830 



INDEX. 



Scleroblasts, 167. 

 Scolopendrium, 51. 

 ScopoUa atropoidei, 792. 

 Scorzonera, 173. 



— hispanica, 173. 

 Scrophutaria nodosa, 792. 

 Scrophularineae, 55, 760, 780. 

 Sculpture of cell-wall, 92, 



137- 

 Scutellum, 373. 

 Scybalium, 64. 

 Scyphantus elegans, 669. 

 Scytonema, 392. 

 Sea water, 287-288. 

 Second phase of growth, 414, 



417, 437- 

 Secondary cortex, 156, 163. 



— thickening, 155. 



— uses of excreta, 329. 

 Secretion, 186, 376. 

 Secretions, 172, 179, 328, 



329, 362. 



— receptacles for, 171, 175, 

 329. 



vesicles, 176, 179. 



Sections of organs, 432, 436, 



439, 442. 447. 

 Sedges, 59, 219, 470. 

 Sedum, 177, 321. 



— purpureum, 119. 

 Seed-coats, 147, 753. 

 leaves, 753. 



— -plants, 753, 766. 

 Seedless Phanerogams, 802. 

 Seedlings, 366, 399, 401, 414, 



531, 539, 564, 575, 581, 

 584, 694, 702, 710, 712. 



— absorbing organ of, 344. 



— compared to parasites, 



373- 



— fat in, 347. 



— ferments in, 343, 389. 



— geotropism of, 679, 692. 



— reserve materials in, 363. 

 Seeds, 300, 312, 323, 326, 



327, 330, 332, 334, 335, 

 357, 364, 404, 411,414, 

 46s, 485, 538, 745, 748, 

 750-756, 763-766, 798. 



— composition of, 290. 



— contrasted with spores, 



753. 



— exalbuminous, 763, 764. 



— ferments in, 345. 



— germination of, 398, 742, 



752, 753- 



— reserve-materials in, 332, 



334, 343- 



— ripening of, 321, 323, 352. 

 Segment, 95, 100. 

 Segmentation, 425, 483. 



— of Bacteria, 387. 

 Segmented laticiferous ves- 

 sels, 173. 



Segments of apical-cell, 452, 

 453, 454, 455, 456, 473, 

 545. 



Selaginella, 25, 40, 301, 455, 



— 19. 



— apical cell of, 452. 



— caulescens, 750. 



— insequalifolia, 22. 

 41, 110, 149, 749. 



— Isevigata, 22. 



— Martensii, 22. 

 750. 



Selanigellae, reproduction of, 



741, 749, 764- 

 Selective power of roots, 287. 

 Self-fertilisation, avoidance 



of,787, 790,791,794-797, 



799- 



pollination, 791. 



sterile flowers, 790. 



Sempernii-vum, 321. 

 Senecio umbrosus, 564, 572. 



— -vulgaris, 640. 

 Sensitive Plant, 644-649. 

 Sensitiveness, 395. 



— of root, 16. 

 Sepals, 497. 



Separating layer of autumn- 

 leaves, 319. 



Septa, transverse, 432. 



Septum, 103. 



Sequence of anticlines and 

 periclines, 443. 



Sessile leaves, 53. 



Seta, 738. 



Sexual affinity, 781. 



— cells, mutual interaction 

 of, 767, 770. 



differences between, 



768. 

 origin of, 787. 



— organs, 467, 491, 508, 724, 

 728, 734, 741, 769, 799. 



— reproduction, 107, 721, 

 728, 733, 770, 798-800. 



of algae, 728. 



of Equisetum, 740. 



of ferns, 744. 



of fungi, 725. 



of mosses, 737. 



replaced by asexual, 



802. 



— swarmspores,728,733,777. 

 Sexuality, 780. 



— enfeeblement of, 783. 



— object of, 799. 

 Shade-plants, 302, 306. 

 Shaking as aiFecting tran- 

 spiration, 252. 



Sheathing leaves, 470. 

 Shoot-axis, erection of, 686, 

 687. 



— heliotropism of, 693. 



— primary, 753. 



Shoot, 3, 36, 37, 414, ^2^, 

 447, 454, 457, 460, 467, 

 474, 484, 505, 508, 510, 



520, 528, 564, 569, 571, 

 581, 678, 723. 



— development of, 744. 



— geotropism of, 679, 680, 

 690, 691. 



— growth of, 41, 414, 421, 

 422, 540, 542-544. 



— growing point of, 425. 



— organisation of, 43, 481, 



— regeneration from, 721, 

 723- 



— vascular bundles of, 44, 



126. 

 axis, 4, 38, 39, 45, 417, 



424, 482, 486, 492, 504, 



510, 511, 569, 570,575, 



669, 674, 703. 



dorsiventral, 455, 485. 



of Fern, 45. 



respiration of, 400. 



axes, thickening of, 155. 



forming substance, 519, 



521, 522. 



— -pole, 484. 



system, 510. 



Shoots,adventitious,475,477, 



478. 



— climbing, 483, 489, 548, 

 668, 669, 674, 675, 713. 



— creeping, 483, 485, 489, 

 492, 678, 699. 



— exogenous development 

 of, 475- 



— metamorphosed, 54. 



— of parasites, 63, 64. 



— plagiotropic and ortho- 

 tropic contrasted, 494. 



— radial and dorsiventral 

 contrasted, 494. 



— of algsE, 54, 65, 69. 



— of fungi, 54, 71. 



— of mosses, 54, 65. 



— of parasites, 63, 64. 

 Shortening of root, 19, 575, 



576. 



— of tissues, 570-572. 

 Shrub, 510. 



S icy OS, 658, 661. 

 Sieve-tubes, 135, 160, 163, 

 175, 325, 355, 416, 423- 



— emptying of, 361. 



— as places of origin of pro- 

 teids, 325. 



— pressures on, 360. 

 Silene, 640, 780. 



— iri/lata, 781. 



Silica, 88, 163,260, 288,289, 



320, 383. 

 Siliceous deposits, 288. 



— skeletons, 288. 

 Silicification, 289, 



