Mot'tbAbin^Wlf^AfciSS^^^ _ Better Perennial Plants 67 
Thalictrum aquilegifolium (See page 68) 
RUDBECKIA - Coneflower 
These very showy plants are found in most gardens as they are easy to grow, 
and very persistent. The single-flowered varieties fit splendidly into any natur¬ 
alistic planting. They are really good only in masses, except such as Golden 
Glow, which is best grouped in clumps of four or five together for some 
emphatic point in the garden. 
Rudbeckia purpurea. See Echinacea purpurea. 
R. speciosa (newmanni). Showy Coneflower. 2 ft. July to October. Large 
yellow or orange-yellow flowers 3 to 4 in. across, with dark centers. Fine 
for cutting. 25c each; $2.50 per doz. 
RUMEX 
Rumex acetosa. Garden Sorrel; Green Sorrel. 3 ft. Tart green leaves, used in 
soups and salads. 25c each; $2.50 per doz. 
RUTA 
*Ruta graveolens. Common Rue. 18 in. July. Panicles of small, yellow 
flowers and divided blue-green leaves. An old-time medicinal herb of value 
in herb gardens or in the perennial border. 25c each; $2.50 per doz. 
SALVIA 
The showy, red annual Salvia should not be confused with these hardy 
varieties which are excellent border plants and which produce masses of color, 
blues predominating, throughout the summer and early fall. 
*Salvia argentea. Silver Sage. 2 to 3 ft. June. Large silvery gray, woolly 
foliage and white flowers. 
S. azurea angustifolia. Azure Sage. 3 ft. September, October. Delicate 
spikes of dark blue flowers on slender stems. 
S. officinalis. Garden Sage. 18 in. June, July. Aromatic whitish, some¬ 
what downy leaves, used for herbs and flavoring. Flowers come in whorls, 
varying from blue to white. 
*S. pratensis. Meadow Sage. 2 ft. May to July. Useful plant for borders, 
with violet-blue flowers in showy spikes. 
S. sclarea turkestanica. 18 in. August, September. Decorative silvery 
foliage and sbowy whorls of white flowers surrounded by pale pink bracts. 
SANGUINARIA 
*Sanguinaria canadensis. Bloodroot. 8 in. April, May. Delicate, starry, 
pure white flowers on soft, red stems, followed by tall, broad, gray leaves. 
One of the most beautiful native wild flowers. 25c each; $2.50 per doz. 
SANGUISORBA - Burnet 
Sanguisorba canadensis. Wild Burnet. 3% ft. July to September. 
Hardy herb with bronzy green cut foliage and small spikes of white flowers. 
Described hy one man as “the poor man’s Cimicifuga simplex and it makes 
twice the show.” 
S. minor. Salad Burnet. 2 ft. Gray-green foliage and greenish white flow¬ 
ers in dense heads. 
SANTOLINA 
*Santolina chamaecyparissus. Lavender ■ cotton. 1 ft. July. Evergreen 
perennial, with attractive silver-gray foliage and yellow flowers. It is useful 
as a rock or border plant or may be used for a trim hedge in herb gardens. 
S. viridis. Green Lavender-Cotton. 8 in. Dwarf plants with gray-green 
foliage, excellent for edgings. 
SAPONARIA 
*Saponaria ocymoides. Rock Soapwort. 6 in. May to August. A half- 
trailing plant, useful for rock or wall gardens, with bright pink flowers in 
loose, broad cymes. Very showy and effective. 
SATUREIA - Savory 
*Safureia alpina. Calamint. 6 in. Fragrant matlike plants with tiny spikes 
of rich purple flowers. Used for ground-cover in dry, sunny spots. 
*S. montana. Winter Savory. 12 in. A dwarf, woody herb with fragrant, 
evergreen leaves. Can be used like Teucrium for an edging. 
SAXIFRAGA - Saxifrage 
*Saxifraga cordifolia. Heartleaf Saxijraga. 15 in. May, June. A strong¬ 
growing species with large, waxy bronzy-green leaves and clusters of bright 
rose-colored flowers on the tips of tall stems very early in the spring. Fine 
among large rocks or ledges, or at the sides of rough steps. 
