INDEX OF HOSTS 



Abies, 374. 



balsamea, 33, 281, 284, 332. 



cephalonica, 332. 



cilicia, 332. 



concolor, 332. 



douglasii, 458. 



excelsa, 222, 336, 458. 



fraseri, 332. 



magnifica, 332. 



nobilis, 332. 



nordmannia, 332, 458. 



pectinata, 244, 234, 281, 



332, 337- 



pictita, 332. 



pinsapo, 332, 458. 



vietchii, 332. 



Abutilon, 310. 



arboreum, 37. 



striatum, 37. 



thomsoni, 37. 



Acacia, 42, 244, 413. 



eburnea, 337. 



horrida, 337. 



Acer, 127. 



campestre, 43, 457. 



dasycarpum, 363. 



Achillea ptarmica, 286. 

 Aconitum, 122. 

 Acrostaphylos, 401. 

 Adiantum capillus-veneris, 558. 

 Aegopodium, 122. 



podagraria, 88. 



Agave, 415. 

 Agrostis canina, 225. 

 pumila, 347. 



- vulgaris, 347. 

 Ailanthus, 28. 



glandulosus, 363. 



Aira caespitosa, 247. 



Alder, 72, 143, 144, 373, 382. 



leaf spot, 173. 



root swellings of, 522. 



- twig blight, 173. 

 Alfalfa leaf spot, 279. 



285, 



Alkanet, 306. 

 Allium, 107. 



cepa, 349. 



magicum, 349. 



rotundum, 349. 



ursinum, 324. 



Almond, 308, 455, 474, 483. 



anthracnose, 438. 



AInus glutinosus, 359. 



incana, 522. 



Alopecurus, 427. 

 Alphitonia, 451. 

 Amelanchier vulgaris, 540. 

 Anagallis arvensis, var. Caerulea, 112 

 Anchusa arvensis, 306. 



officinalis, 306. 



Ancimia collina, 558. 

 Andromeda, 401. 



mariana, 433. 



polifolia, 257, 403. 



Anemone, 122. 



nemorosa, 265. 



sclerotinia, 265. 



Angelica, 122. 



Antholyza, 499. 



Anthriscus, 122. 



Apple, 378, 392, 410, 452, 540. 



bark fungus, 565. 



bitter-pit, 64, 571. 



blotch, 411. 



leaf spot, 413. 



rot, 176. 



scab, 204. 



tree, 258, 388. 



blight canker, 518. 



canker, 183. 



hydnum, 388. 



Apricot, 308, 410, 455, 483. 

 Arachis hypogaea, 567. 

 Areca catechu, 129, 376. 

 Arenaria, 132. 



serpyllifolia, 327. . 



Aroids, 115. 



Arrenatherum avenaceum, 247. 



2 P 



