INDEX 
species, 136; cotyledons, 138, 
145; variation in colour of 
flowers, 147; scientific names, 
duration, maturity of sexual 
organs, overlap, and pollina- 
tion, 162; first-instance dis- 
persal (seed-throwing), seed- 
coat and peculiarities, 163 
Cress, germination, 13, 80 
Crocus, function of cotyledon, 81 
Cross-pollination, 48, 51-3 ; Herb 
Robert, 115; Cranesbills, 139, 
155-6, 162; Meadow Cranes- 
bill, 148; Storksbill, 149, 162 
Crystals, needle. See Raphides 
Cuckoo-flower, dispersal, 76—7 
Cuckoo-pint, needle crystals, 30 ; 
poisonous, 30 
Cudweed, woolly, 22 
Cut-leaved Cranesbill (Geranium 
dissectum). See Cranesbill 
Cuttings, 43 [ 
D 
Daffodil, rest, 40; bulbils, 44; 
function of cotyledon, 81 
Daisy, sleep, 25; coherent 
stamens, 47 
Dandelion, latex, 31; dispersal, 
65 
Darwin on pollination, 48 
Dead leaves, dispersers, 67-8, 
128; and seed-sowing, 82, 
129 
Dead-nettle, White, self-pollina- 
tion, 55 
Defensive nature 
weapons, 26 
Dehiscence of fruits, 67 
Disease. See Fungi, Greenfly, 
Mildew, Rust and Smut 
Dispersal, 62-78; objects of, 
62-5; wind, 65-9; water, 
69-71; animals, 71-6; self, 
76-8; Herb Robert, 121-8; 
Cranesbills, 143, 163 ; Storks- 
bill, 150-1, 163 
Dispersers. See Animals, Ants, 
Birds, Cascades, Cat, Dead 
of plants’ 
| Foliage-leaf, 

167 
leaves, Dog, Field-mouse, Jay, 
Mice, Mud, Rain, Rivers, 
Runnels, Shrew, Snails, Spar- 
row, Spiders’ webs, Squirrels, 
Streams, Tree-creeper, Vole, 
Water-, Wind, Wren 
Dog, disperser, 71—2 
Dovesfoot (Geranium  molle) 
fungi, 139; appearance of 
cotyledons, 144 
Dovesfoot, Small (Geranium 
pusillum), stamens, 139, 146, 
153 
Drought, protection from, 24 
Dusky Cranesbill (Geranium 
pheum). See Cranesbill 
E 
Earthworm, seed - sower, 82, 
128-9 
Elm, dispersal, 65 
Embryo, 60; nutrition, 61 
Enchanter’s-nightshade, crystals 
29, 30,34; runners, 38; dis- 
persal, 71—2 
Erodium cicutarium. See Storks- 
bill 
Er 
Factors of 
table of, 89 
Fertilization, Herb Robert, 117 
Field Mouse. See Mouse 
Life, vital, 19; 
| Filament of stamen, 46 
Flag, Blue, starch in stem, 16; 
Yellow, root, 14; water-pipes, 
14-5; dispersal, 68-9 
Flowering-rush, pistil, 46 
Flowers, Herb Robert, 112-20, 
136; Meadow Cranesbill and 
Storksbill, 146-9 
Fly, pollination-agent, 50; at 
Herb Robert, 115 
Monkshood, 
Herb Robert, 93-101, 138 
Food of plants, how obtained, 
See Nutrition 
60; 
