889 



INDEX TO VOLUME I.* 



Of the numerous plant names cited in this volume, only those are included in the 

 index of which detailed accounts have been given. To have named all the plants used 

 as examples for certain cases of disease would have uselessly encumbered the index. 



Abcission of twigs • -357-60 



Abies 105 



Ablactation in grafting 831 



Acacia. Exudation of gum 707-8 



Acacia longifolia, with intumescence. . .437 



— Microbotrya, with intumescence. . .437 



— pendtda, with intumescence 443 



Acclimatization 40 



Acer 94 



Acer. Defoliation due to heat 411 



Acer caiiipcstre. Goitre gnarl 378 



— italiiJii 160 



— NcgiDido. Discoloration 280 



— obtusatuiii 160 



— paliiiatmn. Nanism 1^4 



— plantanoides. Discoloration 280 



— Pscudoplantanus, var. Schwedleri. 



Discoloration 280 



Acetylene 744-47, 769 



Acetylene poisoning -46 



Acid content. Changes due to lack of 



light 668 



Acids in soil 240-41 



— of plant roots. Effect of neutrali- 

 zation 402 



Acremonium 204 



Acremonium in sterile-head condition . .5^4 



Acrocylindrium 204 



Acrospermum 54 



Aeration of the soil 241 



Aesculus 154 



Aesculus macrostachya 105 



Agaricum 53 



Agaricus campestris 99 



Agathosma 134 



Ageratum 147 



Agrogyrum repots, P. B go 



Agrosiemma Githago 74 



Ailanthus 102 



Air, Dilute. Effect 314 



— IMoist. Effect on plants injured by 



drought 425 



— Too dry. Effect 408-22 



Akrolein, Injury due to 757 



Albication 308 



Albinism 36, 677-84, 698, 847 



Alder bogs. Discoloration of water 251 



Alders. Death 153 



Algae, Green, as nitrogen collectors. .. .273 



Alinit 270 



Alkali grass 195 



— soils 267 



Alkalinitv of the soil 367 



AHeiitospora radicicola, Wakker 227 



Allium Cepa 30 



Alnus glntiiwsa 98 



Fasciation 333 



Amanita initscaria 288 



Ammonia 730-32 



Ammonia, Free. Combination 272 



Ammonium salts. Use as top dressing. 268 



Use on meadows 363 



— sulfate 769 



Ampelopsis hedcracea. Emergences. .. .440 



Aniygdahis Pcrsica. Xanism 144 



Amylocarbol 760 



Anabaena 11 



Anaesthetica 765-66 



Anasfatica hicrochttutica 176 



Andropogon nutans 696 



— Sclioenanthns (Jav. Sereh) 693 



— Sorghum. Alafuta disease 415 



Animals, Wild, Injury due to 781-83 



Annual-rings. Production 774 



Radial division 589 



Annual-rings, False 615-17 



Anti-ferments 676 



Antibiosis 11 



Antinonnin 760 



Apcra spica vcnti 10 



Aphelandra. Intumescence 448 



.Aphids 392 



Apogamy 342 



Apostasis of the blossom 373 



Apostrophe 673 



Apple. Bitter pit 168-70 



— Canker 586-92 



— Tan disease 210-13 



— ■ Varieties for dry soils 175 



— Water-core . . . ." 286-87 



— Wen formation 882 



— Woolly streaks in the cores. .. .324-26 



Apples. Winter. Storage 32^ 



Apricots. Mombacker disease 479 



Aprocrenic acid 240 



Araban 705 



Arabii: 699, 705 



Arabinose 167 



Arachis hypogaea 690 



Araucaria 94 



Arrabbiaticcio 202 



Arsenic compounds. Injurious effects 



741, 752, 761 



Artindo arenaria, L , 90, 150 



— baltica 150 



Ascophora 54 



*It has seemed advisable to use the German index, adapting it where ever neces- 

 sary for the translation, rather than to change the form entirely. (Translator's note). 



