Hitchcock — Opening of Buds of Some Woody Plants. 141 



75. Oornus asperifolia. Terminal bud developing. 76. Outer scale or leaf . 

 77. Sambucus Ca?iadensis. Supernumerary buds, the uppermost developing. 

 78-79. Scales. 



80. Symphoricarpos vulgaris. Developing bud. 



81. Fraxinus viridis. Terminal bud with one pair of scales developing. 82 . 



Bud with two pairs of scales. 

 8+ Ulmus fulva. Swelling bud. 83. Bud further developed. 85. First pair 



of scale-like stipules. 

 8(>. Ulmus Americana. Swelling bud. 87. Young leaf and stipules. 

 88. Celtis occidentalis. Two young flowering branches. 89. Young leaf 



branch with one row of scales removed. 

 90 Morus rubra. Developing bud. 91-93. Young leaves. 94. Stipule. 

 95. Platanus occidentalis. Developing bud. 96-97. Scales. 98. Stipules of 



young leaf, partially unfolded. 

 99. Juglans nigra. Two flower buds with the catkins removed, showing two 



or three scales at base. 100. Developing leaf bud. 101. Scales and 



young leaf. 

 102-103. Caryaamara. Buds developing. 

 104. Ostrya Virginica. Developing bud, with one leaf removed. 105 



Swelling bud. 

 106. Quercus macrocarpa. Developing bud. 107. Cross section of leaf show- 

 ing vernation. 108. Part of young branch showing young leaf and 



stipules. 109-110. Young leaves. 

 111. Quercus Muhlenbergii. Developing bud. 112. Young leaf . 

 113. Quercus tinctoria. Swelling bud. 114. Bud with outer scales removed, 



showing young leaf. 115. Young leaf with stipules. 



116. Salix amygdaloides. Developing bud. 



117. Salix cordata. Developing bud. 118. Outer scale with inner thin one 



attached at base, two views. 

 119. Populus monilifera. Developing bud. 120. Scales and young leaf. 

 121. Smilaz hispida. Young branch. 122. Young leaf with its stipules. 



Issued Jan. 15, 1893. 



