Phlox ovata. See page 19 
HARDY NATIVE WILD FLOWERS and GROUND-COVER PLANTS, continued 
HEUCHERA americana. American Alum-root. 1 to 2 ft. 
Large, beautifully mottled leaves and lacy greenish white 
flowers in late June.H 
HOUSTONIA caerulea. Bluets. 3 to 4 in. Dainty cushion-like 
plant with pale blue to white blossoms in the open sun or 
partial shade in April. 
caerulea faxonorum. Alpine variety of Caerulea. Pure white 
with prominent yellow eye. Very good for the rock-garden. 
Either sun or shade. May. Potted plants. 30 cts. each.. 
serpyllifolia. Creeping Bluets. 3 to 6 in. Blue flowers. 
A fine rock-garden plant . 
HYDRASTIS canadensis. Goldenseal. 1 to 1^ ft. A fine 
medicinal herb. 
HYDROPHYLLUM virginianum. Waterleaf. 1 to 3 ft. 
White to violet shading to deep purple. Shade. Very 
good for the woodland path. May-August. 
HYPOXIS hirsuta. Yellow Stargrass. 4 to 6 in. Yellow. Open 
sun, or partial shade. Dry soil. An interesting plant. . . . 
INULA helenium. Elecampane. 2 ft. Sunflower-like blos¬ 
soms in midsummer in moist shade. 
IRIS cristata. Crested Iris. 4 in. A fine rock-garden plant in 
either sun or shade. Sky-blue flowers. May. 
lacustris. Dwarf Lake Iris. 3 to 4 in. A dwarf Iris from 
the gravelly shores of Lake Huron. Lilac-blue flowers in 
May. Moist soil in shade. Rare.$1.00 each.. 
verna. Vernal Iris. Blue flowers on 4-inch stems in dry 
woods or the rock-garden. May. 
ISOPYRUM biternatum. False Rue Anemone. White. Moist, 
shady places. Excellent for the woodland path. April, 
May.. 
JEFFERSONIA diphylla. Twinleaf. White flowers on 6 to 
8-inch stems. Shade. April, May. 
LATHYRUS maritimus. Beach Pea. Purple blossoms on 
1 to 2-foot vines. Sandy soil. Sun. June.. 
LESPEDEZA capitata. Roundhead Bushclover. Yellowish 
white blossoms on 2 to 5-foot stems. Dry, gravelly soil. 
Sun. July. 
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