JOURNAL 
OF 
The New York Botanical Garden 
Vo. XIX February, 1918 No. 218 
NARRATIVE OF A TRIP TO SOUTH AMERICA FOR 
COLLECTING CACTI* 
Dr. N. L. omen DIRECTOR-IN-CHIEF: 
r. to your commission to go to South America to 
collect seheeeentate material of the various cacti that I might 
encounter in the different places visited, I sailed from New York 
n the S. S. Byron, November 4, 1916, arriving at Buenos Aires 
ove t 
Janeiro, thus enabling me to call on Dr. Alberto Léfgren, of the 
Botanical Garden there. The Doctor received me most cor- 
dially and promised to prepare a collection of living Rhipsalis for 
north; i in return, was to send him material of the various Rhip- 
salis that I might collect on this trip, which indeed I was glad to 
do, as the Doctor is probably the best authority on this genus at 
the present time. Having a letter of introduction to Mr. 
Hussy, general manager of the Central and South American 
Telegraph Company, I called on him the first thing next morning. 
mation of use in getting about the city and accompanied me to 
many places. His son Harry also frequently acted as my guide 
reparation of this report has been much delayed by the ag eanoeian 
nike pe ihe late Dr. Shafer. It is now published as a record of important 
expedition which yielded very valuable information r the nograp! of Cae 
taceae by Dr. Britton and Dr. Ros course of publication by the Carnegie 
Institution of Washington. 
2L 
