264 
Embryo case, 192, 198, 226. 
Endosperm, 22, 28, 209. 
Erect plants, 40, 41. 
Fern, bank of ferns, 205. 
bracken, 211. 
film, 206. 
fruit dots of, 205, 206, 208. 
harts-tongue, 210. 
life story of, 204-211. 
little spleenwort, 207. 
maidenhair, 208. 
polypody, 208. 
prothallium of, 208-210. 
spore cases, 205, 206. 
spores of, 205, 206. 
Fittonia, 71, 72, 148. 
Forest, mixed, 231. 
conifers above broad-leaved trees, 
231. 
Forest societies, 253-256. 
Fruits, 168-175. 
Fruits, explosive, 177. 
Garden balsam, explosive fruits of, 
176. 
Garden societies, 260, 261. 
Gas given off in starch-making, 121- 
125. 
Germ, 193, 208. 
Germ pocket of fern prothallium, 
208, 209. 
Girdle scars, 37. 
Gorse, explosive fruits of, 177. 
Hazel, 165. 
Herbaceous plants, 44. 
Hyacinth, 105. 
Hydrogen, 124, 125, 
Hypocotyl, 19. 
INDEX 
Impatiens, explosive fruits of, 176, 
Iodine, tincture of, 109. 
Ivy, 55, 154, 155. 
Larches, 254. 
Leaf scars, 37. 
Leaves, 60-73. 
autumn, 62. 
colour of, 60-62. 
compound, 63-65. 
duration of, 72. 
evergreen, 202, 203. 
mosaic of, 71. 
position of, 67-70. 
simple, 63, 64. 
spine-like, 66. 
stonecrop, 61. 
variegated, 61, 112, 113. 
veins of, 72, 108. 
wearing a mask, 65, 66. 
work of, 73, 115. 
Life substance, 92, 193. 
royal bit of, 193. 
Light, behaviour of plants toward, 
136-149. 
effect of, on growth, 137-139. 
importance of, in starch-making, 
116, 117. 
influence of, on leaves, 142-149. 
Lime-water, 127. 
Maize, 2. 
Maple, seeds of, 183. 
Marrow, 5. 
Mimosa, 182-135. 
Moss, capsule of, 213, 214. 
life story of, 212-214. 
pigeon-wheat, 213, 214. 
spores of, 214. 
Mushroom, bracket, 232. 

