INDEX 



water, 217; conducting channels for ; 

 ringing experiments, 579 ; Halophytes, 

 421. 



Hamburger, 145. 



Hammarsten, 64, 65. 



Hampe, 405. 



Hansen, 219, 308, 314-7, 357, 376, 432, 

 493-5, 59, 555- 8 , 5 6 ; analysis of 

 cell-sap, 141 ; lactic bacteria, 559 ; 

 production of alcohol by fungi, 557. 



Hansteen, 320, 405, 409, 593-8; depletion 

 of endosperm, 515, 590; self-deple- 

 tion of, 597-9 ; regeneration of proteids 

 in darkness, 464. 



Hanstein, 579, 583-8 ; exosmosis of sugar 

 from endosperm, 95 ; incrustations, 

 chalky, 133; of iron, 134; latex, 

 582 ; metaplasm, 46 ; monoplasts and 

 symplasts, 60 ; plastids, 43 ; ringing 

 experiments, 578. 



Hartig, 201, 213, 216, 217, 220, 237, 250, 

 260, 261, 368, 369, 402, 584 ; alburnum, 

 225 ; exudation of water, 257 ; gas- 

 pressure theory, 226 ; hygroscopic ab- 

 sorption, 161 ; negative pressure in 

 transpiring trees, 211; percentage of 

 water in wood, 233. 



(R.), 579, 604. 



(Th.), 273, 468, 580-3, 604; deposition 



of starch in trees, 603 ; removal of, 

 from roots of ringed trees, 579. 



Hassak, 331 ; absorption of CO 2 from 

 NaHCO 3 , 132; calcareous incrusta- 

 tions, 133. 



Hasselhof, 413. 



Hattensaur, 437. 



Hauptfleisch, 51 ; on plasma streaming, 

 126, 589. 



Haustoria, 374. 



Heat, essential stimulating action of, for life, 



17. 



Heckel, 499. 



Hedera, 243 ; H. helix, activity of transpira- 

 tion of, 244. 



Hedin, 65. 



Hegler, on mitosis, 56 ; Shizophytes, 43. 



Heidenhain, 96. 



Heine, 67, 576. 



Heinrich, 229, 338, 585. 



Heinricher, 360, 366, 377, 368. 



Heintz, 530. 



Helianthus, 334, 461, 473, 595 ; importance 

 of cotyledons of, 593 ; H. annuus, 261, 

 324 ; disappearance of oil from isolated 

 cotyledons of, 599 ; growth of, in absence 

 of oxygen, 570; photosynthetic activity 

 of, 357 ; H. argophyllus, growth of, in 

 absence of nitrogen, 39 i ; H. tuberosus, 

 604 ; potassium nitrate in, 141. 



Heliophobic plants, 359. 



Helleborus, 190, 191, Fig. 20, 286. 



Hellriegel, 153, 247, 39^-8, 400-3, 418,420, 

 421, 451, 528, 600. 



Helmholtz, 350. 



Helmont, Van, 367. 



Helotism, 370. 



Hemerocallts fulva, 319. 



Hemicelluloses, 480 ; as reserve-material, 

 482. 



Hempel, 311. 



Henle and Pfeufer, 74. 



Henneberg, 559. 



Hepaticae, elaioplasts of, 470. 



Heraeus, 362, 363. 



Herbst, 24-26, 196 ; heterogenetic induc- 

 tion, 21. 



Heredity, 31 (sec. 5). 



Herfeldt, 550, 560, 561. 



Hermann, 96, 101 ; on gas vacuoles, 

 109. 



Hert, 129. 



Hertwig, 49, 57 ; on Altmann's theory, 41- 

 44 ; centrosomes, 47 ; composition of 

 proteids, 66, 67 ; influence of nucleus 

 on movement, 51-55. 



Hesperidin, 494. 



Hesse, 529, 537 ; on respiration of bacteria, 

 525. 



Heteromorphosis, 24. 



Heterotrophic nutrition, 363. 



Hexahydroxyhexamethyline, 477. 



Heyne, 328. 



Hilger, 602. 



Hilger-Gross, 602. 



Hiltner, 396, 398, 399, 401, 597. 



Hippuric acid, as source of nitrogen, 405. 



Hjort, 509. 



Hlubeck, 368. 



Hochreutiner, 260, 



Hofer, movements in non-nucleated Amoe- 

 bae, 51-53. 



Hoffmann, 271, 427, 43~ 6 , 497 ! on germi- 

 nation, 600. 



Hofmeister, 67, 71, 118, 233,258, 259, 260-6, 

 271, 454, 474> 478, 483 ; on bleeding of 

 herbaceous plants, 254 ; influence of 

 tissue tensions on, 264. 



Hohnel, Von, 193, 211, 227, 232, 239, 241-3, 

 250, 251 ; negative pressure in tracheae, 

 202, 203 ; transference of air through 

 intercellular spaces, 197. 



Hohnfeldt, 189. 



Holfert, 585. 



Holle, 320, 322. 



Holzner, 409. 



Homberger, 584. 



Honey-dew, 286. 



Hoppe-Seyler, 64, 312, 450, 484, 548, 551. 



Hordeum vulgare, root-system of, 157, Fig. 

 14 ; self-depletion of endosperm of, 598. 



Hormodendron, 509 ; H. hordei, 376. 



Homberger, 263, 407. 



Horsford, 355. 



Hortensia, influence of iron on colour of 

 flowers, 427. 



Horvath, 259-61. 



