Saxifragee—Philadelphus. 185 
to 10 petals, numerous stamens, subulate filaments, and only 
one style. Platycrater Siebdldii, syn. P. argita, is a recently 
introduced Japanese shrub with lanceolate dentate deciduous 
leaves and white Philadelphus-like flowers, remarkable for the 
4-valvate petals and 2 slender styles. 
7. PHILADELPHUS. 
Deciduous shrubs, differing from the last genus in having 
larger often sweet-scented flowers, 4 or 5 imbricate petals, 
numerous stamens, and slender filaments. The species, of which 
there are about twelve, are natives of Central Europe, Hima- 
layas, Japan, and North America. The Greek name of a shrub. 
These beautiful hardy flowering shrubs are popularly known 
under the name of Syringa (Seringat, French) or Mock Orange. 
1. Ph. coronarius.—This is the common European species, 
of which there are several varieties in cultivation, including 
a double-flowered one, and one with variegated foliage. It 
grows from 4 to 8 feet high, with ovate acuminate serrulate 
glabrescent leaves and racemes of creamy-white fragrant 
flowers, appearing in May. 
2. Ph. Gordonianus (fig. 99).—A very handsome and de- 
sirable American species with flowers nearly double the size of 
those of the common one. This does not bloom till the latter 
end of June or beginning of July. 
Fig. 99. Philadelphus Gordonianus. (} nat. size.) 
3. Ph. grandiflorus, syn. Ph. specidsus, Ph. latifolius, ete.— 
A shrub 6 to 10 feet high. Leaves pubescent when young, 
ovate-acuminate or nearly rotundate, irregularly toothed. 
