G. Fruit thin and almost jiat, comptessed tranS' 

 versely, without dorsal "wings. 



169. PEUCEDANUM. Seeds broadly eUiptical, with a 



notch at each end, a little convex, with 3 slightly 

 prominent ribs; interstices striated ; border narrow, 

 flat, even, smooth and entire. CaL pointed, ascend- 

 ing. I*et. inversely heart-shaped, all very nearly 

 equal. Fl. Recept. none. Fl. regular, imperfectly 

 separated. 



170. PASTINACA. 5e^^s elliptic-obovate, with a slight 



notch at the summit, very nearly flat, with 3 dorsal 

 ribs and 2 marginal ones; border narrow, flat, thin, 

 even, smooth and entire. Cal. very minute, obsolete. 

 Pet. broadly lanceolate, involute, equal. Fl. Recept. 

 broad, orbicular, wa\y, rather thm, concealing the 

 calyx. Fl. regular, uniform, perfect. 



171. HERACLEUM. Se<?c?5 inversely heart-shaped, with 



a notch at the summit, very nearly flat, with 3 slender 

 dorsal ribs, 2 distant marginal ones, and 4 intenne- 

 diate, coloured, depressed, abrupt hnes fi'om the top ; 

 border narrow, slightly tumid, smooth, even and 

 entire, Cal. of 5 small, acute, evanescent teeth. Pet. 

 inversely heart-shaped, radiant. Fl. Recept, wavy, 

 crenate, obtuse. Fl. separated. 



172. TORDYLIUM. Seeds orbicular, nearly flat, rough- 



ish, without ribs; border tumid, wrinkled or crenate, 

 naked or bristly. Cal. of 5 awl-shaped, unequal 

 teeth. Pet. inversely heart-shaped, radiant, variously 

 imequal and irregular. Fl. Recept. none. Fl. se- 

 parated. 



Order III. TRIGYNIA. Pistih 5. 



* Fl. superior. 



173. VIBURNUM. Co?-. 5-cleft. Be7^y v.ith I seed. 



1 74. SAMBUCUS. Cor. 5-cleft. Berry with 3 seeds. 



** Fl. inferior. 



175. STAPHYLEA. Petals 5. Caps. 2 or 3, inflated. 



