79. 
80. 
93. 
94. 
KryYS—LEAVES OPPOSITE Xvii 
Buds quite sessile. 80. 
Buds somewhat stalked: pith continuous. 83. 
Pith continuous. 81. 
Pith spongy: often stellately pubescent. p. 77. Deutzia. 
Pith excavated: twigs slender. p. 358. Abelia. 
. Evergreen: leaf-scars at first raised. p. 267. Garrya. 
Deciduous: leaf-scars low. 82. 
. Leaf-scars meeting. p. 75. Jamesia. 
Leaf-scars not meeting. p. 202. Acer. 
. Leaf-sears for a time raised: scales valvate. p. 262. Cornus. 
Without this combination of characters. 84. 
. Leaf-scars meeting in a point. p. 202. Acer. 
Leaf-scars not meeting. p. 349. Viburnum. 
. Aromatic: buds closely superposed. p. 66. Calycanthus. 
Not fragrant: buds solitary. p. 165. Phellodendron. 
. Leaf-scars fringed: evergreen: sap milky. p. 326. Nerium. 
Without this combination of characters. 87. 
. Soft pithy half-shrubs: buds superposed. 88. 
Without this combination of characters. 92. 
. Peppery-aromatic: leaf-scars U- or C-shaped. p. 333. Vitex. 
Not peppery-aromatic. 89. 
. Leaf-sear subelliptical. 90. 
Leaf-sear triangular or crescent-shaped. p.321. Buddleia. 
Leaf-scar or bundle-trace C-shaped. p. 331. Callicarpa. 
. Leaf-sears of each pair connected. p. 342. Tecoma. 
Leaf-sears not connected by a downy line. 91. 
. Leaf-scar straight at top. p.332. Caryopteris. 
Leaf-scar notched. p. 329. Clerodendron. 
. Bundle-traces many in a compound or elliptical series. 93. 
Bundle-traces few (often 3), rather distinct. 95. 
Bundle-traces 1, sometimes obscure. 97. 
Sap milky: bud-scales striated. p. 36. Broussonetia. 
Sap not milky: bud-scales 2 or four, not ribbed. 94. 
Pith chambered: leaf-scars elliptical. p. 337. Paulownia. 
Pith continuous: scars shield-shaped. p. 310. Fraxinus. 
