ILLUSTRATIONS 



Mountain Alder, Fruiting Spray of, 467 

 Pussy Willow, Catkins of, 470 

 Balsam Willow, Leafy Spray of, 471 

 Broad-leaved Willow, Leafy Spray of, 473 

 Heart-leaved Willow, Leafy Spray of, 47.5 

 Bog Willow, Leafy Spray of, 479 

 Prairie Willow, Leafy Spray of, 480 

 Dwarf Gray Willow, Leafy Spray of, 4S1 

 Hoary Willow, Leafy Spray of, 483 

 Silky Willow, Leafy Spray of, 485 

 Slender Willow, Leafy Spray of, 4S7 

 Black Crowberry, Fruiting Branch of, 489 

 Conrad's Crowberry, Leafy Branch of, <gg? 

 American Yew, Fruiting Spray of, 494 

 European Yew, Fruiting Spray of, 496 



