832 



INDEX. 



Starch, translocation of, 312, 

 313, 316, 325, 329, 358, 

 363. 



bearing layer, 358. 



— -cellulose, 339. 



forming corpuscles, 309, 



316, 338, 358. 

 grains, 77, 172, 290, 334, 



341. 355, 362, 645, 



compound, 315, 337. 



concentric, 316, 338. 



development of, 315, 



316, 338. 



excentric, 316, 338. 



forms of, 337. 



growth of, 315. 



penetrated by fungi, 



389. 



semi-compound, 338. 



simple, 337. 



sizes of, 336. 



stratification of, 338. 



structure of, 337, 339. 



swelling of, 340. 



paste, 340. 



skeletons, 339. 



Stärkebildner, 316. 

 Stem, 330, 343. 



tendrils, 658. 



Stephanosphxra plwvialis^QOb. 

 Stereocaulon ramulosum, 392. 

 Stereum hirsiitimi, 388. 

 Sterile cells of pollen-grain, 



756. 



— flowers, 791. 

 Stictaftdiginosa, 391. 



— pulmonacea, 393. 

 Stigma, 758, 760, 762, 778, 



789. 



— movements of, 792. 

 Stimulation, 591, 601, 617, 



627, 644, 647, 649, 653, 

 665, 685. 



— due to contact, 597, 60 r, 

 602, 644. 



— due to electricity, 601, 

 654. 



— due to injury, 582, 583. 



— due to light, 199, 594, 

 597, 601, 625-628, 638, 

 653, 692, 694, 698, 702, 

 705. 



— due to moisture, 702, 

 717. 



— due to temperature, 597. 



— due to vibration, 597. 

 Stimuli, 189, 395, 515, 516, 



591, 601, 654, 681. 



— definition of, 590. 



— abnormal growth due to, 

 537. 



— combined action of, 627. 



— propagation of, 596-598, 

 646, 649, 662, 663. 



Stimulus, definition of, 590. 



— and effect, dispropor- 

 tionality between, 589, 

 595, 597, 598. 



Stinging-hairs, 124. 

 Stipule, 506, 507. 

 Stolon, 58, 703, 721. 

 Stoma, 249, 250. 

 Stomata, 47, 97, 115, 117, 



167, 226, 279, 416, 423, 



525. 



— functions of, 248,251, 264. 



— mechanism of, 248. 



— opening and closing of, 

 249. 



— of parasites, 251. 



— sizes of, 251. 



— subterranean, 251. 



— water, 119, 279. 

 Stone-cells, 146, 167. 

 fruit, 147. 



— -Pine, 752. 



Storage of carbo-hydrates, 

 335- 



— of reserve -materials, 330, 

 364. 



Stratification, 90. 



— of starch grains, 338. 

 Stratiotes, 13, 255. 

 Straw, 320. 



Strawberry, 58, 703, 722. 

 Stre/iizia, 50, 310. 

 Striation, 91. 

 Strontium, 383. 

 Structure, 189,503,507,678, 



— of aleurone grains, 334. 



— of flowers, 792-797. 



— of laticiferous vessels, 173. 



— of leaf, 490, 491. 



— of leaf, influence of light 

 on, 536. 



— molecular, 205, 242. 



— of motile organs,629-634, 

 645. 



— of root, 15. 



— of shoot-axis, 40. 



— of soil, 257. 



— of stamen, 652. 



— of starch-grains, 337, 339. 



— of vascular bundle, 131. 



— of wood, 237. 

 Struggle for existence among 

 » organs, 509. 



Style, 548, 651, 652, 758, 

 762,778. 



— movements of, 792. 

 Sty/idium, 596. 

 Stypocaulon, 435. 



— scoparium, 436. 

 Sub-epidermal glands 138, 

 Suberin, 88. 

 Suberisation, 88, 90. 

 Substance and form of, 



organs, 509, 521. 



Subterranean organs, 404. 



— plants, 225. 



— shoots, 61. 



— stomata, 251. 

 Succinic acid, 348, 386. 

 Succulence, 362. 

 Succulent plants, 54, 510. 

 Suction in wood-cells, 269. 

 Sugar, 172, 307, 310, 314, 



318, 323, 329, 335, 339, 

 341, 343, 347, 349, 355, 

 357, 363, 369, 384, 385, 

 390, 400, 566, 



— in fungi, 385. 



— in sap, 274, 281. 



cane, 117. 



Maple, 359. 



Sulphates, 202, 226, 253-254, 



262, 284, 287, 291, 324, 

 325. 



— in soil, 259. 



— of potassium, 342. 

 Sulphur, 206, 284, 289, 290, 



293, 324, 325, 382. 



— sources of, 291. 

 Sulphuretted hydrogen, 387. 

 Sulphuric acid, 79, 324, 345. 

 absorption by leaves, 



255. 



in sap, 274. 



Sun-flower, 11, 13, 199, 225, 

 227, 229, 244, 271, 274, 

 276, 277, 293, 309, 461, 

 468, 513, 640, 692, 699, 

 703, 763. 



— 467, 574. 

 Sun-light, 302. 

 Supports of tendrils, 666. 



— of twining plants, 668, 

 671. 



— twining without, 672, 673. 

 Suppression of anticlines and 



periclines, 442, 458. 

 Swarm-spores, 82, 107, 199, 

 429, 484, 603-605, 612, 

 613, 616, 775. 



— chlorophyll in, 603, 604. 



— experiments with, 611. 



— irritability of to light, 608, 

 610-612, 613, 621, 696. 



— movements of, 604-608, 

 777- 



— phototonus of, 612. 



— non-sexual, 728, 733, 739. 



— sexual, 728, 733, 777. 

 ■ — sizes of, 603, 605. 

 Swaying of tree-trunks, 579. 

 Swelling of organised bodies, 



207, 243. 



— of starch-grains, 340. 

 Swollen cellulose, 180. 

 Sylphium perfoitatum, 570. 

 Symbiosis, 34, 299, 390. 

 Symphoricarpus, 475. 



