H. reptans. Himal. 
H. “Sungold.” 
H. Vanfleetii (H. prolificum x frondosum). 
IBERIS, Cruciferae. Candytuft. Low evergreen subshrubs 
adapted to rock-garden conditions. They thrive in ordinary 
soils and in full sun [5E]. 
I. corifolia. S. Eli. 
I. Pruitii. Sicily. 
I. saxatilis. S. Eu. (My.). 
I. sempervirens. S. Eu., W. Asia (My.). 
I. s. “Little Gem." 
IDESIA, Flacourtiaceae. The only hardy tree of a large tropical 
family. It is vigorous when young and produces large panicles 
of red fruits [6D, nursery]. 
I. polycarpa. S. Japan, C. and W. China (My.-Jn.). 
I. p. vestita. W. China. 
ILEX, Aquifoliaceae. Holly. The deciduous hollies are red- 
fruiting and prefer an abundance of moisture and full sun. Be¬ 
cause of their unisexual character, both sexes must be planted 
together to ensure fruiting [6F, nursery]. 
1. decidua. Possum-haw; Va. to Fla. and Tex. 
I. dubia pseudomacropoda.* 
I. laevigata. Winterberry; Me. to Pa. and Va. 
1. longipes. N. C. and Tenn. to Ga. 
I. montana macropoda (I. dubia m.). Japan. 
I. serrata. Japan. 
I. s. argutidens. 
I. verticillata. Black-alder; Can. to Wis. and Fla. 
The evergreen hollies are mostly shrubs and small trees with 
lustrous ornamental foliage and red or black fruit. Many, in- 
* I. dubia is native in the southeastern states. 
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