Root 
Strength 
SCABIOSA—Scabious or Pin-cushion Flower 
Charming perennials for border culture and for cut 
flowers. The Seabiosa caucasica are particularly valu¬ 
able for the latter purpose, as its large, snowy, blue or 
white flowers are borne on long stems. The species are 
of easy culture, and desirable to grow in sunny borders. 
Culture. All will thrive in well drained, good, ordi¬ 
nary soil, which is not heavy or damp. Cold and 
damp is fatal to these plants. An ideal soil for them 
is a sandy loam. Plant in early autumn or early spring. 
The plants are best in groups of three or more. Plant 
about 8 inches apart. A full sunny position is essential. 
Caucasica Three $1-00, Doz. $3.00, 100 $20.00 
(Blue Bonnet). Their lovely flowers are a soft and 
charming shade of lavender; commences to bloom in 
June, throwing stems 18 to 24 inches high until Sep¬ 
tember. 
Caucasica alba Three $1.10, Doz. $3.25, 100 $22.50 
(White Bonnet). The white form of the preceding. 
Japonica Three $1.00, Doz. $3.00, 100 $20.00 
Lavender-blue flowers from July to September. 2 feet. 
This is a biennial variety, but very valuable for its 
great quantity of blue flowers produced throughout the 
summer. 
Fennsylvanica Three $1.00, Doz. $3.00, 100 $20.00 
(Cephalaria tatarica). Large golden yellow flowers, 
similar to the true Seabiosa in form, but 5 feet tall; ex¬ 
cellent plant for back in the border or in front of 
shrubs. 
SCUTELLARIA—Skull Cap 
There are many species scattered throughout the-world. 
Baicalensis is the only one considered; it is a shrub¬ 
like plant with lovely blue flowers suitable for the 
sunny border or rock garden. 
Culture. Well drained, rich, sandy soil is best. Plant, 
in full sun in border or rock garden in fall or spring, 
10 inches apart. 
^Baicalensis coelestina Three $1.10, Doz. $3.25, 100 $22.50 
Short, wiry stems, one foot high, clothed with clear 
blue Snapdragon-shaped flowers during July and Au¬ 
gust; a very good plant for the rockery or in front of 
the border. 
SENECIO—Ragwort; Groundsel 
Only a few species of this genus are worthy of culti¬ 
vation. They are of vigorous growth, and suitable for 
the wild garden and the waterside only. 
Culture. Those named will thrive in ordinary soil, in 
partial shade, in open woods or under trees. The plants 
should be grown in small colonies. Plant in autumn or 
early spring, 12 inches apart. 
Clivorum Three $1.10, Doz. $3.25, 100 $22.50 
Forms a neat tuft of foliage, from which spring up 
from July to October a succession of 3-foot stems, with 
clusters of orange-yellow flowers. One of the few 
plants that flower profusely in shade. 
SHORTIA 
Lovely dwarf plants with round leaves topped in spring 
with small, white, cuplike flowers. Suitable for open 
woods or shady rock garden. 
Culture. These plants require a light fibrous soil which 
is at least fifty per cent leaf mold. Should be grown 
in half shade in the rock garden or open woods. Plant 
in fall or early spring, 3 to 4 inches apart. 
♦ Galacifolia Three $1.40, Doz. $4.00, 100 $30.00 
A rare and beautiful species, from the mountains of 
North Carolina. The leaves are evergreen and the 
petals, five in number, are pure white, and scalloped or 
notched on the edges. Flowers about an inch across 
in early summer. Plant in a shady place. 
SIDALCEA—Greek-Mallow 
Graceful, hardy perennials with small, hollyhock-like 
flowers borne on slender spikes. Suitable for sunny 
borders. 
Culture. Grow in good, ordinary soil in sunny borders. 
Plant in autumn or early spring, 8 inches apart. 
Rosy Cem Three $1.00, Doz. $3.00, 100 $20.00 
Erect growing, more or less branching plants, 2 to 3 
feet in height, producing their showy bright rose col¬ 
ored flowers during June and July. They will succeed 
in any garden soil in a sunny position. 
