INDEX 
Azaleas, Ghent and Mollis, 76 
,, Indian, 79 
,, ,, selection of varieties 
of, 84 
Botanical characters, 6 
Cross-fertilisation, 42 
Cultivation of Rhododendrons, 48 
Cuttings, propagation by, 65 
Diseases and pests, 72 
Economic properties, 12 
Famous collections, 44 
Kew, 44 
Nurseries, 45 
Private collections, 45 
Tremough, 45-50 
Sir Edmund Loder’s, 46 
Mr. Godman’s, 46 
Miss Mangles’s, 46 
Sir John Llewelyn’s, 46 
Collections in Ireland, 46 
Singleton Abbey, 47 
Grafting, propagation by, 68 
Himalayan species, comparative har- 
diness of, 51 
Historical notes {see “Introduction”) 
Hybrid Rhododendrons, 23 
Catawbiense crosses, 30 
Dean Herbert’s crossings, 24 
Hybrid Rhododendrons {continued ) — 
Earliest hybrid raised in Thompson's 
nursery, 23 
Fortunei and Blandyanum crosses, 29 
Griffithianum hybrids, 27 
Origin of Pink Pearl, 37 
Origin of Princess Juliana, 37 
Rhododendron altaclarense raised at 
Highclere, 24 
Selection of varieties, 37-41 
Selection of varieties for cold districts 
(American list), 38 
Standish and Noble’s work, 32 
Varieties for late flowering, 41 
Varieties hardy in Germany, 41 
Hybrids amongst wild plants, 8 
,, miscellaneous, 93 
Introduction, i 
Layers, propagation by, 64 
Propagation — 
Cuttings, 65 
Grafting, 68 
Layers, 64 
Seeds, 60 
Pruning and training, 59 
Rhododendron javanicum and its 
hybrids, 85 
Rhododendron, number and distribu- 
tion of species of, 14 
Rhododendron, the genus, includes all 
Azaleas, 6 
