EXPLANATION OF PLATE VIL 



[Figures natural size, except wliens otherwise! noted.] 



Fig. «, germinating soed; h, yonng see.Uing (early spring) with the 8 cotyledons just uufol.l.-d; c, seedling a 



tow wetks'ohlei-, showing central cluster of primary leaves just unfolding; <1, seedling at the end of the first or 



he.Munim; of tlio second season, showing bundles of true foliage (secondary) leaves succeeding the primary leaves 



which have disappeared; ., young tree, 3 to 4 years old, with characteristic large root system ; one-third natural size. 



51 



