8i6 



INDEX. 



Gold Fern, 186. 



Gonidia of lichens, 391. 



Gonium, 607. 



Qoisypium, lil. 



Gourd, 13, 51, 74, I57, i93, 

 217, 229, 232, 262, 263, 

 264, 276, 277, 289, 290, 



293, 309, 313, 347, 353, 

 360, 405, 435, 483, 525, 



531, 533, 538, 549, 584, 



658,665, 705, 713, 763, 



798. 

 ^ 12, 76, 148, 348, 354, 



532. 

 Gramineae, 176, 780. 

 Grand period of growth, 

 . 541, 551, 552, 555, 556. 

 Granulose, 339. 

 Grape-sugar, 335, 347, 349. 



. vine, 658. 



Grapes, 329. 

 Graphic method, 194. 

 195, 305. 



— representation of the 

 ■ effects of light, heat, &c., 



195, 305. 



of root-pressure, 274. 



Grasses, 51, 128, 134, 144, 

 178, 219, 276, 278, 279, 

 288, 343, 373, 418, 419, 

 424, 461, 470, 495, 501, 



V 534, 572, 664, 687, 706, 

 723. 



Gravitation, the cause of 

 geotropism,68i-683, 698, 

 699, 702, 705, 707. 



— influence of, 190, 196, 

 200, 485, 486, 489, 493, 



494, 503, 515, 516, 519, 



521-524, 526-528, 678, 



714. 

 ■ on development of 



growing-points, 517-519. 

 on post - embryonic 



growth, 528, 536, 537. 



on protoplasm, 616, 



, 617, 620, 621. 



Green light, 303, 638, 696, 



697. 



— organs,, respiration of, 

 397, 406. 



— plants, nutrition of, 29a. 

 Greening of leaves, 285, 301, 



309. 



301. 



Grouping of cells, 436, 437, 



■ 447,577- 

 Groups of apical cells, 458, 



462. 

 Growing plants, work done 

 I by, 583, 584. 



— region, 420. 



length of, 543-545- 



point, 40, 112, 358, 413, 



414, 416, 417, 418, 419, 

 420, 422, 424, 426, 435, 

 443, 447, 448, 451, 452, 

 453, 454, 460, 461, 464, 

 469, 473, 477, 479, 480, 

 481, 483, 496, 500, 502, 



539, 563, 570, 582, 583, 



744- 

 Growing - point, anticlines 



and periclines in, 449. 

 conversion into ovule, 



465., 

 development of new 



organs from, 460, 467. 

 influence of environ- 

 ment on, 516-519. 



intercalary, 429. 



metamorphosesof,464. 



protection of, 462. 



the region of slowest 



growth, 449, 457, 544. 

 : relations between- 



growth and cell-division 



in, .447. 



of Fungi, 427. 



of Phanerogams and 



Cryptogams compared, 



458. 



of roots, 476. 



of shoots, 425. 



Growing - points, abnormal, 



468. 



adventitious, 477, 480. 



depressed, 461, 463, 



474- 



forms of, 461. 



— • — typical, 460. 



with and without an 



apical-cell compared, 4 5 8 . 

 Growth, 353, 356, 364, 412, 



417, 449, 453, 483, 493, 



503. 515, 550- 

 - — abnormal types of, 425. 

 ' — apparatus for measuring, 



561. 



— axis of, 481, 483, 484, 



539, 545- 



— by apposition and intus- 

 susception, 413. 



— basal, 419, 544. 



• — causal relations of, 502. 



— causes of, 563, 565, 689. 



— and cell-division in solid 

 bodies, 440, 445. 



— change of form during, 

 443- 



■ — correlations of, 502-505, 

 507, 508, 512, 704, 765. 



— curve of, 551, 552, 554, 

 555, 558, 562. 



— daily periodicity of 558- 

 560, 640, 641. 



— in darkness, 353, 531, 

 532, 713. 



Growth by day and night, 

 549, 552, 553, 555, SSs! 



559, 560. 



— definite and indefinite, 

 465, 466, 483. 



— definition of, 412. 



— dependence on external 

 conditions, 194, 55a, 55^ 

 555. 



— dependence on turges- 

 cence,2i5,56s, 567-569, 

 572,573,576,581,641. 



— diagrams illustrating cell- 

 division and, 440, 441, 

 442,443,448,450,451, 

 452, 457, 459, 468. 



— directions of, 698. 



— in distilled water, 284. • 



— discontinuous variations- 

 ip, 551, 552. 



— displacements during,445. 



— distribution of, 411, 415, 



437-440, 544, 569, 683- 

 685. 



— embryonic, 419. 



— excentric, 445. 



— geometry of, 438. 



— grand period of, 541, 551, 



552, 555, 556. 



— independent of assimi- 

 lation, 300. 



of nutrition, 411, 412. 



— influence of light on, 554, 

 555- 



■- of temperature on, 



553, 555- 



— intercalary, 417, 418, 544.- 

 ■ — internal and external 



causes of, 503. 



— measureiiientof,540-545, 

 551, 561, 562. 



— mechanics of, 432, 437, 

 563, 570, 572. 



— in nutritive solutions, 286. 



— on different sides of 

 organs, 546. 



— oxygen necessary for, 397, 



399- 



— periodic variations in, 



539, 541, 549, 556, 559, 



560, 599, 640, 641. 



— phases of, 411, 414, 416, 

 417, 418, 420, 423, 424, 



425, 437- 



— post-embryonic, 503,516, 



528, 536, 537- 



— relations to cell-division, 



431, 435,437, 449,453- 



— — to configuration of 

 organs, 450. 



to geotropism, 679, 



685, 688, 691. 



— retardation by light, 535, 

 559, 561. 



