WESTBURY STATION, Y> 69 Hardy Garden FloWers 
Thymus Serpyllum, var. aureus. A golden varie- 
gated form. 
THRIFT. SeeArmeria. 
TRADESCANTIA. Spiderwort. A plant of the 
old-fashioned gardens, sometimes persisting after 
the house has gone to ruins. Flowers bright 
violet-blue. 2 feet. June to September. 
T. alba. A white form of the above. 
TRITOMA. See Kniphofia. 
TROLLIUS Europseus. A member of the Buttercup 
family, with bright yellow globular flowers 2 inches 
through. 2 feet. May to August. 
VALERIANA. Valerian. An old-time garden 
favorite. The pinkish white flowers are borne in 
wide, open panicles. Spicy. 2 feet. May and June. 
VERONICA spuria. V. amethystina ; Speedwell. 
Amethyst-blue flowers in spikes. 2 ft. May 
and June. 
V. spicata. Flower-spikes bright blue, i X feet. 
VINCA. Myrtle, or Periwinkle. A beautiful ever- 
green cover plant. Leaves shining, rich green, 
with flowers of clear blue in May. For uses, see 
under Broad-leaved Evergreens. 6 inches. Low 
rates per thousand. See illustration on page 56. 
YUCCA. Spanish Bayonet ; Adam's Needle. A 
fine evergreen plant, having long, sharp-pointed 
leaves or needles, somewhat resembling the 
Century Plant. The beautiful creamy bells are 
borne in stately spikes. To get the full effect of 
their beauty they should be seen against an 
evergreen background. Excellent for dry banks. 
Plant in masses. 4 to 7 feet. June and July. 
See illustration on page 58. 
A garden like this is not expensive to start nor does it require slcill to maintain. The paths may be of grass or gravel. Our 
plants are extra-large ; come up with a big clump of roots and make a good showing the first year. 
SEDUM acre. Stonecrop. A creeping plant with 
bright golden star -shaped flowers in May. 
Thrives in the driest portions of the alpine gar- 
den, and may be used at the top of stone walls 
as a cover plant. 
S. album. A similar plant with white flowers. 
S. spectabile. Japanese Live-forever. Has broad 
flat heads of rose-colored flowers. Excellent for 
edging beds. 
SILPHIUM perfoliatum. Cup Plant. A stately 
plant with large leaves, squared stems and lemon- 
yellow blossoms 3 to 4 inches across. 6 feet. 
Midsummer. 
SOUTHERNWOOD. See Artemisia. 
SPIR-® A Japonica. See Astilbe. 
SPIDERWORT. See Tradescantia. 
STOKESIA cyanea. Stoke' s Aster. A very beau- 
tiful blue flower 4 inches across. It resembles the 
Cornflower of Germany. Blooms continuously 
from July till October. to 2 feet. 
STACHYS Betonica rosea. Betony. Spikes of rosy 
red flowers about 10 inches high. June and July. 
STONECROP. See Sedum. 
SUNFLOWER. See Helianthus. 
SWEET WILLIAM. See Dianthus. 
THERMOPSIS Caroliniana. Vigorous upright plant 
bearing spikes of yellow pea-shaped blossoms. 
Will thrive in poor soil. 3 feet. June and July. 
THYMUS Serpyllum, var. citriodorus. Lemon 
Thyme. A low evergreen creeper. Its aromatic 
foliage is used for flavoring. Excellent for bor- 
ders or as cover in dry places. 
