422 



INDEX AND GLOSSARY 



Hardback, 361 . 



Hardwood cuttiiiK, 27. 



Harebell, 399. 



Hanstoria, 86 



Haw, lilack, 397, Fig. 279. 



Hawkweed, -404, 405. 



Hawthorn. 104, 360, Figs. 152-155; 



graft, 28. 

 Hazel, 133, 158. 



Head: short dense spike, (239), Fig. 176. 

 Heart -seed, 344. 

 Heart's-ease, 337. 



Hedera Helix, 251, 261, 269, Fig. 162. 

 Hedeoma, 370. 

 Hedge hyssop, 376. 

 Helianthus. 407. 

 Heliotrope, 381. 

 Heliotropism: turning towards the light, 



(100). 

 Hemerocallis, 299. 

 Hemerocallis flava, 299; fulva, 299. 

 Hemlock, 293, Fig. 425. 

 Hematoxylin, 241. 

 Hemp, 316, 387. 

 Henna root, 241. 

 Hepatica, 148, 324. 

 Herbaceous: not woody, (11). 

 Herbarium, 279. 

 Herb Robert, 342. 

 Heredity, 230. 

 Heteropcism, 185. 

 Hibiscus, 341, Fig. 139. 

 Hickory, 39, 51, 147, Figs. 59, 60, 83; in- 

 florescence, 117, 133. 

 Hieracium, 404. 

 Ililum or seed-scar, 165. 

 Hip: fruit of the rose, 155, Fig. 265. 

 Ilobblebush, 398. 

 Hog-peanut, 134, Fig. 215. 

 Hollyhock, .340, Figs. 206, 207, 235; 



flower, 130, 139, Figs. 206, 207, 235; 



hairs, 2,35. 

 Holly, phyllotaxy, 49; tree, Fig. 352. 

 Homology: related in origin or structure, 



(211). 

 Honesty fruit, 152. 

 Honey locust, 349; buds, 37; leaves, 95; 



thorns, 105; tree, 63. 

 Honesuckle buds, 37, 53, Fig. 85; family, 



396, 397; leaves. Fig. 134; phyllotaxy, 



49; swamp, 394; Tartarian, 396; Fig. 



85; trumpet, 397; twiner, 112. 

 Hop clover, 351, 352. 

 Hop, 111, 112, 316, Fig. 167. 

 Horehound, 371. 

 Horse-chestnut, 346; bud, 36; fruit, Fig. 



251; leaf-scar, 37; thyrse, Fig'. 184. 

 Horsemint, 369. 

 Horseradish, 335. 



Horsetails, 192, Fig. 342. 



Horse-weed, 411, Fig. 501. 



Host, 85. 



Hound's tongue, 162, 382. 



House-leek, 21; phyllotaxy, 49. 



Houstonia, 395. 



Huckleberry, 392; anther, 129. 



Humulus Japonicus, 316; lupulus, 316. 



Humus, 202. 



Hyacinth, 35, 299; crystals, 250; grape, 



299; inflorescence, Fig. 174; scape, 



120. 

 Hydrangea, 119, 363; doubling, 145. 

 Hydrogen, 72. 

 Hydrophyllaces, 383. 

 Hvdrophytic society, 219, Figs. 369, 



377. 

 Hypericacea>, 338. 

 Hypericum, 339. 

 Hypocotyl: that part of the caulicle 



lying below the cotyledons, (311). 

 Hypogeal: cotyledons remaining be- 

 neath the ground in germination, 



(311). 

 Hypogynous: borne on the torus, or un- 

 der the ovary, (283). 

 Hypoxis, 305. 

 Iberis, 336. 

 Imbedding, 243. 

 Immersed, 198. 

 Impatiens, 343, Figs. 462, 463; collen- 



chyma, 254; root-pres.sure, 73; water 



pores, 271; seeds, 158. 

 Imperfect flower, having either stamens 



or pistils, (257). 

 Inclusions, 249 

 Incomplete flower: any parts wanting, 



(257). 

 Indehiscent: not opening, (287). 

 Independent plants, 85. 

 Indeterminate: growing on from the 



apex, (236). 

 Indian pink, 399. 

 Indian pipe, S5, 394. 

 Indian turnip, 141, 295, P'ig. 226. 

 India-rubber plant, 246. 250, 251, 269. 

 India wheat, 318. 

 Indigo, false, 351 . 

 Indusium, 173. 

 Inflorescence: mode of flower-bearing: 



less properly, a flower-cluster, (246). 

 Innocence, 375. 

 Insects and flowers, 131. 

 Internode: space between two joints or 



nodes, (64). 

 Inulin, 246. 

 Involucre: a whorl of small leaves or 



bracts standing close tmderneath a 



flower or flower-cluster, (278). 



