General I iidex. 



283 



Page 



Loose smut of wheat . . . . 86 



germination . . . . 8t) 



infection of llower . . 20, 87 



treatment of seed . . . . 14'J 



Losses caused by — 



oat smut . . ■ . 4, 18() 



stinking smut . . . . 4, 130 



Lycoperdon, supposed lescmhlance 



of smut to . . . . .J 



Maize, smut-boils . . . . 3 



Alaize smut, difficult to germinate 



spores in water . . . . 112 



Manures and flag smut . . 101 



Melanopsichium . . . . lt)3 



spore formation . . . . 1<) 



Melanopsichium austro-americauuin (i4 

 Minnesota blue stem, compara- 

 tively resistant to bunt . . 47 

 Modes of infection . . . . 29 



Mycelium, as a protective covering 



for spores . . . . 10 



composed of hyaline tubes . . 9 



localized . . . . . . 10 



perennial . . . . 'J 



Naked smut of barley [Ustiki'ju 



nuda) . . . . . . 1(>7 



germination . . . . 107 



infection . . . . . . 10, 107 



treatment of seed . . . . 149 



Nuclei . . . . . . 13 



fusion of . . . . . . 14, 40 



in fusion tubes . . . . !•") 



of mycelium . . . . 14 



of spores . . . . 14 



Nutrient solutions . . . . 20 



Oat smut, losses caused by . . 4. 13<i 



Oospore . . . . . . 14 



Origin of parasites . . . . 41 



Pairing of conidia . . . . 14 



Parasites . . . . . . 41 



Parasitism, factors involved . . 02 



origin . . . . . . 41 



specialisation . . . . 43, (il 



Parasitism and immunity . . 45 



Partially bunted ears . . . . 85 



grains . . . . . . 85 



plants . . . . . . 85 



Pathology elemental . . . . 58 



PeniciUiitin and toxic solutions . . 00 



Perennial mycelium . . . . 9 



Peridium . . . . . . 12, 209 



Phycomycetes oi- alga-like fungi.. 38 



Plants, entirely and partially bunted 1 34 



Promycelial spores (see Conidia) 11 

 Promycelium .. .. ..II. 39 



bearing conidia — a saprophyte 4 1 



dis|)ensed with . . . . 23 



Pronuclei, conjugation of male and 



female . . . . . . 14 



Protobasidia . . . . . . 38 



Pseudomixis . . . . . . 4U 



Puccinia (p-aminis. drop|)ing sa])ro- 



])liytic stage . . . . 43 



germination of teleutospores 41 



Pure cultures . . . . . . 21 



Rapidity of germination and smut 



liability . . . . 55 



Page 



Recessive characters . . . . 47 



Relations between host and para- 

 site . . . . . . 58 



Reproductive organs, spores .. 11 



Rotation of crops and flag smut 101 



Rusts, accidial stage . . . . 40 



differences from smuts . . 44 



immunity . . . . 45 



relation to smuts . . . . 38 



resemblances to smuts . . 44 



Saprophytes . . . . . . 41 



Seedling infection . . . . 30, 33 



Selection and cross-breeding wheat 48 

 Selections from crosses, for bunt- 

 resistance .. 48, 52, 131 

 percentage of bunt . .52, 132 

 Self-sown wheat and bunt . . 83 

 Septa . . . . . . 9 



formation in jiromycelia 14, 38, 70 



Sexuality in rusts . . . . 42 



absent in smuts . . . . 13, 41 



Shoot infection . . . . 33, 34 



Smut-balls in soil, infection from 30 



Smuts, differences from rust . . 44 



gall-forming species . . 04 



general treatment .. 113 



highly specialised . . . . <U 



immunity . . . . 47 



indigenous and introduced . . 03 



life-histories . . . . 07 



relation to rusts . . . . 30 



resemblances to rusts . . 44 



Soil infection . . . . . . 83 



Sorghum grain smut . . . . 121 



distribution . . . . 122 



effects and losses . . . . 121 



germination . . . . 122 



infection . . . . • • 122 



spore-formation . . . . 122 



treatment . . • • 123 



Sorosporium . . . . • • 175 



spore-formation . . • • 17 



s|inrc masses . . . . I'i 



Sord-^jKininn . iili rotnorphutii ■ ■ 125 

 S(>r(i--ji(,nNiii nilidiiiim. germina- 

 tion .. .." .. Ill 



infection . . . . • . 11 1 



Sorosporiion sapouariae ■■ 13. 17 



Sonisporiiini solidiim . . • • 18 



Specialisation of parasitism . . 01 



Sphagiuim, smut on capsule . . 3 



Spirogym, conjugating cells . . 14 



Spores, collection for infection . . 35 



develo])ment . . • • 10 



dis]K-rsion .. 12. 13, 29 



l)y insects .. ..13, 145 



bv thrips . . . . 29 



bV wind .. .. 12 



formation .. .. 13. 10 



gcitnination . . ..11. 20 



factors influencing . . 21 

 living and growing outside of 

 lu)st-plant 



Irui'tmv 

 itality . , 

 linterinu. 



14 



12 



.22. 72. 122. 12f> 



74 



