INDEX. 



707 



Strasburger 



on adventitious budding in embryo- 

 sac, 599 



on branching of Cladophora, 349 

 on ciliary movement, 298 

 on direction of movement of zoo- 

 spores, 526 



of plasmodia, 527 

 on division of nucleus, 27 

 on the extrusion of the paranucle- 

 olus, 639 



on the extrusion of the polar body, 

 640, 659 



on formation of cellulose, 145, 217 

 on formation of cell- wall, 15, 16, 

 181 



on formation of proteids, 151 

 on formation of starch, 217 

 on germination of pollen-grains, 



615, 640 



on growth by apposition, 336 



on growth without turgidity, 335 



on imbibition, 34 



on micellar theory, 33 



on microsomata, 26 



on movement of zoospores, 523, 524 



on optical properties of organised 

 bodies, 35 



on osmosis, 43 



on physiological equivalence of 

 gametes, 659 



on sexual process in Phanerogams, 



616, 643, 671 (Figs. 70, 71, 75, 76) 

 on sieve -tubes, 169 



on starch-grains, optical properties 

 of, 183 



on stratification, 17 

 on structure of starch-grains, 179 

 on structure of protoplasm, 24 

 on theory of reproduction, 658 

 on thickening of the cell- wall, 291 

 on vegetative cell in microspore of 

 Vascular Cryptogams, 640 

 Strehl, on retarding influence of light 



on growth, 393 

 Striae on stems, 353 

 Stmve, on silica in cell- wall, 21 

 Stutzer, on organic acids as carbonaceous 



food, 125 

 Stylidium adnatum, movement of gyno- 



stemium of, 536 

 Suberin, 18 

 Substratum, influence of, on direction of 



growth, 474 

 Succinic acid, 228 



Sugar and allies, 28; as reserve material, 

 171; formation from starch, 164, 191 

 O'Sullivan, on action of diastatic fer- 

 ment, 191 

 Sulphur in food, 131 



Suspensor, function of, 178 



Swelling up of organised bodies, 31, 37 



Synergidae (Fig. 70), 615 



Tangl, on continuity of protoplasm, 23 



Tannic acid, 235 



Tannin, 232, 234 



Taraxacum officinale, heliotropism of, 



429 

 Tautphseus, on effect of low temperature 



on seeds, 274 

 Taxineae, calcium oxalate in bast fibres, 



22 



Telegraph plant (see Desmodium gyrans] 



Teleutospores, 603 



Temperature, influence of, on absorbent 

 activity of roots, 52, 276; on absorp- 

 tion of oxygen, 276; on evolution of 

 carbon dioxide, 199, 271; on evolution 

 of oxygen, 276; on ferment-action, 

 192; on formation of chlorophyll, 

 '271; on germination of seeds, 269; 

 of spores of Fungi, 270; on growth, 

 2 93> 376, 402, 577; on luminosity of 

 plants, 318; on metabolic activity, 

 269, 275; on movements of motile 

 organs, 297, 522, 544; on opening of 

 flowers, 378; on respiration, 198, 

 270; on tissue-tensions, 406; on tran- 

 spiration, 108; on unorganised fer- 

 ments, 270; on variations in bulk, 408 

 variations of, as stimuli, on growth, 

 378; on movement, 544 



high, effect of, 278; low, effect of, 

 272 



Temperatures; of germinating seeds (Fig. 

 37)> 3 C 45 of opening flowers (Fig. 38), 

 306; of plants, 313; of trees, 315 



Tendril of Vitis (Fig. 53), 485 



Tendrils, coiling of, 487; growth on 

 contact, 485 



Tensions, in organs, 343; cause of 

 annual rings, 351; cause of striae on 

 stems, 353; daily period of, 405; in- 

 fluence of, on growth of cells, 348 



Tentacles of Drosera, aggregation in, 

 564 ; stimulation of, 547 



Terebenthene, 237 



Tetrachytrium, conjugation in, 618 



Tetraphis pellucida, gemmae of, 599 



Tetraspores, 603 



Theca, 629 



Thermotonus, 377 



Thermotropism, 434; of plasmodia, 528 



van Tieghem 



on crystals on Mucorini, 171 

 on the embryo artificially nourished, 

 179 



on proteid crystalloids, 35 

 on thermotropism, 434 



