TABLE OF CONTENTS 



INTRODUCTION. 



PAGE 



Development of the Study of Vegetable Pathology .... i 



The Causes of Disease Sickliness, Natural and Accidental 

 Death, Debility of Old Age, Normal and- Abnormal Predis- 

 position to Disease, Heredity and Disease, the Investigation 

 of Disease 16 



SECTION I. INJURIES INDUCED BY PLANTS. 



Phanerogams Lonicera, Triticum, Melampyrum, Rhinanthus, 

 Pedicularis, Euphrasia, Lathraea, Orobanche, Monotropa, 

 Viscum, Loranthus, Arceuthobium, Cuscuta 22 



Cryptogams Pseudo-parasites Thelephora, Lichens ; Schizomy- 

 cetes Bacterium, Bacillus ; Myxomycetes Plasmodiophora, 

 Schinzia 35 



Fungi Their Structure and Biology, Mycelium, Hypha, Germ- 

 tube, Sclerotia, Sporophore, Spore-production, Sexual and 

 A-sexual Generations, Vital Conditions, Nutritive Adaptation, 

 Parasites, Saprophytes, Mode of Infection and Distribution, 

 Epiphytes, Endophytes, Action on the Tissues of the Host- 

 plant, Prophylactic and Therapeutic Measures, Classification . 40 



Peronosporeae Phytophthora, Peronospora, Pythium, Cystopus . 57 

 Ustilagineae Tilletia, Ustilago, Urocystis 66 



Ascomycetes Erysiphea^-Erysiphe, Oidium; Tuberaceae Ela- 

 phomyces, Tuber, My^prhiza ; Pyrenomycetes Trichosphaeria, 

 Herpotrichia, Rosellmia, Dematophora, Cucurbitaria, Sphae- 

 rella, Stigmatea, Gnomonia, Nectria, Polystigma, Claviceps, 

 Aglaospora, Plowrightia, Physalospora, Coniothyrium, Gloe- 

 sporium, Didymosphaeria ; Discomycetes Rhytisma, Hys- 

 terium, Peziza, Rhizina, Sclerotinia, Botrytis ; Gymnoasceas 

 Exoascus 69 



Imperfectly known Ascomycetes Cercospora, Pestalozzia, 

 Phoma, Gloesporium, Septogloeum, Septoria, A new Parasite 

 of Seedlings, Valsa 135 



Basidiomycetes Uredineae Puccinia, Phragmidium, Gymno- 

 sporangium, Melampsora, Coleosporium, Cronartium, Peri- 

 dermium, Chrysomyxa, Isolated yEcidium-forms ] 53 



Hymenomycetes Exobasidium, Trametes, Polyporus, Hydnum, 

 Thelephora, Stereum, Agaricus, Fungi destructive to structural 

 timber, Dry-rot, Merulius 184 



