CHAPTIiR IX 



FIRST UUROPHAN JOURNCV. PLANT BRHIIDING AND TUll THIRD 

 INTERNATIONAL CONFURENCI- ON GENETICS. STUDIES ON CROWN 

 GALL OF PLANTS AND THE ETIOLOGY OF PLANT TUMORS. RECOG- 

 NITION OF ITS IMPORTANCE AS AN AID TO MEDICAL RESEARCH ON 



ANIMAL CANCER 



ON MARCH 1,-1906, Smith closed up his laboratory work, 

 bade farewell to his co-workers, and the next morning he 

 and Mrs. Smith sailed from New York for Naples on the North 

 German Lloyd steamship. Princess Irene. He took with them his 

 manuscripts, photographs, and drawings for the unpublished 

 volumes of Bacteria in Relation to Plant Diseases, his camera 

 and microscope, many small sterile Petri-dishes, and a large sack 

 of culture media — nutrient agar in small 6 c.c. thick test tubes. 



On the journey across, he enjoyed discussions on questions of 

 patholog)' with Dr. David I. Wolf stein of Cincinnati and Dr. 

 Albert Vander Veer of Albany who was on his way to attend the 

 International Medical Congress at Madrid. They landed at Naples 

 and t\vo days later Smith went to the University and spent an 

 afternoon with Professor Fortunato Pasquale who immediately 

 began to acquaint him with facts of Neapolitan agriculture. 



He visited the Zoological Station in the morning of March 19, 

 and that afternoon, invited by Pasquale, visited Portici. Pasquale 

 taught systematic and pharmaceutical botany, however, and it was 

 not until the next day that he began to become acquainted with 

 European plant bacteriologists and study their work. 



He visited the more than a century old Botanic Garden where 

 he met Dr. Fridiano Cavara who had just been appointed director 

 of the garden and professor of botany in the university. He 

 showed Smith through the buildings and grounds, and it was 

 arranged for him to return later. 



The next day he again went to Portici and this time met Dr. O. 

 Comes, director of the R. Scuola Superiore d'Agricoltura. A 

 class of twenty-six students, introduced to Smith as a " very dis- 

 tinguished scientific man " from the United States, stood and 



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