INDEX 



775 



Solid vegetable substance, 598 



Solution 338; normal, 613 



Soot, effect of, 289 



Sooty mould of orange, 521 



Sorauer, P., book of, 564 



Sordariaceae, characters of, 162, 163 



Sorosphaera, 9; veronicse, 11 



Soy bean, figure of nodules on roots, 29 



Sparassis crispa, 223 



Special plant pathology, 411 et seq. 



Speiranthy, 339 



Spermogonium, 187 



Sphaeria carpophila, 61 



Sphaeriaceae, characters of, 163 



Sphaerobolaceae, characters of f arnily, 246 



Sphaerochorisis, 339 



Sphaeronema fimbriata, 548 



Sphaeropsidales, 260 



Sphaeropsis malorum, 262; figures of 

 spots due to, 344; on apple, 478, 479; 

 tumefaciens, 647 



Sphaerotheca Castagnei, sexual repro- 

 duction in, iss; key to species of, 722 



Sphaerotilus, 38 



Spirillaceae, 37 



Spirillum, 37; berolinense, 37; comma, 

 37; danubicum, 37; parvum, thickness 

 of, 21; rufum, 37 



Spirochaeta, 37; dentium, 37; Ober- 

 meieri, 37; pallida, 37 



Spiroism, 339 



Spirosoma, 37 



Spontaneous chimaeras, 330 



Sporaboia, 234 



Sporangiospores, 50 



Spore discharge in mushrooms, 233, 

 234; figure of, 64 



Spore fall in Amanitopsis vaginata, 

 figure of, 65 ; rate of, 64 



Spore formation in moulds, 96; germina- 

 tion, 61; prints, 728; production, 63 



Spores of yeasts, 622; of rusts, nuclear 

 phenomena in, 192 



Sporodinia grandis, conjugation of, 94; 

 occurrence of, loi 



Sporulation in yeasts, 137 



Spot disease of violet, 558 



Spots, colored, 342 



Spray calendar, 680-690 



Spray pumps, figures of, 691 



Spraying for plant protection, 318 



Sprays, 669 et seq. 



Spruce gum, collection of. 352 



Squared cover-glasses, 616; figures of, 



617 

 Squashes, 525 

 Stab cultures, types of, 627; in figU-ie; 



627 

 Stage micrometer, 582 

 Stag-head, 39s, 565 

 Staining bacteria, 588 

 Stains, 589-592 

 Staminody, 339 



Standardization of culture media, 613 

 Stasimorphy, 339 

 Statement, general, i 

 Steeps, 677-678 

 Stemonitis ferruginea, spores of, 16; 



flaccida, spores of, 16; fusca, figure of, 



14 

 Step micrometer, 585; figure of, 586 

 Stereonemata, 15 

 Stereum, 221, 222; fasciatum, and 



rotting of slash, 75; frustulosum, 553; 



rameale and rotting of slash, 75; um- 



brinum and rotting of slash, 75; 



versiforme and rotting of slash, 75 

 Sterigmatocystis niger, character of , 147 ; 



figure of, 149 

 Sterilization, 625 

 Stesomy, 339 



Stevens, Neil E., mentioned, 84 

 Stigmatomyces Baeri, structure of, 172 

 Stippen, 570 

 Strains of moulds, 95 

 Strangulation, 294 

 Strasburger, Ed., cited, 15 

 Streak cultures, tjrpes of in fungi, 634 

 Streak method of Bergey, 623 

 Streak of sweet pea, 547 

 Streptococcus, 34; erysipelatos, 34; 



mesenterioides, 34; pyogenes, 34 



