24 SHRUBS. 
76. Leaves with twinned hairs beneath. Cornus. 
Leaves resinous beneath. . Gaylussacia. 
Leaves neither resinous nor with twinned hairs. 77. 
77. Leaves with silvery or brown scales, Elaeagnus. 
go. 
QT. 
Leaves hairy or ciliate or stellate-scurfy. 78. 
Leaves essentially glabrous when mature. 84. 
Leaves woolly or scurfy beneath. 7y. 
Leaves not woolly. 8r1. 
Leaves rather large, or else fruit dry. &o. 
Leaves moderate: berry-like fruit small. Vaccinium. 
Leaves and berry-like fruit both small. Cotoneaster. 
Leaves round-elliptical, woolly beneath. Cydonia. 
Leaves and twigs for a time stellate-scurfy. Styrax. 
. Twigs coarse, hairy: bundle-traces 3. Leitneria. 
Twigs rather slender: bundle-trace 1. 82, 
. Buds pressed into grooves in the stem. Lyonia. 
Buds not in grooves. 83. 
. Leaves very raised-veiny. Vaccinium. 
Leaves not raised-veiny. Rhododendron (Azalea; Rhodora). 
. Leaves lanceolate. 85. 
Leaves obovate or elliptical or oblong. QI. 
. Twigs green, distinctly angled. Genista. 
Twigs not green. 86. 
Leaves crowded at tip. Daphne. 
Leaves scattered. 87. 
. With stellate hairs when young. Styrax. 
Without star-shaped hairs. 88. 
. Fruit dry: bark shredding. Pieris. 
Fruit fleshy. 8o. 
Leaf-scars concave at top. Pyrularia. 
Leaf-scars not concave. 90. 
Fruit short-stalked, red. Tlex. 
Fruit long-stalked, blue. Vaccinium. 
Leaves green on both sides. 92. 
Leaves pale or whitened beneath. 96. 
