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cente parietal at the margins of the 
valves. 
Pentaczna.—Calyx 2-seriate. Petals 
minute. Ovary l-ovulate. Fruit a 
utricle. 
D. Corolla 5-petaled. Floral parts superior. 
= 
aaa. 
a. lowers in a simple umbel. 
Panax.—-Fruit baccate. 
Hydrocotyle. — Petals entire, acute. 
Akenes laterally compressed. Cost 
filiform. . 
Bowlesia.—Petals obtuse. Akenes ovate, 
turgid, without costw, pubescent. 
Eryngium. — Petals erect, connivent, 
emarginate at their apex. Akenes terete, 
obovate, without cost but squamate 
and tuberculate. 
Sanicula. Petals erect, connivent, emar- 
ginate at their apex. Akenes spinose. 
Panax. Fruit baccate. 
b. Flowers in a compound wnrbel. 
aa. Hndosperm not excavated on its ver- 
tral surface (Orthosperme). Coste 5, 
filiform; secondary costee 0.  Akene 
laterally compressed. 
Petals entire. 
Apium. -Petals stellate, rounded, with 
involute apex. 
