HARDY PLANTS OF THE BLUE RIDGE MOUNTAINS 31 
HARDY NATIVE HERBACEOUS PERENNIALS, continued 
TIARELLA cordifolia. Allegheny Foam Flower. Height about 
10 inches. White flowers in May or June. Strong.. 
TRADESCANTIA virginiana (montana). Virginia Spiderwort. 
Ribbon-like foliage and showy blue flowers. Strong. 
UVULARIA grandiflora. Big Merrybells. Largest species 
perfoliata. Wood Merrybells. Height 6 to i8 inches. Pale 
sessilifolia. Little Merrybells. Height lo to 20 inches. 
Yellow flowers in May. Strong. 
VERONICA virginica. Culver’s-Physic. Showy; 2 to 4 feet in 
height with long spikes of white flowers in midsum¬ 
mer. Strong. 
VIOLA blanda. Sweet White Violet. Height 2 to 4 inches. 
Fragrant white flowers in early spring. X strong. .. 
canadensis. Canada Violet. Whitish flowers, tinged with 
cucullata. Blue Marsh Violet. Height 6 to 10 inches. Blue 
flowers all summer. X strong. 
hastata. Halberd-leaved Yellow Violet. Long rootstock. 
pedata. Bird’s-foot Violet. Height 3 to 7 inches. Showy 
Second size. 
pedata bicolor. Two-color Bird’s-foot Violet. Height 4 to 
6 inches. Velvety light blue and purple pansy-like 
rotundifolia. Round-leaf Violet. Height 3 to 4 inches. 
Large yellow flowers in early spring. Large prostrate 
sagittata. Arrowleaf Violet. Height 4 to 8 inches. Deep 
XEROPHYLLUM asphodeloides. Turkey’s-Beard. Height 3 
to 5 feet. Long grass-like leaves. Attractive white 
flowers. Rock-garden subject. Strong. 
YUCCA filamentosa. Common Yucca. Height 3 to 8 feet. 
Large panicles of white flowers in July and August. 
flaccida. Weakleaf Yucca. Height 2 to 5 feet. Stiff narrow 
leaves. White flowers in June and July. 
Strong, 3-year. 
gloriosa (patens). Moundlily Yucca. Noble plant with 
flower-spike 8 feet high. Blooms rusty white or 
reddish. X strong. 
ZYGADENUS muscaetoxicum. Crowpoison. Long grass-like 
leaves with attractive spikes of showy white flowers 
in early spring. X strong. 
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LEAF-MOLD—NATURE’S PLANT-FOOD 
This is the food nature provides for Azaleas, Rhododendrons, Kalmias, Leuco- 
thoe, Andromedas, Hemlocks, Pines, Ferns, Lilies, Trilliums, Native Orchids, and 
Perennials. Leaf-Mold gives the proper acid elements to the soil, insuring the best 
root-systems, foliage, and flowers. Valuable for old or new lawns. Leaf-Mold is 
collected from old Rhododendron beds, without artificial or chemical treatment. 
200 lbs. $ 2 ; ton $ 12 . 50 ; carload (20 tons) $185 
1-25-38 
Thf McFarland Publicity Service, Harrisburg, Pa. 
PRINTED IN U.S.A . 
