. Luther Burbank: his methods and discoveries and their practical application. Prepared from his original field notes covering more than 100,000 experiments made during forty years devoted to plant improvement, with the assistance of the Luther Burbank Society and its entire membership, under the editorial direction of John Whitson and Robert John and Henry Smith Williams. sibilities,whereas, in point of fact, these plants may haveno greater intrinsic merit than others that havecontinued their growth and so will show at themoment smaller buds and leaves. These complications must be very carefu
. Luther Burbank: his methods and discoveries and their practical application. Prepared from his original field notes covering more than 100,000 experiments made during forty years devoted to plant improvement, with the assistance of the Luther Burbank Society and its entire membership, under the editorial direction of John Whitson and Robert John and Henry Smith Williams. sibilities,whereas, in point of fact, these plants may haveno greater intrinsic merit than others that havecontinued their growth and so will show at themoment smaller buds and leaves. These complications must be very carefullytaken into account in choosing seedlings to savefor the development of improved varieties. The general rule that large leaves, full buds,and large short-jointed stems indicate individ-uals that will bear large fruit of fine quality mustbe constantly regarded, but the complications in-troduced by the anomalous habit of growth justreferred to must not be overlooked. Can the Microscopist Help? In carrying out a series of selections with theidea of developing a race of apricots with blos-soms resistant to low temperature, there is un-fortunately little to be expected from crossingdifferent varieties of this species, because all ex-isting varieties have been cultivated under moreor less the same climatic conditions. Indeed, the outlying forms to which one would [248]. ;?5aft S o «• 2 c Is* =5 C 5 2 ft a. 0 §• 2. ? ( f» i O 3 o a ^* ? 2. a 3 r-**?* * * «! ** •* • 5 a a. « ?* •* K C O•a 3 3(^ Co (^ o LUTHER BURBANK naturally appeal are chiefly natives of Asia Minor,Palestine, and Persia, and while they might servea useful purpose, if hybridized with races nowgrowing in America, in giving a tendency to varia-bility and perhaps also an added virility, it ishardly to be expected that they bear hereditaryfactors that would greatly aid in the particularmatter under consideration, because of the warmclimate to which they and their ancestors havebeen habituat
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