
INDEX 
Abutilon, variegated leaf of, 111. 
Achene, 170. 
Acorn, 174. 
Amanita, 217. 
Ampelopsis, 154. 
Annuals, 42. 
Apple, 178, 174. 
Arum, 166. 
Assimilation, 119. 
Barberry, 66. 
Barium carbonate, 127. 
Barium hydrate, 127. 
Baryta-water, 127. 
Beggar needles, 170. 
Behaviour of flowers, 156-167. 
Behaviour of plants, 182-167. 
Berry, 172. 
Biennials, 43. 
Blackberry, 171, 172. 
Bladder membrane, 76-78, 90. 
Breathing of plants, 126-1381. 
Buds, 33-39. 
Bulb, 50. 
Bur marigold, 170. 
seeds of, 183. 
Burdock, fruit of, 183. 
Buttercup, flower of, 156, 157. 
Buttresses, 57. 
Cactus society, 257. 
Calcium carbonate, 127. 
Capsule fruit, 169. 
263 
Carbon dioxid, 123-131. 
Carbonic acid, 123, 125. 
Caulicle, 19, 20. 
Caustic potash, 129, 130. 
Cedar of Lebanon, 148. 
Cell, make-believe plant, 76-78. 
Cells, plant, work of, 79, 85. 
Chloral hydrate, 111. 
Cleavers, 184. 
Clematis, seeds of, 182. 
Climbing by coiled stems, 151. 
by roots, 154. 
by tendrils, 152. 
Climbing plants, 150-155. 
Cobalt-chloride paper, 97. 
Compass plant, 143. 
Corm, 52. 
Cotyledons, 3-6, 12-15, 72, 73, 
108. 
Cross pollination, 164, 167. 
Daisy, 161. 
Dandelion, curling of stem, 85, 86. 
seeds of, 178, 182. 
Desert societies, 256-258. 
Dodder, 151, 152. 
Drupe, 170, 178, 175. 
Earth stars, 220, 221. 
Elm, seeds of, 182. 
Elodea, 115, 116, 121. 
Embryo, 19, 22. 
of fern, 209. 
