HARDY PERENNIALS 
61 
SPIRAEA. Goat's Beard 
Spiraea Aruncus. 4 ft. June. An ornamental " 
perennial, producing long, feathery panicles of 
white flowers, forming graceful plumes; very- 
vigorous; excellent border plant. 
S. astilboides. 2 ft. June and July. A beautiful 
variety from Japan, producing dense plumes of 
feathery white flowers. 
S. eximia. 18 to 24 in. June and July. Large 
spikes of creamy white flowers. A strong grower 
and free bloomer. One of the best. 
S. Gladstone. 18 in. June and July. A fine variety 
The immense trusses of flowers are as white as 
snow and borne on erect, strong stocks. 
S. filipendula. 2 ft. June, July. Large, showy 
heads of white flowers, tinged with rose; foliage 
fern- like. 
S. — flore pleno. 12 to 18 in. June and July. 
One of the best perennials, with double white 
flowers and fern-like foliage. 
*S. gigantea. 6 to 7 ft. July and August. Large 
heads of pure white flowers. 20c ; 82.00 per dozen. 
S. japonica. See Astilbe japonica. 
S. — multiflora. 15 in. June and July. Large 
panicles of white flowers; fine compact grower. 
*S. — Peach Blossom. 2 to 2 % ft, June and July. 
Beautiful plumy spikes of delicate pink flowers. 
Fine for cutting. 20c. each; $2.00 per dozen. 
S. palmata. 3 ft. June to August. Graceful plumes 
of lovely bright crimson flowers. 
S. — alba. 2 to 3 ft. June, July. A pure white 
variety, similar to the above. 
S. — elegans. 3 ft. June and July. A free bloomer 
with silvery pink flowers. 
S. ulmaria fl. pi. (Double White Meadow Sweet). 
2 ft. June, July. A hardy and desirable plant. 
Fragrant white flowers in thick clusters. 
S. venusta. 3 to 4 ft. July. Branching feathery 
flowers of rose color. 
Stokesia cyanea 
STACHYS. Woundwort 
Stachys Betonica superba. 12 to 18 inches. July 
to September. Spikes of rosy purple flowers. 
Fine for shrubbery border. 
S. lanata. 1 ft. July. Foliage silvery white; 
flowers small, purple; useful for edging. 
S. rosa grandiflora. 12 inches. June and July. 
Spikes of rosy pink flowers. A fine border plant 
STATICE. Sea Lavender 
Statice latifolia. 2 ft. July to September. Foliage 
broad and leathery; flowers lilac-blue; in large 
panicles; fine for bouquets. 
S. tatarica. 1 to 2 ft. August. Bright purplish 
red flowers in graceful panicles. Effective in rock 
garden or border. 
STENANTHIUM. (Feather-fleece). 
Stenanthium robustum. 3 to 4 ft. Tall showy 
panicles, often two feet long, with white feathery 
flowers. Valuable for naturalizing in moist, shady 
corners. 
STOKESIA. Stokes' Aster 
Stokesia cyanea. 1 to 2 ft. July to October. A 
charming plant, with large lavender-blue flowers. 
Of great value for border and cutting. 
S. — alba. Like the blue variety except color is 
pure white. 
TEUCRIUM. Germander 
Teucrium gChamaedrys. 1 to 2 ft. July to Sep- 
tember. Terminal spikes of bright rose flowers, 
the lower lips spotted with red and white. Foliage 
evergreen. 
THALICTRUM. Meadow Rue 
Thalictrum adiantifolium. 1 to 2 ft. June to 
mid- July. Grown for the foliage, which is grayish 
and like that of the Maidenhair Fern. Charming 
in the border as edging or in rock-garden. 
T. aquilegifolium. 2 to 3 ft. May to July. A 
graceful border plant, with heads of feathery cream- 
colored flowers; foliage finely cut. Good for rock 
garden. 
T. Delavayi. 2 to 3 ft. June and July. A highly 
valued plant, with lovely blue-green foliage; 
flowers large, handsome lilac color. A very grace- 
ful and striking variety. Good for cutting. 
T. sulphurea. 3 to 4 ft. June and July. Similar 
to T. aquilegifolium, but flowers are a sulphur 
color. 
T. dioicum. 3 to 4 ft. June and July. Large white 
flowers and a pretty fern-like foliage. 
THERMOPSIS. False Lupin 
Thermopsis caroliniana. 3 to 4 ft. June and 
July. A tall plant with bright yellow, pea- 
shaped blossoms along the upper part of the stalk. 
Foliage clover-like. Fine for wild garden. 
T. mollis. 2 to 3 ft. Mid-May to August. Erect 
branching plant; yellow flowers in showy spikes. 
Good border plant. 
THYMUS. Thyme 
T. lanuginosus. 3 to 4 in. June to August. Downy 
gray foliage. Effective for compact carpeting. 
T. Serpyllum album. 4 in. June to August. A 
pretty subject for rockery; dark green foliage 
and white flowers. 
