Pomona College Journal of Economic Botany 65 



the liberal support of the government of the State of Para, this Botanic Garden 

 has been able to draw upon practically the whole Amazon Valley for its material 

 and so possesses collections of unique interest and value. The field opera- 

 tions of the Garden have extended from French Guiana and the mouth of the 

 Amazon, to the eastern slopes of the Andes, where Drs. Goeldi and Huber 

 collected in the rich valleys of the Ucayali and the Huallaga. In intervening 

 territory Dr. Ducke has traversed the Rio Negro, the Rio Trombetas and 



Figure 23. Showing the fine development out-of-doors of plants only known in northern 

 greenhouses. Note the large Monstera on the tree and the fine 

 marant in center of bed. 



