776 



Streptothrix, 37; fluitans, 37 



Strobilomyces strobilaceus, 230 



Strophomany, 339 



Structure of lichen thallus, 81 



Stub, figure of, 311 



Students of nuclear phenomena in 



fleshy fungi, 218, 219 

 Students, suggestions to, 407 

 Sturgis, W. C, literature of plant 



diseases, 411 

 Stylospores, 50 

 Succulence, abnormal, 368 

 Sucrose, 58 

 Sucking insects, 565 

 Suffocation, 565 

 Suffulcra of Erysiphaceae, 155 

 Sugar beets, curly-top of, 573 

 Suggestions to teachers and students, 



407-410 

 Sulphur bacteria, 28; influence of, 278 

 Sunscald, 282 

 Sunscorch, 282 

 Suppression, 339 

 Surgery of trees, 319 et seq.; figures of, 



320 

 Susceptibility to disease, 325; to infec- 

 tion, 273 

 Sweet pea diseases, experiments with, 



647; streak, 547 

 Sweet potato black-rot, 548 

 Swingle, Dean B., studies on columella 



formation, 96 

 Sycamore, 549; blight, 549 

 Symbiotic, 49 

 Symptomatology, 341 

 Symptoms, description of, 640; of 



disease, 341; of poisoning, 238, 239 

 Synandry, 339 

 Synanthody, 339 

 Synanthy, 339 

 Syncarpy, 339 

 Synchytrieae, 117 

 Synchytrium, parasitism of various 



species, 117; vaccinii, 509 

 Syncotylous races, 329 

 Synophthy, 339 



Synspermy, 339 



Syphilis, 37 



Systematic account of bacteria, 34 



Systematic ■ bacteriology, 630, 631; 



botany emphasized, 271; position of 



fungi imperfecti, 260 



Taka-diastase, 58, 146 

 Tannin as a protective substance, 274 

 Taphrina cserulescens on oaks, 85 

 Taphrina, description of various species, 



134; of figures of, 132 

 Tas Gu of Java, 146 

 Taubenhaus, J. J., work of, 274 

 Taxitery, 339 



Teachers, suggestions to, 407 

 Teaching methods, 407-410 

 Telegraph wires, injury by, 310 

 Teliosorus of cedar apple, figures of 



section, 193, 194, 207 

 Teliospores, 187; of cedar apple rust, 



figures of, 208 

 Telium, 187 

 Teleutospore, 187 

 Teratology, 331; book on, 340 

 Terfas as food of Arabs, 151 

 Terfeziacese, character of, 151 

 Terfezia, character and occurrence of 



various species, 151 

 Test-tube plugging, 586 

 Tetramyxa, 9; parasitica, 11 

 Tetranychus mytilaspidis, 296 

 Thalloid shoot of Lunularia, figures of, 



361 

 Thallophytes, i 



Thamnidium chffitocladioides, loi, char- 

 acter of species of, 102; elegans, 



figure of, loi 

 Thaxter, Roland, work of, 172 

 Thelephoraceae, characters of family, 



221 

 Thermogens, 25 

 Thesium alpinum, 298 

 Thielavia basicola, 550; figures of, 551, 



552; pathogenicity, 149, 150 



