Part 111

Yellow Mariposa Tulip, 174

Yellow Pansy, 120

Yellow Pond-Lily, 184

Yellow-Root, 67

Yellow Sand-Verbena, 146

Yellow Star Tulip, 130

Yellow Sweet Clover, 156

Yerba Buena, 62

Yerba de Chivato, 91

Yerba del Indio, 354

Yerba del Pasmo, 61

Yerba Mansa, 76

Yerba Santa, 56

Yucca-Palm, 44

Zygadene, 6

INDEX OF TECHNICAL TERMS

PAGE

Aggregate fruit, xxx

Akene, xxx

Ament, xxviii

Anther, xxix

Axil, xxii

Berry, xxx

Blade, xxiii

Bract, xxvii

Bulb, xxiii

Calyx, xxviii

Capsule, xxx