By William Carey Grimm
William Carey Grimm's vintage Illustrated e-book of Trees has been the authority on japanese North American tree id for over forty years. Now to be had in a totally up-to-date variation, this ebook contains lately brought species and accommodates adjustments in taxonomy, nomenclature, and geographic variety, with distinguishing features and similar-species comparisons for fast and exact id. Readers might be in a position to simply establish a species by means of looking at the leaves, vegetation, and end result of a tree in summer time or its twigs, buds, and bark in wintry weather. Written in a simple, nonscientific language for starting botanists of any age. A thesaurus of phrases & an entire index are included.
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Extra resources for The Illustrated Book of Trees: The Comprehensive Field Guide to More Than 250 Trees of Eastern North America
Example text
78) 78. Pith of the branchlets with transverse woody partitions TUPELO GUMS (Nyssa) 368 78a. Pith of the branchlets otherwise. (79) 79. Leaves bristle-pointed at the tip; branchlets with a 5-angled pith OAKS (Quercus) 159 79a. Leaves merely long-pointed at the tip; branchlets with a large round white pithCORKWOOD (Leitneria floridana)114 80. Armed with thorns or prickles. (81) 80a. Without thorns or prickles. (84) 81. Leaflets with entire margins; the short and broad-based thorns paired at the nodes COMMON LOCUST (Robinia pseudoacacia) 304 81a.
Most of our common broad-leaved trees, or hardwoods, have deciduous leaves. A few, like the Rhododendron and the Mountain Laurel, retain their leaves for two or more years and are known as evergreens. Most coniferous or cone-bearing trees, such as the pines, hemlocks, and spruces, are also evergreens. The coniferous trees are also known as softwoods.
These are pod-like fruits which also result from a simple pistil, but at maturity they split down only one side (Magnolias). c. Capsules. Pod-like fruits which result from a compound pistil. At maturity they split into two or more parts which correspond to the number of carpels of which they are composed (Willows, Mountain Laurel, Rhododendron). 3. Fleshy fruits: a. Pomes. Fruits which are derived from a compound pistil surrounded by, and united with, the enlarged calyx and receptacle. The latter forms the fleshy portion of the fruit; the former forms the "core" which contains the seeds (Apples, Shadbush, Mountain Ash).