INDEX 



Growth, in length, 77 ; thick- 

 ness, 79-80; monopodial, *69, 

 92; sympodial, *93 ; regions 

 of, *99; factors influencing, 

 ch. ix., 97. 



Guava, see Psidium ; Hill-G. 

 see Rhodomyrtus. 



Guazuma, 298. . 



Gyrocarpus, fruit, *259. 



H 



HABENARIA, *404. 



Hairs on fruits, 261 ; seeds, 257 ; 



root-hairs, 17. 

 Haulm - stem of grass. 

 Heart-wood, dead, 26. 

 Hedychium, 399. 

 Helianthus, 335. 

 Heliotropic, Heliotropism, 101. 

 Heliotropium, 358, *360. 

 Henna, sec Lawsonia. 

 Herbs, herbaceous, etc., 73-4. 

 Heritiera, 298. 

 Hibiscus, 290, 294 ; stipules, 



41-. 



Hill Guava, see Rhodomyrtus. 

 Hilum of seed, 48. 

 Hippeastrum, 384. 

 Hiptage, fruit, *259. 

 Homologous, 64. 

 Homology, instances, ch. xv ; of 



tendrils, 185 ; thorns, 172. 

 Homskioldia calyx, 208. 

 Horny endosperm, 253. 

 Hoya, 354, 109. 

 Hyacinth, 386. 

 Hydrophylax, 335. 

 Hypericum, 194. 

 Hypocotyl, 51. 

 Hypogeal, 65. 



IBERIS, 287. 



Imbricate aestivation, 215 ; as- 

 cending and descending, 323. 



Imparri pinnate, *44, 46. 

 Impatiens, 301-*2, 406. 

 Indefinite, of inflorescence, 196. 

 Indigofera, 371, *44. 

 Induplicate aestivation, 215. 

 Inga, see Pithecolobium. 

 Integuments of seed, 245. 

 Involucre, 191, 337. 

 Ipomcea, 355-7 ; 105-6. 

 Ixora, 332, "193. 



J 



JAK, see Artocarpus. 

 Justicia, 364, 223. 



K 



KALANCHOE, 73. 

 Keel petals, 203. 

 Kohl-rabi, see Brassica. 

 Korukapuli, see Pithecolobium. 



LABELLUM of Orchids, 214, 402- 

 *4. 



Labiatse, 195, 368. 



Laburnum, see Cassia. 



Lagenaria, 341. 



Lagerstroemia, 329. 



Lanceolate, of leaves, 144, * 109. 

 *352. 



Lantana, 107, 130. 



Lantern-flower, see Ceropegia. 



Lark-spur, see Delphinium. 



Launea, *113, 337. 



Lawsonia, 329. 



Leaf, arrangements, 34, 37 ; 

 parts, 39; l.-bud, 162; l.-fall, 

 84, 166 ; 1-scars, 83 ; sleep of k 

 167 ; growth of 1. -stalk, 358. 



Lenticels, 83. 



Leonotis, 370. 



Leucas, 369. 



Liane, 72. 



Denotes a figure. 



