MORPHOLOGY, ANATOMY, AND PHYSIOLOGY. 



819 



Spongy- parenchyma, 162 (Fig. 125), 



686. 



Spontaneous movement, 670, 692. 

 Sporangium, 70, 189, 230, 278, 374, 



433. 



Spore, 2, 122 (Fig. 80), 126, 229, 375, 

 434, 438, 671. 



asexually produced*; 69. 



development of, 125 (Fig. 84). 



-reproduction, 68, 768. 



-sac, 361. 



sexually produced, 69. 

 Sporidium, 300, 305 (Figs. 215, 217, 



218). 



Sporocarp, 407 (Fig. 269). 

 Sporogonium, 324, 332, 360, 369 (Figs. 



251, 253). 



Sporophore, 70, 75, 278. 

 Sporophyll, 59, 70, 77, 432. 

 Sporophyllary leaves, 691. 

 Sporophyte, 2, 69, 217, 298. 

 Sport, 779. 

 Spur, 511. 

 Spurious fruit, 528. 



tissue, 92. 



whorl, 24. 



Squamulse intravaginales, 536. 

 Stamen, 78, 432. 

 Staminate flower, 78, 432, 515. 

 Staminodium or staminode, 518, 

 Starch, 109, 708, 717, 724, 727. 



-grains, 98 (Fig. 51), 109 (Fig. 67). 



-sheath, 705. 



-stars, 68, 255. 

 Stearin, 708. 

 Stele, 146, 151, 

 Stem, 5, 6. 



function of, 683. 



herbaceous, 44. 



monostelic, 146, 173. 



polystelic, 146, 173. 



-tendril, 43 (Fig. 24), 619. 



trunk, 44. 



twining, 43 (Fig. 24), 647. 



winged, 44. 

 Stereom, 133, 144, 161 (Fig. 121), 170, 



676. 



Sterigma, 75, 276, 289, 296 (Fig. 205), 

 301 (Fig. 211), 305 (Figs. 215, 

 217), 312 (Figs. 219, 220, 223). 

 Stichidium, 75, 268 (Fig. 193). 

 Stigma, 433, 523 (Fig. 337). 

 Stimulus, 670. 

 Stipe, 310. 

 Stipel, 48. 



Stipule, 47 (Fig. 28). 

 Stock, 767. 

 Stolon, 42. 



Stomata, 155 (Fig. 118), 156 (Fig. 119), 

 157 (Fig. 120). 



function of, 698, 764. 



Stomium, 395. 



Stratification of cell- wall, 105 (Fig. 



60). 



Streaming of protoplasm, 735. 

 Striation of cell- wall, 106 (Fig. 64). 

 Stroma, 295, 301 (Fig. 212). 

 Strophiole, 460. 

 Strychnin, 707. 

 Style, 433, 523 (Fig. 337). 

 Stylogonidium, 278. 

 Sub-hymenial layer, 311 (Fig. 219). 

 Subtending leaf, 31. 

 Successive whorls, 24. 

 Succulent fruits, 529, 532. 

 Succulent plants, catabolism of, 725. 

 Succubous leaves, 346 (Fig. 244). 

 Sucroses, 708. 

 Sugars, 708. 



Sulphobacteria, 719, 731. 

 Sulphur, 710, 713. 

 Superior ovary, 495. 

 Superposed members, 25, 497. 

 Supply of energy, 717, 730. 

 Suppression, 505. 

 Suspensor, 14, 372, 424 (Figs. 275, 



278, 279), 441 (Figs. 286, 287). 

 Syconus, 528, 578 (Fig. 379). 

 Symbiosis, 273, 319, 347, 412, 710, 713. 

 Symmetry of body, 8 (Figs. 1-4). 



of flower, 507 (Figs. 322-328). 

 Sympodium, 33, 36. 

 Synandrium, 518, 539. 

 Synangium, 72, 375, 383. 

 Synaptase, 724. 



Syncarpous, 521 (Fig. 335), 529. 

 Syncyte, 91, 118, 129, 141. 

 Synergidse, 451 (Fig. 292). 

 Syngenesious anthers, 518. 

 Systems of classification, 216. 

 Systole, 736. 



Tangential longitudinal section, 7. 



Tannin, 708, 729. 



Tapetum, 73, 385, 393, 410, 433, 438, 



519. 



Tap-root, 62, 464. 

 Tartaric acid, 708. 

 Tegumentary tissue, 144. 



function of, 675. 



primary, 153. 



secondary, 208. 



-system, 144. 

 Teleutogonidium, 278, 305 (FigP. 214- 



217), 314. 

 Teleutospore, 278. 

 Temperature, 671. 



Tendril, 43 (Fig. 24), 58, 619, 685, 743. 

 Tentacle, 66 (Figs. 42, 43), 711. 

 Terebene, 709. 

 Terminal bud, 20. 

 Ternate, 53 (Fig. 32). 



