Tiffce/)^. annular, thin, undulated, erect; afterwards 

 depressed. Fl. imperfectly separated, nearly regular. 

 * 166. BUPLEURUM. Ft. ovate-oblong, obtuse, with pro- 

 minent, acute, abrupt ribs; interstices flat ; juncture 

 contracted. Cal. none. Pet. equal, broadish-wedge- 

 sliaped, very short, involute. Styles very short, not 

 extending beyond the circumference of their broad, 

 tumid bases. Tl. Reccpt. none. Fl. all perfect and 

 regular. 



» 167. HYDROCOTYLE. Fr. nearly orbicular, rather 

 broader than long, angular, much compressed; junc- 

 ture very narrow. Cal. none. Pet. equal, ovate, 

 spreading, undivided. (S'(?/^£'5 cylindrical, shorter than 

 the stamens ; tumid at the base. Fl. Recept. none. 

 Fl. all perfect and regular. 



F. F7'uit solid, unarmed, compressed transversely, the 

 juncture being broader than the transverse diameter. 



h 150. ^THUSA. Seeds ovate, convex, with 5 tumid, 



rounded, acutely keeled, ribs; interstices deep, acut- 



angular; border none. Cal. pointed, very minute. 



Pet. inversely heart-shaped, rather irregular. Fl. 



Recept. none. Fl. all perfect, slightly radiant. 

 \r 158. IMPERATORIA. Seeds orbicular, with a notch at 



each end, a little convex, with 3 prominent dorsal 



ribs, and a dilated, flat, even border. Cal. none. 



Pet. inversely heart-shaped, very slightly irregular. 



Fl. Recept. none. Fl. all perfect, scarcely radiant. 

 L 168. SELINUM. Seeds elliptical, slightly convex, with 



3 acute dorsal ribs, and a dilated, flat, even boi'der. 



Cal. minute, pointed, spreading. Pet. inversely 



heart-shaped, involute, equal. Fl. Resept. obsolete. 



Fl. perfect, regular, a few occasionally abortive. 

 a 159. ANGELICA. Seeds elliptic-oblong, convex, with 3 



dorsal wings, and a naiTow, flat, even border. Cal. 



none. Pet. lanceolate, flattish, undivided, contracted 



at each end, equal. Fl. Recept. thin, wavy, narrow, 



permanent. Fl. all perfect, regular. 



■» 160. LIGUSTICUM. (Sf-^/s oblong, convex, with 3 dorsal, 

 and 2 marginal, equal wings. Cal. small, pointed, 

 erect; broad at the base. Pet. elliptical, flattish, 

 undivided, contracted at each end, equal. Fl. Recept. 

 none. Fl. all perllct, regular. 



