. 3. p. 2. 107./. 



S. quod Amomum officinis nostris. Bauh. Pin. 154. Moris, v. 3. 

 283. sec/. 9. L5.f. 7. 



S. seu Petroselinum macedonicum Dodonsei. Dalech. Hist. 709./. 



Sium aromaticum, Sison Off. Rati Syn. 211. 



Petroselinum. Fiichs. Hist. 654. t. 655. 



P. macedonicum Fuchsii. Dod. Pempt. 697 . f. Ger.Em.lOld.f. 



Amomum germanicum. Trag. Hist. 46\.f. 



In marly or chalky, rather moist, ground, under hedges. 



Annual, or Biennial. August. 



Root tapering, with many lateral fibres. Ste7n about a yard high, 

 erect, with numerous, alternate, rigid, wiry branches, a little zig- 

 zag, smooth. Leaves dark green, smooth, pinnate ; the odd 

 leaflet lobed ; all somewhat ovate, deeply cut and serrated ; those 

 of the upper leaves narrower, sharper, more divided, 3-lobed, 



