364 



INDEX. 



PAOB. 

 Mulberry blight, 



bacterial ooze from lenticels 64 



final outcome 67 



tylpses 91 



Multiplication of bacteria in plants, obstacles to. ... 28 



Muskmelon wilt 209 



(See cucurbit wilt.) 



Mustard, black-rot 300 



(See black-rot of cruciferous plants.) 



Muth, saprophytes, seeds inoculated with 50 



Mycobacterium diphtheriae, plants inoculated with . 178 



Mycoderma cerevisiae 1 64 



Myrica, root-nodules 103 



Myxobacteriaceae 168 



Myxococcus incrustans, description 168 



Myxomycetes, 



chromogenic bacteria in cultures of 172 



parasitic on bacteria 171 



relations of bacteria to development of 171 



symbiosis with bacteria 169 



Nadson, 

 symbiosis of Dictyostelium and Bacillus fluores- 



cens liquef aciens 1 70 



bacterial diseases of plants, views on 17 



Naudin, root-nodules, soy-bean 1 15 



Nectarial infection 39, 54 



Nectaries, extra floral, possible channels of infection . 64 



Nematodes, destruction of 190 



Nematodes, tobacco and tomato wilt, relation to. . . 190 

 Nepenthes, 



absorption experiments, Clautriau 152 



digestion experiments, Clautriau 151 



digestion experiments, Tischutkin . 148 



digestion experiments. Vines 148 



proteolytic enzym of 148, 149, 152 



Nepenthes mastersiana, bacteria in excretion of. ... 148 



Nepenthin 153 



Neppi, bacterial diseases of plants, views on 18 



Newcombe, taka diastase 88 



Nicofume 202 



Nitragin 109, 111,112 



comparison with organisms directly from root- 

 nodules, Leguminosae 113 



Nitrogen, 



assimilation, Gramineae I oo 



assimilation by root-nodule organism 101 



Nobbe, 



root-nodule organism, Leguminosae 108, 118 



nutrient media 130 



root-nodules, Leguminosae, 



cross-inoculations 115 



soil inoculations 121 



Novy, proteolytic enzyms 83 



Nuclei, double, rose gall 93 



Nucleus, enlargement due to parasitic attack 92 



Nyman, disinfectants, testing of 195 



Olive tubercle, 



(See also Bacterium savastanoi.) 



atrophy 92 



bacterial cavities 70 



duration of disease 67 



enlargement of nucleus 92 



excision 192 



final outcome 68 



hypertrophy 91 



incubation period 66 



infection 63 



metastasis 71 



occlusion of vessels 6 



Savastano's work 8 



spread by pruning 190 



O'Gara, pear-blight, eradication of 192 



Omelianski, solvent action of methane bacteria 76 



Oscillaria, symbiosis with Azotobacter 154 



Osmogenes 185 



PAOB. 

 Ostrowsky, supposed vine parasite pathogenic to 



rabbits 181 



Pammel, black-rot of turnips 304,317, 328, 331 



Papain 153 



Parasites, 



animal, harbored by plants 184 



animal, inoculated into plants 174 



common to plants and animals 1 74 



difficulty of isolating 32 



effect on host 67 



definition 36 



experimental production of 41 



facultative 37 



plant, inoculated into animals 181 



reaction of host to 90 



restriction regarding hosts 41 



Parasitism, 



bacterial in plants, objections to theory of 39 



produced by feeding 96 



the question of 36 



Parenchyma diseases without hyperplasia 4 



Paris green 203 



Pasteur, micro-organisms in interior of plants 23 



Payen, middle lamella 86 



Peach leaf-spot, prevention of 201 



Peach tree, supposed bacterial disease of 10 



Pear blight, 



(See also Bacillus amylovorus.) 



Arthur's work 8 



bacterial occupation of unruptured bark cells. ... 77 



Burrill's work 7 



discovery of cause 7 



dissemination of 40 



distributed by insects 190 



duration of disease 67 



excision 191 



final outcome 67 



nectarial infection 54 



reaction of host 90 



spread by pruning 190 



susceptibility to 189 



tissues attacked 69 



varieties susceptible to 95 



Peas, bacteria on the surface of 33 



Pectase 86 



Pectic acid 86 



Pectinase 88 



Pectine 86 



Pectocelluloses 86 



Pectose 86 



Peglion, bacterial diseases of plants, views on 16 



Peirce, 



root-nodule organism, Leguminosae, parasitism. . 132 



root-nodules, Bur clover 1 18 



Peklo, 



root-nodule organism, Leguminosae 100 



root-nodules of Alnus 147 



Pelargonium, brown-spot, stomatal infection 62 



Perithecia, obtained by introduction of bacteria. ... 169 



Phylloxera, treatment for 202 



Pierce, 



Bordeaux mixture, effect on peach foliage 201 



walnut blight, preventive measure 201 



Pinguicula, 



bacteria in excretion of 148 



insectivorous nature 147 



Pinoy, 



Myxomycetes, relations of bacteria to development 



of 171 



Myxomycetes, symboisis with bacteria 169 



Plasmodiophora brassicae, role of bacteria in devel- 

 opment of 170 



Piricularia disease of rice, schizomycete associated 



with 33 



Plant acids, effect on bacteria 29 



