SHRUBS 
Native and naturalized, within prescribed territory, 
classified by their LEAVES. 
Shrubs not ‘‘evergreen’’ nor cone-bearing (for those, 
see below). 
Shrubs not thorny nor prickly (for those, see below), 
widely distributed—at least not limited to the 
frontier States of our area. 
ANALYTICAL KEY 
LEAVES SIMPLE: 
ALTERNATE (or close-clustered) : 
Entire + 4, 5, 26, 49-56, 92-102, 118-121, 123, 144, 146, 
147, 156, 168 (willows, 181-183, 186) (‘‘ Trees,” 1, 
8, 9, 10, 63) 
Serrate or wavy-edged (not lobed): I-3, 5-17, 50, 51, 
56;,57, 106, 105, 107; 127, 158, 159, 167, 168, F790 
176, 178 (willows, 179-181, 184, 185, 187) (‘‘ Trees,” 
27, 30, 35, 39, 42, 47, 49, 53, 57, 63, 64) 
Lobed (not serrate) : 169, 176, 177 (‘‘ Trees,” 49) 
Serrate and Lobed ; 18-21, 104, 106 (‘‘ Trees,” 27, 47) 
OpposITE (or whorled) : 
Entire: 22-26, 58-61, 65, 90, 93, 102, 108, 109, III, 
II2, 118, I1g, 128-131, 133, 134, 137, 148, 149 
(Frees: ) 92:/93) 
Serrate (not lobed): 27, 28, 58, 62-66, 139, I5I, 152 
('Erees.7” 96) 
Lobed (not serrate): 108, 109 
Serrate and Lobed : 67, 68 (‘‘ Trees,” 101, 102) 
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