THE ORNAMENTAL PLANTS—PERENNIALS 277 
Helianthus multiflorus.* — Height, 4 feet; flowers, large, double, 
bright yellow, and borne singly; a very striking late-flowering per- 
ennial. 
Heuchera sanguinea.* — Height, 1 to 14 feet; first week of June; 
flowers, small, bright, scarlet, borne in open panicles; continues 
blooming throughout the summer. 
Hemerocallis Dumortierti. — Height, 14 feet; second week of June; 
flowers, large, orange-yellow, with a brownish tinge on the outside, 
and three or four on a stem.T 
Hemerocallis flava. — Height, 2 to 3 feet; latter part of June; flowers, 
bright orange-yellow and fragrant. t 
Hemerocallis minor. — Height, 1 to 14 feet; second week of July; 
flowers, medium size and yellow; blooms later than the two preced- 
ing species and has a smaller flower and narrower foliage. 
Hibiscus Moscheutos.* — Height, 5 feet; third week of August ; flowers, 
very large, varying in color from white to deep pink. A variety 
called “Crimson Eye” is very good. This plant makes a fine show 
in late summer. 
Hypericum Ascyron (or pyramidatum).* — Height, 3 feet; fourth week 
of July; flowers, large, yellow, and borne singly. 
Iberis sempervirens. — Height, 6 to 12 inches; third week of May; 
flowers, pure white, fragrant, and borne in dense flat clusters. t 
Iris Chameiris. — Height, 6 inches; fourth week of May; flowers, 
bright yellow with brown markings. 
Iris flavescens. — Height, 1} to 2 feet; first week of June; flowers, 
lemon-yellow with brown markings. 
Iris Florentina. — Height, 2 feet; first week of June; flowers, very 
large, pale blue or lavender, sweet scented. t 
Iris Germanica. — Height, 2 to 3 feet; first week of June; flowers, 
very large, of elegant form; color, deep lilac and bright purple, 
sweet scented. There is a large number of choice varieties of this 
iris. t 
Iris levigata (Kempferi). — Height, 1} to 2 feet; first week of July; 
flowers, purple and modified colors, very large and distinct in color 
and shape.t 
Iris pumila. — Height, 4 to 6 inches; third week of May ; flowers, deep 
purple. There are several varieties. 
