INDEX. 



827 



Proteids,79,i 7 2, 1 75,206,284, 

 289, 290, 307, 318, 323, 

 329, 332, 334. 341, 348. 

 349, 355, 361, 363, 369, 

 381, 384, 387, 400, 401, 

 403, 422, 566, 763. 



— circulating, 325. 



— decomposition of, 402. 



— fermentation of, 342, 345. 



— in sap, 274, 333. 



— metamorplioses of, 326. 



— origin of, 324, 346. 



— and respiration, 402. 



— in sieve-tubes, 325. 

 Prothallia, 742, 743, 744, 



747-750, 752, 755, 800. 

 Prothallus, budding from, 

 801. 



— of fern, 45S, 461,466,491, 

 525, 619, 772-774, 788, 

 789. 



— reduced, 756, 760, 800. 

 Protococctis I'irulis, 392. 

 Protogynous flowers, 792. 

 Protonema, 30, 67, 479, 527, 



735, 739- 



— 29, 68, 479. 



Protoplasm, 73, 78, 289, 290, 

 309, 316, 319, 323, 332, 

 355, 402, 413, 419, 422, 

 613, 614, 615, 638, 639, 

 645, 652, 654, 767. 



— action of water on, 617. 



— composition of, 79, 206. 



— destruction of, 328. 

 ■ — dormant, 402. 



— during division, loi. 



— and fermentation, 349. 



— irritability of, 587, 599, 

 603, 655. 



to external agents, 



616, 617, 620, 621. 



— movements of, 81, 194, 

 395, 603, 606-608, 615- 



617, 621. 



— regeneration from, 721. 



■ — as a regulator of ditTusion, 



212. 



of osmosis, 275. 



— respiration in, 401. 



— structure of, 84. 

 Protoplasmic utricle, 80, 



213, 251, 275, 563, 566, 

 568, 653, 654. 

 Prunus, 184. 



— avium, 281. 



— cerasifera, 439. 



— lauro-cerasus, 184, 281. 

 ■ — padus, 507, 508. 

 Prussic acid, 342. 

 Pseudo-chlorophyll corpus- 

 cles, 317. 



endogenous buds, 475; 



479. 



Pseudo-fruits, 464. 



Ps Hot urn, 55, 62, 70, 510. 



Psoralen hirta, 185. 



— - 185. 



Pteris aqiiilina, 60, 129, 462, 



471,699. 

 60, 87, 89, 129, 134, 



138, 144, 146. 



— aurata, 186. 



— cretica, 801. 

 —flabcUata, 119. 



— hastata, 456. 



— serrulata, 772-774. 

 771. 



Pulque, 270. 



Purple leaves, 321. 



Purpose, 10. 



-- of respiration, 403. 



Putrefaction, 348, 382, 385, 



386. 

 Putrefactive fungi, 382, 386. 

 Pyrola, 302. 



Quamoclit luteola, 672. 

 Quantitative experiments on 

 respiration, 399. 



— selection by roots, 287. 

 Quantity of carbon dioxide 



respired, 399. 



— of embryonic tissue, 419. 



— of starch assimilated, 313, 

 314. 



— of water in plants, 564, 

 567, 573- 



Quince, 90. 



R. 



Radial cell- walls, 442, 452, 



457. 



— and dorsiventral shoots 

 contrasted, 494, 705. 



— growth, 438. 



— organs, 486, 487, 489, 

 490, 493, 494, 496, 500, 

 502, 546, 698, 704. 



rolled up, 706-709. 



— section of wood, 159. 

 Radiation of heat, 404, 643. 

 Radical leaves, 421. 

 Radicle, 12, 332, 414, 689, 



753, 764. 

 Radii, 482. 

 Radish, 24, 169. 

 Raßt'sta, 28, 63, 370. 

 Rafllesiaceae, 368, 370, 476, 



765. 

 Rain-water, nitric acid in, 



263. 

 Ranunculacca-, 177, 7 So. 

 Ranunculus, 660. 



— acer, 483. 



Ranunculus Ficaria, 24. 

 Rape, 546. 

 Raphides, 177. 

 Raphidophora, 25. 

 Rapidity of growth in length, 

 569,571. 



— of protoplasmic move- 

 ments, 606, 607. 



— of starch-formation, 311. 

 Rarefaction of air in wood, 



267, 269. 

 Rattan, 657. 

 Ravenala, 50. 

 Reactions of aleurone grains, 



334- 



— of asparagin, 346. 



— of chlorophyll, 321. 



— to environment, 204. 



— of starch, 337, 340. 

 Receptacles for secretions, 



171, 175, 329- 



Receptive spot, 774-776, 



Reciprocal hybrids, 781. 



Rectangular intersection of 

 cell- walls, law of, 433, 

 434, 442, 456, 502, 743- 



Red autumn-leaves, 319. 



— bacteria, 387. 



— Beech, 159, 493, 506. 



— Bindweed, 533, 672. 



— Clover, 576. 



• — colouring matters, 320, 

 328. 



— fruits, 320. 



— light, 303, 638, 696, 697. 



— Pine, 505. 



— wood, 163. 



Reduced antheridia, 749, 

 756. 



— forms, 6, 23. 



— prothallia, 756, 760, 800. 



— roots, 23. 



— shoots, 54. 

 Reeds, 722. 

 Regeneration, 508, 721,723. 



— from cut organs, 520, 521, 

 582,721. 



Regulation of transpiration, 



247. 

 Relation of nucleus to cell- 



division, 107. 



— of roots to leaf-surface, 



156. 



to soil, 256. 



Relations between plants 

 and animals, 202, 413. 



growth and arrange- 

 ment of cells, 436. 



and cell - division, 



431, 435, 447, 449, 453- 



■ and configuration, 



450. 



Relations of position, 481, 

 528,681. 



