308 MONOPETALEZ—PERICOROLLES, 
by abortion; embryo long, contained in a hard or horny 
albumen. 4 
Examptes.—Benjamin-tree (Styrax Benzoin), Symplocos, — 
Alstonia, Indian Date Plum (Diospyros). % 
Mepictnat Prorerties.— The balsam called Storax — 
exudes from incisions in the bark of Styrax officinale: it — 
consists of resin and benzoic acid, and is expectorant, but — 
little used except for its fragrance. Gum benzoin, which 
contains a large quantity of benzoic acid, is obtained in a 
similar manner from Styrax Benzoin, and is of a similar me- 
dicina] character. : 
Officinal Plants. 
Styrax officinale. 
Styrax Benzoin. 
ORDER LXVL 
ERICINES. 
Ericinee aod Vaceinee, Richard’s Histoire Naturelle Medicale ; 
Erica and Rhododendra, Juss. 
_ Cuanacrers.— Arbuscles or shrubs, with alternate oppo- 
_ Site, or whorled leaves, without stipules ; flowers mostly in 
spikes or racemes; calyx monosepalous, of 4 or 5 teeth or 
__ lobes, sometimes adhering to the ovary (superior), and per- 
‘or apex of the 2-celled anthers; anthers dehiscing by 
3 ovary sometimes free, sometimes adhering to the 
(OF 4 or 5 many-seeded cells, with one sty 
