This section is from the book "Garden Trees and Shrubs", by Walter P. Wright. Also available from Amazon: Garden Trees And Shrubs Illustrated In Colour.
The Abele is the white Poplar, Populus alba, and is dealt with in Chapter 9. A good tree for moist spots.
Generally included in lists of hardy shrubs, but as a matter of fact not quite safe in cold districts in Northern climes. The flowers are in drooping clusters. Floribunda, an evergreen, rose flowers in spring; rupestris (syn. chinensis) sweet blush flowers); serrāt a (syn. uniflora), an evergreen, pale red, sweet, spring,tender; and triflora, cream, are generally offered. They should have light soil containing peat and leaf mould, and a sheltered place near a wall.
As stated in Chapter 17., where some of the best of the Spruce Firs are described, this genus is connected with Picea and Pseudotsuga. The synonyms are stated in the chapter referred to.
One species, vitifolium, is hardy enough to be grown outdoors in mild districts, but most of the Abutilons are greenhouse subjects. Vitifolium bears pale blue flowers in July and grows up to ten feet high. There is a white form called album. The silvery foliage is an additional attraction to this species, which is shown in one of the coloured plates.
See Robinia.
See Aralia.
 
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