INDEX 



Staminate flowers, 5jj, 834, S37, Q38. 



Starch, $22, 528, 687, gi2, gi;; sheath, 683. 



Stellate cells, 56/; hairs, 572. 



Stem, 488, 4SQ, 64s : aeration, 660 : aerial, 

 7iq, 72s; air chambers, S5', 553, 703, 

 718; aquatic, 719; asymmetry, 734,755," 

 barli, 704, 708, 700; branching, 646, 647, 

 64Q; chlorophyll, 660, 661; climbing, 

 6$i, 652, 6s3, 654, 6s5, 636; conductive 

 tissue, 678, 670, 680. 681, 682, 683, 684, 

 685. 686, 687, 688, 689, 6qo, 692, 693; 

 corlc, 703, 706, 707 ; correlation, 747 ; 

 creeping, 501, 672, 673; display, 542, 

 543, 546, 548, 645, 646, 648, 649, 650, 

 666, 667; duration, 717; dwarfing, 730, 



731, 732, 733, 734 ; elongation, 646, 648, 

 725, 726, 727, 728, 72Q, 736; epidermis, 

 704; erectness, 647 ; excretion, 722, 723, 

 724; fall, 713; food accumulation, 719; 

 habit, 384, 385, 588, 709, 711, 715; len- 

 ticels, 660, 661, 662, 663 ; mechanical 

 tissue, (5p(5, 697, 6gQ, 700, 701, 702, 703; 

 multicipital, 504, 676, 677; pendulous, 

 657; periodicity, 735, 7J(5, 737 ; polarity, 

 749; protection, 704; regeneration, 7 48; 

 reproduction, 667, 668, 66g, 670, 671, 

 672, 673, 674, 675, 676, 677, 678 ; running, 

 672, 673; section, 551, 685, 701, 702, 703, 

 769; spines, 739. 740, 741, 742, 743; 

 subterranean, 667, 668, 669, 670, 671, 

 674, 675, 676, 719, 744, 746, 865; syn- 

 thesis, 660, 665 ; twisting, 543, 647, 648, 

 673; variation, 373, 725, 726, 727, 731, 



732, 733, 735, 736. 739, 74', 74^ ! water 

 accumulation, 718; waste accumulation, 

 723- 



Stereid, 361, 696, 697, 700. 



Stereome, 639, 682, 698, 705. 



Stigeoclonium, 591. 



Stigma, 825, 826, 831. 833, 834, 835, 840, 



846, 851, 852, 853, 854, S57, 871. 

 Stinging hairs, 577. 

 Stipa, fruit, 929. 

 Stipe, 667, 812. 



Stipule, 502, 573, 579, 640, 64Z, 643, 783. 

 Stock, 776, 777, 778. 

 Stolon, 672, 837. 

 Stomata, 530, 53', 534, 535, 536, 555, 556, 



558, 559, 560, 561, 562, 563, 564, 566, 



567, 571, 574, 581, 620, 629, 661, 724; 



water, 620, 621. 

 Stone cell, 697, 698; fruit, 919. 

 Stonecrop, ditch, 670. 

 Storage, 487; tracheid, 536, 631. 

 Strand, conductive, 680, 682, 683, 684, 686, 



687, 688, 695. 

 Strangling fig, 514, $1$. 

 Strength, columnar, 704; compression, 



704; flexile, 702; tensile, 700, 703. 



Strigula, habit, 659. 



Strobilus, 733, 814, 825. 



Stroma, 521, 784. 



Structure, 488. 



Struggle for existence, 487. 



Strychnin, 626. 



Style, 825, 826, 829, 831, 849, 846, 853, 854, 



857- 

 Suberin, 706. 

 Submersed stems, 703. 

 Subsidiary cells, 553, 336, 558, 724. 

 Substitute hydathodes, 622. 

 Subterranean flowers, 864, 865 ; leaves, 642 ; 



stems, 667, 668, 669, 670, 671, 674, 675, 



676, 719, 744, 746, 865. 

 Succession, 940. 

 Succulence, 533, 627, 628, 629, 630, 631, 



632, 633, 634, 635, 747. ^ 

 Sugar, 528, 914; conduction, 694. 

 Sundew, glandular hairs, 616, 617. 

 Sun plants, chlorenchyma, 533; leaves, 



547- 

 Surplus food, 718. 

 Swamp plants, 506, so7. 508, 509, 941 (see 



also Bog plants). 

 Swarm spores, 810. 

 Sweet cicely, fruit, 924. 

 Sweet pea, leaves, 649. 

 Switch plants, 664, 666. 

 Sycamore, bud protection, 640. 

 Symbiont, 752. 

 Symbiosis, 752. 



Symbiotic saprophytism, 757, 798. 

 Symmetry, 489; dorsiventral, 489, 629, 



630; radial, 489, 629, 630. 

 Sympetalous flowers, 829, 846, 833, 857, 



859- 

 Synconium, 860, 861. 

 Syncyte, 679. 

 Synecology, 485. 

 Syngenesious anthers, 857. 

 Synthesis, carbohydrate, 525, 526, 527, 563, 



588, 65o, 66s ; protein, 528. 

 Syringa, flowers, 825. 

 Systrophe, 524. 



Tactile spot, 653. 



Tannin, 724. 



Tape grass, pollination, 837. 



Tap root, 496, 677. 



Taraxacum, flower, 857; flower movements, 



872; roots, 1577 ,' variation, 599. 

 Taxodium, 308. 

 Taxonomic variation, 486. 

 Teeth, leaf, 621. 

 Telentospore, 764, 813, 814. 

 Teleology, 947. 

 Temperature, 523, 527, 587. 

 Tendril, 640, 641, 652, 699. 



