186 SAXIFRAGACEAE. [Vor IL. 
Flowers inodorous, solitary or few. 
Calyx-lobes about equalling the tube. tnodorus. 
1a sl 
Calyx-lobes about twice as long as the tube. 2. P. grandiflorus. 
Flowers racemose, numerous, fragrant. Sune 
coronarius, 
ms Philadelphus inodorus L. Scent- 
less Syringa. (Fig. 1861.) 
Philadelphus inodorus \,. Sp. Pl. 470. 1803. 
A shrub, 6°-8° high, glabrous or very nearly so 
throughout. Leaves ovate or oval, acute or acu- 
minate at the apex, rounded or sometimes nar- 
rowed at the base, 2’-5’ long, strongly 3-nerved, 
serrate with small distant teeth, or entire; flowers 
white, inodorous, about 1’ broad, solitary or 2 or 
3 together at the ends of short branches; calyx- 
lobes triangular-ovate, acute, about as long as the 
tube; capsule about 3’ high. 
In thickets, Virginia to Alabama and Georgia, 
principally in the mountains. Escaped from culti- 
vation in Pennsylvania. May. 
2. Philadelphus grandiflorus Willd. 
Large-flowered Syringa. (Fig. 1862.) 
Philadelphus grandifiorus Willd. Enum. Hort. 
Berol. 511. 1809 
A shrub, 6°-10° high, resembling the pre- 
ceding species and perhaps not specifically dif- 
ferent. Leaves broadly ovate or oval, more or 
less pubescent, especially beneath, 3/—5’ long, 
acuminate at the apex, rounded or narrowed at 
the base, sharply dentate, 3-nerved; flowers 1- 
3 together at the ends of the branches, and 
sometimes also axillary to the upper leaves, 
white, inodorous, 114/—-2’ broad; calyx-lobes 
lanceolate, acuminate or acute, twice as long 
as the tube; capsule about 3/’ high. 
In low grounds, Virginia to Tennessee and 
Florida. April-May. 
3. Philadelphus coronarius L,. 
Garden Syringa. Mock Orange. 
(Fig. 1863.) 
Philadelphus coronarius 1,. Sp. Pl. 470. —1753- 
A shrub 8°-10° high. Leaves short-peti- 
oled, oval, elliptic or ovate-elliptic, 2’—4’ long, 
glabrous above, pubescent beneath, acute or 
acuminate at the apex, rounded or narrowed at 
the base, denticulate with distant teeth, 3- 
nerved; flowers numerous, racemose at the ends 
of the branches, 1/-1'%4’ broad, creamy white, 
very fragrant; calyx-lobes ovate, acute, longer 
than the tube. 
Escaped from gardens in Virginia and Ohio, 
and sparingly in the Middle and Eastern States. 
Native of central Europe. May-June. 
