﻿CONTENTS. 



Page. 



Introductory statement 5 



Inventory 13 



Index of common and scientific names 81 



ILLUSTRATIONS. 



Page. 

 Plate I. A fruiting branch of the wampi (Claucena lansium (Lour.) 



Skeels, S. P. I. No. 45328) 26 



II. An Indian boy holding a cluster of wild tropical grapes (Vitis 



tiliaefolia Humb. and Bonpl., S. P. I. No. 45361) 26 



III. The Chinese horse-chestnut in its native habitat. {Aesculus iml- 



sonii Rehder, S. P. I. No. 45532) 48 



IY. The sweet granadilla of Guatemala. ( Pa ssi flora Hgularis Juss., 



S. P. I. No. 45614) 48 



Figuee 1. Wilson Popenoe's routes of exploration in Guatemala from Sep- 

 tember 6, 1916, to December 13, 1917 6 



3 



