Table 2

Number of injection sites and correlation coefficients of the left and right injection site distances (Fig. 1) to the distal distribution of dye in the circumference of the branch.

Character	Number of injection sites 0.5 to 1.5 × branch radius		Correlation (R) D to C^*
Character	Left	Right	Left	Right
Genus
Acer saccharum	8	11	.70	.40
Fraxinus pennsylvanica	9	11	.80	.55
Gleditsia triacanthos	11	11	.53	.69
Juglans nigra	13	12	.29	.59
Litiodendron tulipifera	12	14	.60	.69
Malus sargentii	7	10	.52	.50
Tilia americana	14	12	.74	.68
Ulmus procera	11	12	.52	.42
Injection dates
April 25	6	10	.51	.82
May 9	13	14	.31	.39
May 25	6	5	.49	.79
June 20	10	10	.32	.75
July 17	15	16	.49	.45
August 31	13	13	.73	.34
September 15	11	13	.41	.49
October 5	11	12	.63	.35

↵* D = Distance of injection site from X divided by branch diamneter (Fig. 1); R = Correlation coefficient; C = Branch circumference code, see Figure 1.