PLANTS FOR USE ON THE OREGON AND WASHINGTON COASTAL PLAIN : Page 1046
A soil containing an excess of uncombined alkali, lime, magnesia,sodium carbonate, etc. A good soil should be very slightly alkaline.Changes red litmus paper to blue.
A way framed on either side by symmetrical rows of closely plantedtrees or tall shrubs (of a height not less than twice the width betweenrows), and so maintained that either side presents a continuous verticalwall of close-growing foliage.
A way framed on either side by symmetrical rows of closely plantedtrees or shrubs, so maintained that the branches of the continuouswalls of close-growing foliage arch and interweave across the top ofthe way, at a height of not less than seven or eight feet.