20 
Isaac Langley Williams • Exeter, New Hampshire 
Sanguinaria canadensis ( Bloodroot ). See page 10 
HARDY NATIVE WILD FLOWERS and GROUND-COVER PLANTS, continued 
PODOPHYLLUM pel taturn. May Apple. White flowers in 
May on 1-foot stems in the open woods.: 
POLEMONIUM reptans. Greek Valerian. Blue. Shade. 
Good blue for the shady rock-garden or perennial border. 
April, May. 
POLYGALA paucifolia. Fringed Polygala. Dainty rose-purple 
flower on a 4-inch stem in May. Prefers dry shade. 
POLYGONATUM biflorum. Solomonseal. White bells in 
May along the underside of an arching 1 to lj^-foot spray 
of leaves, followed by blue berries all summer, in open 
woods. 
commutatum. Giant Solomonseal. Grows 3 to 4 feet tall 
in moist, open fields. May . 
POTENTILLA tridentata. Wineleaf Cinquefoil. A wonderful 
ground-cover for open rocks and gravelly soil. Small, 
waxy leaves that turn wine-colored in the fall. Rock- 
garden plant. June. 
PRUNELLA vulgaris. Common Self heal or Dragonhead. 6 to 
12 in. Blue. Sun or shade. Moist or dry locations. At¬ 
tractive in large masses. May-October. 
PYROLA americana. Roundleaf Pyrola. Leathery, light 
green leaves, with fragrant, waxy white flowers on an 
8-inch stem in July. Shade. 
elliptica. Shinleaf. Similar to Pyrola americana but the 
leaves are not evergreen. . 
RANUNCULUS bulbosus. Bulbous Buttercup. Grows in 
compact clumps with large yellow flowers on 1-foot stems 
in June and July. 
RUDBECKIA hirta. Black-eyed-susan. 2 ft. Orange-yellow 
with purple-brown centers. A biennial. July. 
SALVIA azurea. Azure Salvia. 2 to 5 ft. Azure-blue. Open 
sun. Excellent color. Good cut-flower. July-September . 
3 
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