Black Walnut 20 3 24 2 0 39 Persian Walnut 15 2 13 1 0 15 Chinese Chestnut 35 6 32 7 3 37 Pignut Hickory 19 0 22 0 3 16 Shellbark Hickory 9 0 8 0 0 13 Shagbark Hickory 27 0 25 0 2 28 Pecan 21 0 23 0 0 15 Pawpaw 102 0 140 0 20 85 D. kaki 6 2 5 3 0 10 D. lotus 20 11 18 7 0 30 D. Virginia 16 0 20 0 0 14 showed the least tendency to produce tap-rooted seedlings. Typical branched or fibrous-rooted seedlings grown in vermiculite are illustrated in Figure 1. [Illustration: Fig. 1. Seedlings grown in vermiculite medium. Left, _Juglans regia_; right, _Castanea mollissima_.] Summary The chief difficulty encountered in transplanting several nut tree and other commonly tap-rooted seedlings is thought to be due to the lack of a branched root system. The methods and results of a fairly simple technique of inducing fibrous roots, that of growing seedlings in vermiculite, have been presented. FOOTNOTES: [Footnote 21: First Assistant in Plant Breeding, University of Illinois, Department of Horticulture.] [Footnote 22: Formerly Half-time Assistant in Plant Breeding, University of Illinois, Department of Horticulture.] Eastern Black Walnut Survey, 1951 H. F. STOKE, _Roanoke, Va._ The Northern Nut Growers Association, at its 1950 Annual Meeting, adopted a resolution directing that a survey covering the eastern American black walnut, _Juglans nigra_ be conducted during the ensuing year, and that the services of the State and regional Vice-presidents be utilized in making the survey. In carrying out this mandate fifty questionaires were sent out, and 37 replies were received. Of these, 33 were from the States, including the District of Columbia, three were from Canada, including British Columbia, Ontario and Prince Edward Island, respectively, and one was from Belgium. From these replies, as compiled, it is apparent that the natural range of the American black walnut may be defined approximately as follows: