INDEX 
Dandelion, member of sunflower 
family, 38; the lion’s tooth, 106- 
107 
Dasheen, 172-173 
Date, home and cultivation of, 58- 
59, 94-95; male and female, 102- 
103 
Dewberry, 8-9 
Dwarf trees, 146-147 
Earth stars, 77 
Elf-cups, 76 
Elms, 42-43 
Evergreens, 84-85 
Eerns, 62 
Fertilization, of grass, 13; of morn¬ 
ing glory, 14; of oak, 41; of pine, 
63; of date, 102-103; of corn, 
108-109; of daisy, 142-143 
Figs, 59 
Fir, 84^85 
Friar’s cowl, 76 
Fungi, agents of decay, 76-77; 
shunned by man, 86-87; spores 
of, 116-117; make no sugar, 118— 
119; prey on plants and animals, 
152-153 
Garlic, 50, 57 
Goldenrod, 38, 66 
Goosefoot family, 57 
Gourd family, 18-19 
Grafting, of grapes, 80-81; of 
peaches and other fruits, 98-99; 
of lazy trees, 134-135; of dwarf 
trees, 147 
Grape, North American, 30-31; 
European, 80-81 
Grapefruit, 48-49 
Grapevine, largest in world, 30 
Grass, inside grower, 70 
Grasses, giant, 12-13 
Greasewood, 61 
Hevea, rubber tree, 21 
Hyacinth, 50 
Insects, enemies of cotton, 5; ene¬ 
mies of grapes, 31, 80; destroyed 
by parasites, 153; spread by 
man, 160-161 
Juniper, 84r-85 
Knot holes, 144-145 
Kumquat, 171 
Lakes, effect of on climate, 115 
Leaves, as sugar factories, 16—17; 
beginning of twigs, 26-27; for 
wig-wagging, 180-181; as tree 
ash cans, 182-183 
Lettuce, member of sunflower 
family, 66; cultivation of, 67 
Lily family, 50-51; 96-97, 155 
Locust, 180 
Mango tree, 79 
Maple tree, 90, 158-159 
Mold, 76-77, 152 
Morning glory, fertilization of, 14- 
15; cousin to sweet potato, 122- 
123 
Mushroom, member of fungus 
family, 76; poisonous, 87; spores 
of, 116-117; lives upon other 
plants, 118-119 
Mustard family, 54, 57 
Nightshade family, 2-3 
Nitrogen, 166-167 
Nuts, 124-125 
Oak, 46-47, 154; produces cork, 
128, 129 
Oak family, members of, 40-41, 
184-185 
Ocotillo, 74 
Onion, member of lily family, 50- 
51; likeness to turnip, 57 
194 