SILENE—Catchfly or Campion 
These perennials are of dwarf habit, and chiefly suit¬ 
able for rockeries. Two species, however, Maritima 
flore pleno and Schafta, may be grown as edgings to 
sunny borders. 
Culture. Grow in good, ordinary soil on the margins 
of slightly raised, sunny borders or rock gardens. May 
be grown as a continuous edging or in masses. Plant 
in early spring or fall, 4 inches apart. 
**Acaulis Three $1.40, Doz. $4.00, 100 $30.00 
A typical high Alpine. Close, green cushions and tiny, 
stemless, rosy flowers in May and June. 
**Alpestris Three $1.00, Doz. $3.00, 100 $20.00 
Dwarf rock plant, dainty, pure white flowers in May 
and June. 
*Saxifraga Three $1.20, Doz.' $3.50, 100 $25.00 
A choice Alpine of mossy growth. Flowers white, in 
great profusion all summer. 
*Schafta Three $0.85, Doz. $2.50, 100 $18.00 
(Autumn Catchfly). A charming border or rock plant, 
growing from 4 to G inches high, with masses of bright 
pink flowers from July to October. 
SISYRINCHIUM—Rush-Lily or Satin Flower; Blue- 
Eyed Grass 
Graceful perennials with grassy foliage, slender, Iris¬ 
like stems, and bell-shaped, drooping flowers. Suitable 
for growing in colonies in warm, sheltered positions in 
the border or rock garden. 
Culture. Grow in peat and sandy loam in colonies in 
a warm, sheltered position. Plant in early spring, 4 
inches apart. If planted in fall, protect carefully the 
first winter. 
*Bermudianum Three $1.00, Doz. $3.00, 100 $20.00 
A handsome dwarf, grass-like little plant for sunny 
place in the rock garden. Produces on top of the 6-inch 
leaves, dainty violet-blue flowers in June and July. 
SHASTA DAISY (See Chrysanthemum Maximum). 
SPIRAEA—Goat's Beard; Meadow Sweet 
Very handsome herbaceous perennials. In general ap¬ 
pearance the species are much like those of the Astilbe. 
The plant commonly known as Spiraea japonica really 
belongs to the genus Astilbe. The species named below 
have handsomely divided leaves and flowers borne in 
graceful, feathery plumes. All are suitable for shady 
borders, woodland glades and the wild garden. 
Culture. The Spiraeas require a deep, ricli and moist 
soil. Plenty of leaf mold and well-decayed manure 
must be incorporated with it before planting. Aruncus 
may be grown as single specimens in moist parts of 
the garden. As to the rest, these will thrive in shady, 
moist borders, or they may be grown by the waterside. 
Filipendula flore pleno, being small, should be grown 
in groups of three or six plants. Those grown in bor¬ 
ders should be given copious supplies of water in dry 
weather. Plant in autumn or early spring, 12 inches 
apart. 
Aruncus Three $1.20, Doz. $3.50, 100 $25.00 
Produces long, feathery panicles of white flowers, form¬ 
ing graceful plumes 4 feet tall in June. 
Filipendula Three $0.S5, Doz. $2.50, 100 $18.00 
(Dropwort). Numerous corymbs of white flowers on 
stems 15 inches high during June and July; pretty fern¬ 
like foliage. 
^Filipendula flore pleno. Three $1.20, Doz. $3.50, 100 $25.00 
Double white flowers on 12-inch stems; lovely fernlike 
foliage. 
Palmata elegans Three $1.20, Doz. $3.50, 100 $25.00 
Graceful plumes of lovely light pink flowers in June, 
on stems 3 feet high. Fine for waterside planting. 
Ulmaria fl. pi. Three $1.10, Doz. $3.25, 100 $22.50 
The well known double "Meadow Sweet.” Creamy white 
flowers produced in abundance in early summer on 
stems about 3 feet high. 
Venusta Three $1.20, Doz. $3.50,100 $25.00 
(Martha Washington Plume). A noble plant growing 
about four feet high, producing in July and August 
handsome, rosy carmine flowers \yhich are delightfully 
fragrant. A desirable subject for the border or along 
a small brook. 
Indicate* plants that 
mag be grown in Rock 
Garden and Border. 
