. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . ed by a pood layer of loose stones, open atintenals to the air, placed over the siirfaee before fill-ing,
. The standard cyclopedia of horticulture; a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists . ed by a pood layer of loose stones, open atintenals to the air, placed over the siirfaee before fill-ing, or, in some Ciises, by the use of agricultural tilednuns on the old surface at close intervals and soarrangeil as to facilitate a free circulation of fresh airthrough the tiles. Street trees. In the development of to^\Ti9 and cities, the need oftrivs as a protection againsti wind h;us been reiluced toa minimum since the cIoscIn built houses protect oneanother. This close building, however, has broughtabout another untoward con<lition tliat needs ameliora-ting; this is the replacing of the viist extent of green,common to the open country, by a motley array of dis-cordant colors. Many of these colors have been demon-strated experimentally and practically to have excitingand debilitating effects on thephysical condition of of the great utility of parksis to afford urban residentsrelief from this color excite- .Vs far as possible, thesoothing green needs to be. 315. A group of surviving hemlock spruces. taken into the city streets to rest the tired nervesthrough the effect on the ej-e. Also, the shade helps tore<iuce the temperature by absorbing the suns rays;the large amounts of watx^r the tree transpires also helpsto cool the air. These beneficial effects make it worthwhile to expend effort and money to secure well-shadedy^ireeta. Figs. .323, 324. The conditions in urban communities are adverse totree growth. Streets are narrow and the trees crowded;ro
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Keywords: ., bookcentury1900, bookdecade1910, bookpublis, booksubjectgardening
