KEYS LEAVES OPPOSITE 



xix 



112. Leaves and buds gray- or golden-scurfy. p. 318. Olea. 

 Not scurfy. 113. 



113. Pith spongy. 114. 

 Pith continuous. 117. 



114. Sap milky: pith round. 



Sap not milky: pith usually 4-angled. 



115. Pubescent: pith brown. 

 Glabrous: pith green or white. 116. 



116. Leaves very small (5-8x15-20 mm.). 

 Leaves distinctly larger. 



117. Buds not superposed. 118. 

 Buds often superposed. 120. 



118. Leaves small (2 cm.). 119. 

 Leaves larger: stipules sheathing. 



119. Leaves blunt. 

 Leaves acute. 



120. Bundle-trace at top of the leaf-scar. 

 Bundle-trace in the middle of the leaf-scar. 121. 



121. Leaf-scars relatively large (3 mm.), p. 315. Osmanthus. 

 Leaf-scars smaller, elevated. 122. 



122. Leaves elliptical. 



Leaves ovate or lanceolate. 123. 



123. Leaves entire, lance-ovate. 

 Leaves toothed or else not ovate. 



124. Pith spongy. 125. 



Pith finally chambered or excavated. 

 Pith continuous and persistent. 130. 



125. Leaf-scars round: bark flaking. p. 249. Lagerstroemia. 

 Leaf-scars crescent-shaped. p. 195. Evonymus. 



126. Buds slender, finally much multiplied, p. 308. Forsythia. 

 Buds only 1-3 in each axil. 127. 



127. Leaf -scars shield-shaped. p. 312. Schrebera. 

 Leaf-scars triangular or lens- or crescent-shaped. 128. 



128. Leaf-scars raised, shriveled. p. 352. Symphoricarpos. 

 Leaf-scars low. 129. 



p. 324. Allamanda. 

 115. 

 p. 253. Psidium. 



p. 198. Pachistima. 

 p. 195. Evonymus. 



p. 346. Coffea. 



p. 177. Buxus. 



p. 244. Daphne. 



p. 178. Simmondsia. 



p. 278. Kalmia. 



p. 319. Ligustrum. 

 p. 314. Phillyraea. 



126. 



