59 
MOUNT ARBOR NURSERIES, SHENANDOAH, IOWA 
Cut Leaved Sumach (R. Glabra, var. laci- 
nlata) — A variety of the Smooth Su- 
mach with deeply cut, fern-like foliage. 
Smooth Sumach (R. Glabra) — A shrub 8 
feet high with handsome green foliage, 
changing to beautiful autumn tints; 
showy spike of crimson fruit. 
SPIRE A. Meadow Sweet 
S. Arguta — Of dwarf habit, spreading 
head; flowers clear white; the best of 
the very early flowering white varieties; 
blooms in May. 
Ash Leaved (S. Sorbifolia) — A vigorous 
grower with foliage similar to the Moun- 
tain Ash and long spikes of beautiful 
white flowers; blooms in July. 
Billard's Spirea (S. Billardi) — Flowers are 
rose colored; blooms nearly all summer. 
Bridal Wreath (S. Prunifolia flore pleno) 
— Foliage a dark shining green, chang- 
ing to autumn tints in the fall; flowers 
double, pure white and are borne the 
entire length of the twigs; one of the 
most popular varieties. 
S. Bumalda — A handsome variety from 
Japan; dwarf habit and vigorous 
growth; foliage narrow; flowers rose 
colored and borne in great profusion; 
blooms a long time. 
Anthony Waterer — A fine dwarf Spirea 
with dark crimson flowers. 
Douglas' Spirea (S. Douglasi) — A beauti- 
ful variety with spikes of deep rose col- 
ored flowers in July and August. 
Fortune's Dwarf White Spirea (S. callosa alba) 
— A white flowering variety of dwarf, sym- 
metrical form; keeps in flower all summer; 
a valuable sort. 
White Fringe Tree (See page 51) 
Sy ringa 
Golden Leaved Nine Bark (S. Opulifolia, var. 
aurea) — A beautiful variety with golden- 
yellow foliage and double ■ white flowers in 
June. 
Nine Bark (S. Opulifolia) — One 
of the most vigorous growers; 
foliage light green; flowers 
white and produced in great 
profusion. 
Thunberg's Spirea (S. Thunbergii) 
Dwarf habit and rounded grace- 
ful form; branches slender and 
drooping; flowers pure white 
and borne the entire length of 
the twigs; foliage narrow and 
long, turning to orange scarlet 
in the fall. 
Van Houttei Spirea (S. Van 
Houttei) — This is undoubtedly 
the most popular of all the va- 
rieties; foliage a rich green, 
changing to beautiful tints in the 
fall; in blooming season the 
bush is a perfect mass of pure 
white flowers, the branches 
bending to the ground; an indis- 
pensable ornament for lawns 
and hedges. 
SYRINGA or MOCK 
ORANGE. Philadelphus 
Garland Syringa (P. Coronarlus) — 
A well-known shrub with pure 
white, very fragrant flowers; 
one of the first to bloom. 
