INDEX 



Roestel, on germination, 600. 



Rollo, 450, 538. 



Root-hairs, 164, 165; importance of, 150; 

 characters of, 1 5 1 ; influence of external 

 conditions on development of, 156. 



Root-parasites, 368, 369. 



Root-pressure, definition of, 254. 



Root-system, importance of, 149, sec. 26; 

 influence of external conditions on, 

 153-7 > > n potted plants, 154 ; power of 

 adaption of, 157, 158; types of, 152. 



Root-tubercules, of Leguminosae, 396-402 ; 

 of other plants, 396, 397; conditions for 

 formation of, 400 ; influence of medium 

 and of saltpetre on, 401 ; number of, 



399- 

 Roots, absence of root-cap from, 1 52 ; 



etchings produced by, 1 6 1, 162; solvent 



action of, 171. 



Rosa, changes of colour in cell-sap of, 98. 

 Rosanoff, 315. 

 Rosen, 41, 67 ; corrosion of marble by 



Aethalium, 173. 



Rosenberg, 231, 242, 243, 512, 603. 

 Rothert, 604. 

 Rotondi et Ghizzoni, 262. 

 Roux, 290. 



Ruberythric acid, 494. 

 Ritbia tinctoria, 474, 494. 

 Rubidium, 411; occurrence of, in plants, 



430 ; power of replacing potassium in 



fungi, 429. 

 Rubner, 348, 549. 

 Rubus, 332 ; R.fruticosui) 324. 

 Rum ex, 197. 

 Ruse us, 237. 

 Russel, 400. 

 Russow, 196, 222, 604. 

 Russula, occurrence of laccase in, 510. 

 Rywosch, 600. 



Sabanin u. Laskovsky, 463. 



Sabrazes et Bazin, resistance of bacteria to 

 carbon dioxide, 565. 



Saccharomyces, 537, 538, 544, 548, 550, 551 ; 

 enzyme of, 502; evolution of H 2 S by, 

 549 ; influence of temperature on fer- 

 mentative activity of, 562 ; resistance 

 to alcohol, 513; to carbon dioxide, 

 564; continuance of fermentation in 

 presence of oxygen, 547; invertin of, 

 507 ; temporary anaerobiosis of, 530 ; 

 S. glutinis, 308 ; S. Kefir, lactase of, 

 507 ; S. mycodernia, 532 ; influence of 

 oxygen on fermentative activity of, 547 ; 

 S. Marxianus, 555 ; S. ocfosporus, 

 555- 



Sachs, 25, 37, 40, 107, 157, 182, 196, 197, 201, 

 217-9,227-9,232,233,241,256,261,271, 

 281,290,308-10,318,319,322-4,333-5, 

 340, 350, 352-3, 368, 404, 410,418, 419, 

 427, 435. 45<>> 45i, 46o, 490, 497, 526, 576, 

 580, 588, 592, 593, 601-4 ; absorption 



and retention of water by soils, 168,169; 

 by walls of wood tracheides, 71, 

 161 ; energids, 60; etchings produced 

 by roots, 171, 172; germination of seeds, 

 600 ; imbibition theory of, 226, 222 ; 

 influence of acids and alkalies on tran- 

 spiration, 249 ; mechanomorphosis, 24 ; 

 method of estimating heat-production, 

 246 ; minimal temperature for develop- 

 ment of chlorophyll, 335 ; presence of 

 air in wood, 225 ; progress of depletion 

 in seeds, 599 ; on translocation, 583 ; 

 transport of water in Laminaria, 210; 

 use of microchemical methods by, 578. 



Sachsse, 163, 169, 240, 251, 320, 330, 368, 

 390-3, 395, 427, 484, 528, 529, 600. 



Sagot, 593. 



St. Pierre et Magnien, 206. 



Salicin, 457, 491, 494. 



Saline plants, growth of, in absence of 

 sodium chloride, 430. 



Salix, 191, 278, 497; ringing experiments 

 on, 578, 579- 



Salkovvski, 173. 



Salm-Horstmar, 368, 416, 418, 427, 431, 

 438. 



Salsola, 439 ; S. kali, 430. 



Sambucus, 284 ; S. racemosa, 602. 



Saponaria officinalis, 474. 



Saposchnikoff, 314, 319, 321-6; percentage 

 of carbohydrates formed to CO 4 assimi- 

 lated, 320. 



Sap-pressure, 254. 



Sarauw, 371. 



Sarcina lutea, 532. 



Sarrabat, 264. 



Sarracenia, 160, 275, 379. 



Saussure, de, 101, 128, 206, 306, 309, 322, 

 327-9, 332, 368, 401, 413, 4i8, 45', 

 520, 521-6, 538, 571, 601 ; law of, 129; 

 respiration in Cactaceae, 529 ; respira- 

 tory ratio, 529. 



Sauvageau, 59, 260. 



Savart, 83. 



Saxifragaceae, 133. 



Scenedtsmus, 366 ; S. acutus t 375. 



Schaar, 602. 



Schacht, 588. 



Schafer, 191, 193. 



Scheele, 525. 



Scheit, 202, 221, 226 ; on bleeding in vacuo, 

 266. 



Schell, 497. 



Schellenberg, 484. 



Schenck, 180, 181, 216, 378. 



Scherffel, 377 ; calcareous deposits on 

 Lathraea, 133. 



Schilling, 117, 478. 



Schimper, 227, 283-5,313-5, 319,320, 322-6, 

 333-6, 405, 409, 410, 420-3, 428, 429, 

 581-6,600-1; accumulation of salts and 

 sugar in living cells, 98 ; on calcium 

 oxalate, 486; concentration necessaryfor 