S. macnabiana. 1 ft. May, June. Numerous clusters of white flowers 
heavily speckled with pink. Stiff rosettes of gray-green foliage, fine for wall 
gardens or crevices in the rock garden. 35c each; $3.50 per doz. 
SCABIOSA 
These are handsome, bushy plants suited to any good border, thriving in 
sunny locations and producing great quantities of beautiful flowers on fine 
cutting stems. They should be grown in quantity for their excellent decora¬ 
tive effect. 
Scabiosa caucasica. Caucasian Scabiosa. 2V2 ft. June to September. Vig¬ 
orous, handsome border plant with large, soft lilac-blue flowers on long 
stems, useful for cutting. 
S. caucasica alba. White flowered form of the above. 
S. caucasica. House’s Hybrids. Flowers very large, ranging in color from 
light azure-blue and lavender to deep blue and silvery white. 35c each; 
$3.50 per doz. 
S. japonica. Japanese Scabiosa. 3 ft. July to September. This variety has 
beautiful blue flowers in great abundance. 
SEDUM - Stonecrop 
Of easiest possible culture, the Sedums will thrive apparently in some of 
the most inhospitable places. They will not endure dampness, however, and 
should always be planted so that their roots are high and dry. Ideal for 
rockeries, cracks between stones, covering bare sandy patches of sterile 
ground, and for innumerable places where hard-luck plants are needed. 
*Sedum acre. Goldmoss. 4 in. May, June. A little, low, tufted plant with 
pulpy light green leaves and masses of yellow flowers. Good for edging and 
covering ledges. 
*S. album. White Stonecrop. 4 in. July, August. Very pretty creeping 
variety, with small foliage and tiny white flowers on pinkish stems. 
*S. kamtschaticum. Orange Stonecrop. 6 in. July, August. Pulpy, bright 
evergreen foliage, with golden flowers in flat clusters. 
*S. lydium. Lydian Stonecrop. 2 in. July, August. Forms a dense carpet 
of bright green, turning red in winter. Pure white flowers on short stems. 
*S. reflexum. Jenny Stonecrop. 8 in. July, August. Trailing habit with 
erect flower stems bearing yellow flowers. 
*S. sieboldi. Siebold Stonecrop. 6 in. August, September. This variety has 
broad, bluish gray foliage, margined with showy pink, and rose-pink flowers. 
’•‘S. spectabile. Showy Stonecrop. 18 in. September, October. An erect- 
growing plant with broad green foliage and large heads of handsome rose- 
colored flowers. One of the best plants for rock gardens or borders of 
shrubbery beds. 
*S. spectabile, Brilliant. 18 in. September, October. A more richly colored 
form of the above, being a bright amaranth-red. 
’"S. stoloniferum. Running Stonecrop. 4 in. July, August. A trailing 
plant with flat, fleshy leaves and pink flowers. 
SEMPERVIVUM - Houseleek 
A most interesting group of plants suitable for dry walls, rockeries, and 
edgings. All of them form firm, fleshy rosettes of foliage with smaller offsets, 
from which they derive their common name of “Hen and Chickens.” Most 
of them bloom in June and July, and they are attractive for their very curious 
habit and amusing form. 
*Sempervivum arachnoldeum. Spiderweb Houseleek. 3 in. A lacy net¬ 
work of fine threads spreads from tip to tip of leaves, giving a cobweb 
effect. The flowers are bright red. 
*S. globiferum. Globe Houseleek. 6 in. Flattish rosettes of gray leaves 
with small yellow flowers. 
*S. tectorum. Roof Houseleek. 8 in. Broad rosettes of green leaves with 
reddish tips and light red flowers. 
SIDALCEA 
Sidalcea, Rosy Gem. Prairiemallow. 3 ft. July, August. Erect-growing, 
branching plants covered with bright rose-colored flowers. 
Except Where Otherwise Noted, Perennials are 30c Each; ^3.00 per Dozen 
