Xxxii Krys—LEAves ALTERNATE 
319. 
325. 
Leaf-scars somewhat 3-lobed. p. 132. Albizzia. 
Leaf-scars not lobed. p. 218. Hovenia. 
. Twigs warty: bud-seales fringed. p. 211. Xanthoceras. 
Without this combination of characters. 321. ~ 
. Twigs warty: end-bud lacking. p. 126. Maddenia. 
Without this combination of characters. 322. 
. Stipules persistent: leaf-scars raised. p. 148. Laburnum. 
Stipules lacking: leaf-scars raised. p. 109. Photinia. 
Without either of these combinations of characters. 323. 
. Pith 5-sided: twigs often corky-ridged. p. 85. Liquidambar. 
Pith not sharply 5-angled. 324. 
. Leaf-scars often 2-ranked. 325. 
Leaf-scars in more than 2 ranks. 332. 
Bud-secales several pairs in 2 ranks. 326. 
Bud-seales not evidently in 2 ranks. 328. 
. Bud-secales acute. p. 41. Aphananthe. 
Bud-seales obtuse. 327. 
. Buds ovoid, moderate or else twigs gray. p. 38. Ulmus. 
Buds round, small: twigs cherry-colored. p.39. Planera. 
. End-bud present. p. 89. Corylopsis. 
End-bud lacking. 329. 
. Bud-seales striate: bark of trunk scaly. p. 22. Ostrya. 
Without this combination of characters. 330. 
. Bud-seales 2. p. 226. Tilia. 
Bud-seales about half-a-dozen. 331. 
. Buds nearly globose: twigs often bristly. p. 20 Corylus. 
Buds ovoid: not bristly: tree. p. 21. Carpinus. 
. Visible bud-seales two. 333. 
Exposed-scales more than two or buds naked. 334. 
. Scales valvate: end-bud present. p. 262. Cornus. 
Seales overlapping: end-bud lacking.  p.144. Cladrastis. 
. Without stipules or stipule-scars. 335. 
With stipule-scars or persistent stipules. 338. 
. Aromatic: twigs green, mucilaginous. p. 71. Sassafras. 
Not aromatic. 336. 
