INDEX 



481 



{.Numbers refer lo pages) 



Hazels, 281, 284. 



Head, 165, 190, 196; of rye, 227. 



Hepths, anthers of, 148. 



Heartseed, 268. 



Heart-shaped, 118. 



Helicold cyme, 195. 



Heliotrope, inflorescence, 195. 



Heliotropes, 222. 



Heliotropism, 330. 



Hemerocallis, 362. 



Hemlock knot, 22. 



Hen-and-ohickens, 355. 



Henbane, fruit, 262. 



Hepatica, akene, 251, 276; blooming 



of, 414; flower, 131, 139, 145, 153, 



183, 188; peduncle of, 163; phenol- 

 ogy, 417; sleep of, 404. 

 Herbarium, 437, 443. 

 Herbs, 388, 393. 

 Hermaphroiite, 139. 

 Heterogenous, 240. 

 Heterostyled, 240. 

 Hexagynia, 433. 

 Hexamerous, 214. 

 Hibiscus, flower, 209; fruit, 265. 

 Hickory, habit, 391; inflorescence, 



161, 163, 306; nuts, 281, 285; twigs, 



42, 57. 

 Hicoria glabra, 44; microcarpa, 44; 



ovata, 44. 

 Hilum, 332. 

 Holly, phyllotaxy, 68. 

 Hollyhock, flower, 209. 

 Hollyhocks, leaf-scars, 42; renewing, 



388. 

 Homology, 53. 

 Honey, 237. 

 Honey locust, 39; fruit, 269; leaves, 



130. 

 Honeysuckle, 57, 60, 63, 64; flower, 



237; stamen, 150; Tartarian, 39; 



classification, 326. 



Hoofs, seeds on, 338. 



Hooks for climbing, 401; on seeds, 

 338. 



Hop, climbing of, 396, 402. 



Hop-tree, fruit, 271. 



Hornbeam, catkin, 158. 



Horse-chestnut, 11, 15, 59, 64; germi- 

 nation, 328; inflorescence, 196; 

 phenology, 417. 



Horse-radish, 376, 377; leaves, 87; 

 roots of, 393. 



Horses, carry seeds, 338. 



Host, 407. 



House-leek, 325, 369; phyllotaxy, 68. 



Howell, book by, 443. 



Huckleberry, anther of, 148. 



Humming-birds, 237. 



Husk-tomato, fruit, 279. 



Hyacinth, double, 206; flower, 186. 



Hydrangea, inflorescence. 195; neu- 

 tral flowers, 179. 



Hydrophytic, 413. 



Hyphae, 351. 



Hypocotyl, 334. 



Hypogeal, 328. 



Hypogynous, 152. 



Ice-plant, 406. 

 Impotent pollen, 235. 

 Indeterminate growth, 14, 189. ' 

 Indian corn: see Corn. 

 Indian currant, 381. 

 Indian pipe, 408. 

 Indian turnip, 169. 

 Indusium, 343. 

 Inferior ovary, 151. 

 Inflexed vernation, 59. 

 Inflorescence, 162, 196. 

 Ink, for marking roots, 322. 

 Innate anther, 147. 

 Insectivorous plants, 99, 405. 

 Insect-pollination, 234, 236. 



FF 



