The young tribal church in the Philippines faces stiff challenges. Mormon missionaries are making inroads. So are strong local cults. Alarm grows as the church elders feel unequal to the task. Simultaneously God is preparing Martin Haworth and his wife Alexandra to meet this challenge.

One missionary family overcomes the obstacles of spiritual warfare, backsliding Christians, and native language barriers to promote church growth in the Filipino jungles.

Botany; Species of Mangifera other than the mango; The embryony of the mango; The classification of the mango; The mango in the philippines; The mango in Florida, Hawaii, Porto Rico and Cuba; Grafted varieties in India; The mango as an orgamental tree; Climate; Soil; Propagation; Topworking old trees; Shipment of material for propagation; Clearing and planting; Cillage, cover, and secondary crops; Pruning; Fertilization; Forcing; Harvesting and marketing; Composition and uses of the mango;; Other uses of the mango; Diseases; Insect pests; Spraying; Formulas for fungicides and insecticides.

These volumes are an exhaustive source of information on the control and regulation of flowering. They present data on the factors controlling flower induction and how they may be affected by climate and chemical treatments. For each plant, specific information is provided on all aspects of flower development, including sex expression, requirements for flowering initiation and development, photoperiod, light density, vernalization, and other temperature effects and interactions. Individual species are described from the standpoint of juvenility and maturation, morphology, induction and morphogenesis to anthesis. All information is presented alphabetically for easy reference