TREES AND SHRUBS FOR DIFFERENT FLOWERING EFFECTS : Page 404
G. Producing White Flowers. This group of plants is sub-divided in the same way as are the two preceding groups, and consistsonly of those plants producing white flowers in sufficient quantity andsize to be an effective element in the landscape planting.
a. Early-flowering sorts:
Azalea viscosa Lonicera tatarica alba
Swamp Azalea White Tartarian Honeysuckle
Chionanthus_ virginica Magnolia stellata
White Fringe Starry Magnolia
Cornus (in variety) Prunus (in variety)