Fifth class. 
13 
Fr. not prickly. Involucel Is large . Astrantia. 214. 
67 (63). Ls undiv. and entire. FIs yellow Bupleurum. 230. 
— Ls 2—3-pinnatipartite or -pinnatisect, or only the rad. 
Is undivided ........ OS 
68. Only 1 vitta under each rib. FIs dioecious, white Trinia. 218. 
— Yittae under the furrows or secondary ribs, rarely 0. 
FIs hermaphrodite or polygamous . . . 60 
69. FIs yellow or greenish yellow . . . .70 
— FIs white or rose-coloured, sometimes greenish white 77 
70. Invols and involucels 0, or of 1 leaflet . . .71 
— Invol. and involucel (at any rate the latter) present 74: 
71. Fr. orbicular (in transverse section) not winged at the 
margin.Foeniculum. 233. 
— Fr. flattened dorsally, with a broad (wing-like) or narrower 
edge. 72 
72. Pets obcordate .... Peucedanum. 246. 
— Pets with 4 rounded angles, truncate . . . 73 
73. Ls pluri-pinnatisect, with linear-filiform lobes 
Anethum. 247. 
— Ls simply pinnatisect, with oval or oblong lobes 
Pastinaca. 248. 
74 (70). Fr. compressed laterally. Parsley Petroselinum. 217. 
— Fr. orbicular (in transverse section) or compressed 
dorsally (parallel to the face of the commissure) 75 
75- Fr. fairly orbicular (in transverse section) Silaus. 239. 
— Fr. compressed dorsally . . . . .76* 
76. Mericarps with 4 secondary ribs with broad wings, so 
that the fr. appears 8-winged . Laserpitium. 251. 
— Mericarps without secondary ribs. Fr., on account of 
the compressed, divaricating edges, appearing 2-winged 
on each side.Levisticum. 243. 
77 (69). Inner face of the albumen excavated in the form 
of a hemisphere ....... 7 S 
— Inner face of the albumen convex, flat, deeply furrowed 
or with incurved edges . . ... . 70 
78. Fr. didymous, composed of 2 globular-swollen merioarps 
Bifora. 264. 
— Fr. globular.Coriandrum. 265. 
79. Invol. and involucels with 0, or few (1—2), ls . SO 
— Invol., or at any rate involucels, with many (3—several) ls 
SO 
80. Fr. much compressed dorsally, lentil-shaped 
Peucedanum. 246. 
— Fr. orbicular (in transverse section), or compressed 
laterally . . . . . . . . SI 
81. Pets not indented, pale green. Celery Apium. 219. 
— Pets indented with the tip inflexed . . . 82 
