HOST INDEX OF FUNGOUS DISEASES 491 



Hop Hornbeam (Ostrya virginiana (Mill.) Koch) Page 



Root Rot, Armillaria mellea Vahl 473 



Horse-chestnut (Msculus Hippocastanum L.) 



Leaf Blotch, Phyttosticta Pavim Desm 345 



Horse radish (Cochlearia Armoracia L.j 



Brown Spot, Alternaria Brassica (Berk.) Sacc 308 



Root Rot, Thielavia basicola (B. & Br.) Zopf 210 



White " Rust," Cystopus candidus (Pers.) Lev 149 



Huckleberry (Gaylussacia, Vaccinium, etc.) 



Gall, Exobasidium Vaccinii (Fckl.) Wor 440 



Hyacinth (Hyacinthus orientalis L.) 



Bacteriosis, Bayllus Hyacinthi-septicus Heinz 134 



Yellow Disease, Pseudomonas Hyacinthi (Wakker) Erw. Smith ... 120 



Juniper (Juniperus communis L.) 



Rust, Cymnosporangium clavariafonne (Jacq.) Rees 426 



Knotweed (Polygonum spp.) 



Rust, Puccinia Polygon! Pers 393 



Larch (Larix decidua Mill) 



Canker, Dasyscypha Willkommii Hartig 202 



Decay, or Brown Rot, Polyporus sulphureus (Bull.) Fr 457 



Dry Rot, Trametes Pint (Brot.) Fr 467 



Root Rot, Polyporus Schweinitzii Fr 463 



Lemon (Citrus Medico var. Limon L.) 



Brown Rot, Pythiacystis Citrophthora R. E. Smith 144 



Sooty Mold. See Orange. 



Lettuce (Lactuca sativa L.) 



Damping-off, or Rhizoctonia, Corticium vagum B. & C, var. Solani Burt 444 



Downy Mildew, Bremia Lactuccs Reg If >4 



n f Sclerotinia Libertiana Fckl x 9 8 



r ° P \sderotinia Fuckeliana De Bary '9^ 



Leaf Spot, Septoria consimilis E. & M 3°3 



Rot. See Drop and Damping-off. 



Lilac (Syringa vulgaris L.) 



Powdery Mildew, Microsphtera Alni (Wallr.) Wint 228 



Lily (Lilium spp.) 



Botrytis, or Ward's Disease, Sclerotinia Fuckeliana De Bary 196 



Locust, Common (Robinia Pseudo-Acacia L.) 



Decay, or Brown Rot, Polyporus sulphureus (Bull.) Fr. . , 457 



Magnolia (Magnolia grandiflora) 



Leaf Spot, Phylloslicta Magnolia Sacc 347 



Mallow (Malvaceat) 



Rust, Puccinia malvacearum Mont. 4-19 



