Xll 



CONTENTS 



PARAGRAPHS 



177 



Mycomycetes (Higher fungi). (Page 202) 



Ascornycetes (Sac fungi) : rose mildew, violet stem-rot. 

 (Pages 202-205) 



Uredinese (Rust fungi) : carnation rust, rose rust. 

 (Pages 205-206) 



Basidiornycetes : wet stem-rot of carnations. (Pages 

 206-208) 



Fungi imperfecti : leaf-spot on violets, black-spot on 

 roses, leaf-spot on carnations, on chrysanthemums, an- 

 thracnose of the rose, of the violet, mignonette disease, 

 other diseases of a similar character, fairy ring-spot of 

 carnations, branch-rot of carnations. (Pages 208-211) 207-235 



178-190 



191-200 



201-206 



CHAPTER XII 



INSECTS ON GREENHOUSE PLANTS. (Pages 212-225.) 



General characters of insects : structure, metamor- 

 phoses, reproduction. (Pages 2 12-214) . ..,/- . 236-238 

 Classification by feeding habits. (Page 214) .*. . 239 

 Methods of combating insect attacks. ( Pages 214-215) 240 

 Lists of pests commonly found in greenhouses. (Page 



215) > . 241 



Method of attack. (Page 210) 242 



Pests exterminated by hand picking or arsenical 

 sprays : caterpillars and leaf rollers : their characters 

 and remedial measures. (Pages 216-217) . . . 243-244 



Pests which may be kept in check by removing them 

 from the soil : white grubs ; life history and nature of 

 damage, habitat, method of preventing attack. (Page 



217) 245-247 



Pests exterminated by poison baits or by hand pick- 

 ing : cutworms ; life history and nature of damage, reme- 

 dial measures. (Pages 217-218) 248-249 



Pests exterminated by water sprays and salt solutions : 

 red spiders ; characters and life history, greenhouse con- 

 ditions which favor growth and reproduction, effects of 

 fumigation with hydrocyanic acid gas, effects of water 

 sprays and salt solutions, effects of sulfur fumes. (Pages 

 218-220) 250-254 



