266 
POLYPETALOTJS ORPtlES. 
Fruit a 2-celled capsule. Seeds pendulous ; embryo straight, 
in the axis of fleshy albumen. 
«. Properties : the leaves and bark are astringeat ; the seeds of some species are 
oily and edible. 
Genera. — Hamamelis, Fothergilla. 
462. Umbellifer^, the Umhelliferm'H Tribe. — Herbaceous 
plants with solid or fistular, furrowed sterx^s. Leames alternate, 
variously divided, sheathing at the base. Flowers umbellate, 
involucrate. Calyx entire or 5-toothed, cofcoring with the ovary. 
Petals 5, inserted on the outside of a flenhy, epigynous disk, 
the points often inflexed, imbricate in gestivation. Stamens 5, 
alternate with the petals, incurved in gestivatioTj . Ovary infe- 
rior, 2-celled, crowned by a double fleshy disk ; ovules solitary, 
pendulous ; styles 2, distinct. Fruit a cremccC'Tp^ consisting 
of 2 carpels, which adhere by their face to a common axis, from 
which they separate and are suspended when ripe ; each carpel 
is traversed by ridges, 5 of which are primary, p.nd 4 alter- 
nating with them are secondary ; below the channeb by which 
they are separated there are often vittce^ containing oil. Seed's 
pendulous ; embryo minute, at the base of abundant horny 
albumen. 
a. Properties : various. Some umbellifers are esculent, "while others ar*' \ lison- 
©us ; nearly ail are furnished with a volatile oil or balsam, upon which tiici ai'd- 
matic and carminative properties depend. 
Fig. 189. 
(ii:NERA. — Hydrocotyle, Sanicula, Eryngium, Cicuta, Zizia, Apium, Sison, CaruiK, 
Cryptotzenia, Slum, Bupleurum, GEnanthe, ^Ethusa, Seseli, Cnidiura, Ligusticum, 
Crithmum, Angelica, Ferula, Peucedanum, Archemora, Anethum, Pastinaca, Hera- 
bleum, Trepocarpus, Thaspium, Daucus, Osmorhiza, Conium, Coriandrum, Xsinthiuiii. 
