INDEX OF PARASITES, SPRAYS, ETC 



ACANTHORHYNCHUS VACCINII, 239. 



Acanthostigma, 221. 



parasiticum, 221. 



Acid fumes, 38. 

 Acremoniella, 460. 



occulta, 460. 



Acrosporium cerasi, 469. 

 Actinonema, 428. 



rosae, 428. 



Aecidium, 336. 



cinerariae, 334. 



cyparissiae, 296. 



esculentum, 337. 



magelhaenicum, 337. 



ornamentale, 337. 



phillyreae, 337. 



pseudo-columnare, 337. 



rubellum, 299. 



strobilinum, 336. 



thomsoni, 324. 



Agaricaceae, 353. 

 Agaric, infesting cereals, 361. 

 Aglaospora taleola, 210. 

 Allescheria laricis, 462. 

 Alternaria, 414, 500. 



violae, 501. 



'American blight' favours fungus 



disease, 15. 



American gooseberry mildew, 146. 

 Anbury, 524. 

 Aphelenchus fragariae, 560. 



olesistus, 558. 



ormerodis, 560. 



Arachnida, 537. 

 Armillaria, 354. 



mellea, 354. 



mucida, 354, 363. 



Ascobolus, 19. 

 Ascochyta, 430. 



aquilegiae, 433. 



armoraciae, 433. 



aspidistrae, 431. 



brassicae, 432. 



citrullina, 217. 



Ascochyta, cookei, 432. 

 dianthi, 432. 



juglandis, 432. 



orobi, 477. 



violae, 431. 



Ascomycetes, 135. 



characters of, 82. 



Ascospora beyerinckii, 455. 

 Asteroma padi, 203. 



rosae, 428. 



Asterula, 166. 



beyerinckii, 166, 455. 



Atmospheric conditions favouring 



disease, 8. 



Aureobasidium vitis, 401. 

 Australian shot-hole fungus, 410. 

 Azotobacter agilis, 49. 



beijerincki, 49. 



chroococcum, 49. 



vinelandii, 49. 



BACILLUS AMYLOVORUS, 392, 518. 



aroideae, 517. 



mesentericus, 49. 

 nicotianae, 518. 



oleae, 516. 

 omnivorus, 519. 



phytophthorus, 514. 



savastanoi, 516. 

 solanacearum, 513. 



spongiosus, 517. 

 tabificans, 516. 



Bacteria, 508. 



as fixers of free nitrogen, 49. 

 denitrifying, 50. 



nitrifying, 50. 



Bacterial knots, 522. 

 Bacteriology of the soil, 48. 

 Bacterium mori, 519. 

 Bank vole, 535. 

 Bartsia alpina, 76, 122. 



methods of attacking 



host, 717. 

 odontites, 76, 122. 



