INDEX 
sexual organs, 53; _ self- 
pollination, 54-5; dispersal, 
66; closing of fruit, 67; seed 
sculpture, 81 
Rain, disperser, 70, 76-7 ; seed- 
burial, 135 
Raphides, | Enchanter’s-night- 
shade and Cuckoo-pint, 29, 30, 
34; use, 30 
Rattle, Yellow, dispersal, 65 
Relatives of Herb Robert, 131- 
52 
Reproduction, vegetative, 42-4 ; 
by seed, 44-9, 137 
Respiration 9-11; function, 19 ; 
mutual relations with nutrition 
. and growth, 19 
Rest, 39-41, 137; Herb Robert, 
110-1, 129; Cranesbills and 
Storksbill, 154 
Rice, starch, 15 
Rivers, dispersers. 69 
Root, function, 13, 94-5; -hairs, 
14; Herb Robert, 95; shingle 
variety of Herb Robert, 132 
Rose, prickles, 27 ; suckers, 44 ; 
Briar, glandular hairs, 27 
Rose, Christmas. See Christmas 
Rose 
Rosettes, leaf. See Leaf-rosettes 
Round-leaved Cranesbill (Gera- 
nium rotundifolium). See 
Cranesbill 
Rubber, a latex, 31 
Rules for Nature-study, 5—7 
Runnels, dispersers, 71 
Runners, Sweet Violet, 38, 44; 
Enchanter’s-nightshade, 3% 
Rush, Flowering. See Flowering- 
rush 
Rust, 26, 107; on Cranesbills, 
139 
Rye Grass. See Grass 
Ss 
Sage, Wood. See Wood-sage 
Scabious, Garden, germination, 
85-6; Small, 85 
Scarlet-rnner, function of cotyle- 
dons, 81 

171 
Scheme of Creation. See Co- 
operative Scheme of Creation 
Sculpture, seeds, use, 81, 144; 
Cranebills, 163 
Sedge, Wood, leaf margin, 28 
Seed, prolific formation, 32; re- 
production by, 44-9; structure, 
60-1; -coat, 60-1; dis- 
persal, 62-78; objects of 
dispersal, 62—5; animal food, 
63 ; mucilage, 67, 71, 73, 82; 
sculpture, 81, 144; sowing, 
128-9, 151-2; Columbine, 
60-1 ; Convolvulus, 79; 
Cranesbills, 163 ; Herb Robert, 
120-30, 163 ; dispersal, 121-8 ; 
Monkshood, 61; Storksbill, 
150-2, 163 
Seedling, competition, 35-7; 
patrimony, 60-2 ; growth, 79- 
81; Monkshood, 60; Scabious, 
85-6 ; Herb Robert, 92-5 
Seed-sowing for observations, 
40, 79, 80, 87, 88 
Self-anchorage, seeds, 87; Sca- 
bious, 85—6; Storksbill, 85, 151, 
163; Dusky Cranesbill, 151, 163 
Self-dispersal, 76-8, 87 
Self-heal, dispersal, 70-1 
Self-nourishment of plants, 87 
Self-pollination, 48, 53-6, 87; 
hindered for a time, 52; 
removal of hindrances, 53-5 ; 
Herb Robert, 117-8; Cranes- 
bills, 139, 162; Storksbill, 150, 
162 
Self-sownseeds, Ivy-leaved Toad- 
flax, 82-3 
Sepals, Herb Robert, 113, 118, 
120; Storksbill, 148 
Separation of sexes, 47-8, 52-3 
Shade, adverse influence of, 39; 
-plants of Storksbill, 149 
Shepherd’s-purse, dispersal, 67 
Shining Cranesbill (Geranium 
lucidum). See Cranesbill 
Shrew, disperser, 125 
Silica on leaves of Sedges and 
Grasses, 28 
Silverweed, silky, 22; 
dead hairs, 26 
dry and 
