INDEX 
125-8 ; resting period of seed, 
129-30; relatives, 131-52; 
white-flowered varieties, 136 ; 
shingle variety (var. pur- 
pureum), 132-5 
Herb Robin, origin of name, 90 
Heronsbill, species, 136. See 
Storksbill 
Hoary Plantain. See Plantain 
Holly Blue-butterfly, at Herb 
Robert, 115 
Honey, insects’ wages, 51; 
Herb Robert, 115; -guide of 
Herb Robert, 118 
Hooks on fruits, 71-2; Use, 81 
Hop, climbing, 38 
Horned-poppy, Yellow, latex, 
31 
Houseleek, vegetative propaga- 
tion, 44 
Hydra, budding, 43 
Hydrogen, 12 
Hygroscopic threads on seed of 
Herb Robert, 123-9 153, 
163; fruitlet of Storksbill, 
124; spring of Meadow 
Cranesbill, 150-1 
I 
Increase in size, how brought 
about, 18-9 
Tnsects, pollination agents, 51, 
115; debt of vegetable world 
to, 56-8 
Ivy-leaved Toadflax. See Toad- 
flax 
r | 
Jay, disperser, 73 
Jenny Wren. See Wren 
K 

Knife and Fork, 90; origin of | 
name, 119 
i69 
L 
Latex, 31, 34 
Leaf, breathing holes, 10, 95-6 
hairs, 22, 26-8; crystals, 
29; functions, 95; Herb 
Robert, 95-105; Chickweed, 
99; Storksbill, 146 
Leaf blade, hedgerow annuals, 
99 
Leaf-rosettes, of Hoary Plantain, 
37; of Cranesbills in winter, 
155 
Lens, constant use of, 9 
Lesser Celandine. See Celandine 
Lettuce, Wild, latex, 31 
Life, factors of. See Factors 
Lilac, self-pollination, 54 
Lily, Tiger, bulbils, 44 ; White, 
pollen, 49 ; self-pollination, 55; 
Turk’s-cap, _ self-pollination, 
55 
Locomotive forces of Nature, 49, 
65 
Long-stalked Cranesbill (Gera- 
nium columbinum). See 
Cranesbill 
Lords and Ladies. See Cuckoo- 
pint 
M 
Maple, wing of fruit, 66 
Marigold, Marsh. See 
marigold 
Marrow, Vegetable, one-sexed 
flowers, 47 
Marsh-marigold pistil, 46 
Meadow Cranesbill (Geranium 
pratense). See Cranesbill 
Mice, dispersers, 74 
Mildew, 26, 107 
Milky juice. See Latex 
Monkshood, seed and seedling, 
60-1 
Moth, Goat, food, 26; Spurge 
Hawk, food, 31; pollination 
agent, 50; Yellow-underwing, 
103-5, 139; Tiger, 104 
Mountain Cranesbill (Geranium 
pyrenaicum). See Cranesbill 
Marsh- 
