150 



EXPLANATION OF PLATES. 



PLATE XVII. 



Fig. 



95. Cross section of fruit-stalk of Apple just as it enters fruit, showing tenfibro-vascular 



bundles — lour single, and the other six forming three pairs on left side. 



96. Cross section of stalk of young Cleopatra Apple, showing the ten main 



vascular bundles . . . . . . . . . . x 30 



97. Cross section of young Cleopatra Apple below seed-vessels, also showing 



ten bundles — five opposite to, and five between position of seed-vessels x 30 



98. Section lengthwise of a vascular bundle, showing the spiral vessels 



prominently . . . . . . . . . . . . x 100 



99. Section crosswise of vascular bundle, showing xylem or wood portion 



(upper) and phloem or bast portion (lower) . . . . x 100 



100. Elements of frbro-vascular bundle of Apple (after Howard) .. ... x 425 



