INDEX 



245 



Hastate (fig. 260) 



Haw, 146 



Hawthorn. See Cratsegus 



Hazel, 26, 61, 69, 74, io7-ii2(figs. 



12, 18, 131-139) 

 Heart-wood, 28 

 Heat, evolution of, 218 

 Helianthus, 21, 164-168 (figs. 127, 



208-212) 

 Helichrysum, 168 

 Helicoid, 233 xxii. 

 Heliotrope, 153 

 Heliotropism, 221 

 Helleborus, 22, 45, 122 

 Hemicyclic, 67, 72 

 Hemlock, 148 



Heracleum, 146-148 (183-186) 

 Herb, herbaceous, 27 

 Herb Robert. See Geranium 

 Hermaphrodite, 233 xxiii. 

 Hesperidium, 237 XLIII. 

 Hirsute, 232 xix. 

 Hispid, 232 XIX. 

 Honeysuckle. See Lonicera. 

 Honeysuckle family. See Capri- 



foliacese 

 Hop, 34 



Horizontal ovule, 236 XL. 

 Horse-chestnut, 18, 22, 92 

 Horse-radish, 127 

 Hover flies, 81, 158, 174 

 Humble-bees, 8i 

 Humble-bee-flower, 81, 120, 155, 



157, 158 

 Humus, 190 

 Hyacinth, Hyacinthus, 33, 169, 170 



(figs. 53, 213, 214) 

 Hydrotropism, 222 

 Hypocotyl, 4 (fig. 4) 

 Hypocrateriform (fig. 275) 

 Hypogynous, 74 (fig. 105) 



I.MBRICATE, 22, 73 (figs. IO3, IO4) 

 Imparipinnate, 232 xv. 

 Imperfect, 233 xxiii. 

 Included, 235 xxxiii. 

 Incomplete, 233 xxill. 

 Indefinite growth, 24 

 Indehiscent fruit, 89, 92, 93 (figs. 



28, US, 127, 128) 

 Induplicate, 232 xvii. (fig. 31) 



Inferior ovary, 75 (fig- 107) 

 Inflated, 234 xxviii. (fig. 272) 

 Inflexed, 237 XLiv. 

 Inflorescence, S1-S6, 233 

 Infructescence, 88 

 Infundibuliform, 234 xxviii. (fig. 



274) 

 Innate anther, 235 xxxv. 

 Insect-pollination, 79-81, 158, 180 

 Integument, 84, 86 

 Internode, 9 

 Introrse, 62 

 Involucre, 55 

 Involute (fig. 35) 

 Iridacese, 171-174 

 Iris, 172-174 (figs. 118, 216-219) 

 Iron, 195 

 Irregular dehiscence, 91 



— flowers, 68 (figs. 96, 97) 

 Irritability, 224 

 Irritable-climbers, 35 

 Isomerous, 233 xxiv. 

 Isostemonous, 235 xxxii. 

 Ivy, 8, 34, 41, 53 



Jerusalem Artichoke, 168 



Keel, 138 



Labellum, 175 



Labiatee, 96, 153-156, 236 xxxvii., 



237 XLin. 

 Laciniee, 232 xv. 

 Laciniate, 232 XV. 

 Lamina, 14, 16-18 

 Lamium, 12, 57, 154-156 (figs. 191, 



192) 

 Lanceolate (fig. 255) 

 Larch, 41, 50 

 Larkspur, 122 

 Lateral bud, 10 



— root, 6 



— style, 236 XXXVII. 

 Leaf, 3, 5, 9-23, 224, 230 

 Leaf-blade. See Lamina. 

 Leaflet, 17 

 Leaf-sheath, 15 

 Leaf-stalk, 14, 15 

 Leaf-spine, 37 

 Leaf-tendril, 38 (fig. 59) 

 Legume, 89 (fig. 119) 



