HARDY PERENNIALS AND ROCK-PLANTS 
11 
Hetnerocallis. See page 12 
HEDERA helix. English Ivy. Beautiful as a ground-cover or on Each 10 
helix baltica. Small-Ieaved form differing little from type. 
Hardier. 3-in. pots. 
helix conglomerata. Small, twisted Ivy that neither creeps 
nor climbs, but forms picturesque little bushes. 3-in. pots.. . 
helix gracilis. Dark green leaves smaller than H. helix. 
3-in. pots... 
helix hastata. Small, creeping Ivy with heart-shaped leaves. 
3-in. pots. 
helix peltata. A miniature Ivy with small, deeply cut, star¬ 
shaped leaves of a very dark green. Slow climber that forms 
a beautiful pattern when grown against a wall and never 
makes a very heavy growth. 3-in. pots. 
HELENIUM autumnale. Sneezeweed. Tall. Brilliant yellow. 
3-4 ft. August, September. 
hoopesi. Slender parasols of russet, amber, and copper. 3—4 
ft. June-August. 
HELIANTHEMUM Hybrids. ★ Sunrose. Sinall, shrub-like 
plants, with masses of single rose-like flowers in yellow, pink, 
orange, and Chinese red. 8 in. June, July. 
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