Nature heals! This compact field guide introduces readers to 26 common Canadian wild plants with extraordinary healing properties. Use arnica blossoms to heal muscle inflammation, improve digestion with chickweed and soothe a toothache with yarrow root--learning to identify and use wild medicinal plants is both fascinating and useful.
Plants of the Virgin Mountains is a compact field guide to the common plants found in Arizona's northwest corner (and adjoining Nevada and southern Utah). The rugged Virgin Mountain range encompasses plants of the Mohave desert like Joshua tree, creosote bush, and various cacti, to high mountain forest with ponderosa pine and Douglas fir. This elevational gradient adds to the diversity of habitats and their associated plants, making the range of interest to botanists, naturalists, and explorers. Covered in the book are 28 trees and shrubs, 12 types of cactus and cactus-like plants, and 26 species of herbaceous plants ("wildflowers"). Each plant is illustrated with a line drawing and described in non-technical terms, with information added on any human or wildlife use of the plant. An illustrated glossary and a section describing the range's various ecosystems is included. Although not a complete flora of the Virgin Mountains, this book serves as a handy introduction to many of the common (and colorful) plants a visitor to the area is likely to see.
Plants form a fundamental element of the biosphere, and the evolution of plants has directly affected the evolution of animal life and the evolution of the Earth's climate. Plants have also become essential to humans not only in the form of cereal crops, fruit, and vegetables, but in their many other uses in wood and paper, and in providing medicines. Their aesthetic importance too in our parks and gardens as well as in wildflower meadows and great forests should not be underestimated. In this Very Short Introduction Timothy Walker, Director of the Botanical Gardens in Oxford, provides a concise account of the nature of plants, their variety, their evolution, and their importance and uses, stressing the need and efforts for their conservation for future generations. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.
A train of wagons and men wound slowly over the hills in the darkness and rain toward the South. In the wagons lay fourteen or fifteen thousand wounded soldiers, but they made little noise, as the wheels sank suddenly in the mud or bumped over stones. Although the vast majority of them were young, boys or not much more, they had learned to be masters of themselves, and they suffered in silence, save when some one, lost in fever, uttered a groan.
Process intensification (PI) leads to a substantially smaller, cleaner, safer and more energy efficient process technology. For example, the scale reduction made possible by using high gravity fields to separate liquids has seen the reduction of distillation columns from 75m to a four of five metres in height in some areas.