chapter 1 General introduction / part Part 1 Geranium -- chapter 2 History of nomenclature, usage and cultivation of Geranium and Pelargonium species / chapter 3 The taxonomy of Geranium species and cultivars, their origins and growth in the wild / chapter 4 Phytochemistry of the genus Geranium / chapter 5 Cultivation and harvesting of Geranium macrorrhizum and Geranium sanguineum for medicinal use in Bulgaria / chapter 6 Essential oil of Geranium macrorrhizum L. production, extraction, distillation and use / chapter 7 Use of Geranium species extracts as herbal medicines / part Part 2 Pelargonium -- chapter 8 The taxonomy of Pelargonium species and cultivars, their origins and growth in the wild / chapter 9 Cultivation and sales of Pelargonium plants for ornamental use in the UK and worldwide / chapter 10 Growing pelargoniums in the garden, conservatory and for shows / chapter 11 Phytochemistry of the genus Pelargonium / chapter 12 Pharmacology of Pelargonium essential oils and extracts in vitro and in vivo / chapter 13 Antimicrobial properties of Pelargonium extracts contrasted with that of Geranium / chapter 14 Essential oils from different Pelargonium species and cultivars: their chemical composition (using GC, GC/MS) and appearance of trichomes (under EM) / chapter 15 Chemotaxonomy of Pelargonium based on alkaloids and essential oils / chapter 16 Phylogenetical relationship within the genus Pelargonium based on the RAPD-PCR method of DNA analysis correlated with the essential oil composition / chapter 17 Geranium essential oil: standardisation, ISO; adulteration and its detection using GC, enantiomeric columns, toxicity and bioactivity / chapter 18 Rose-scented geranium a Pelargonium grown for the perfume industry / chapter 19 Cultivation and distillation of Geranium oil from Pelargonium species in India / chapter 20 Micropropagation and biotechnological approaches to tissue culture of Pelargonium species and production of essential oils of scenteds / chapter 21 Geranium oil and its use in aromatherapy / chapter 22 Perfumery and cosmetic products utilising Geranium oil / chapter 23 New research: possible uses of various Pelargonium leaf oils and extracts as food preservatives / chapter 24 Pelargonium reniforme and Pelargonium sidoides: their botany, chemistry and medicinal use / chapter 25 Interactions between arthropod pests and pelargoniums / chapter 26 Correlation of the chemical profiles of the essential oil of Pelargonium (Geranium oil) and others separately and in mixes, with their relaxant or stimulant properties in man and smooth muscle preparations in vitro