INDEX OF ILLUSTRATIONS 
PLATE 
Altensteinia elliptica C. Schweinf. . ..... . (II 
Aristolochia Amesiana FP. 7. Schultes . . 2... LX 
Buesiella pusilla C. Schweinf. . . . . . . . XLVIII 
Clusia chiribiquetensis Maguire . . . . . . XVIII 
Conomorpha riparia R. H. Schultes. . 2. 2. 2 .) XIX 
Cybianthus Duckei R. H. Schultes . . 2 2. 2 1. XX 
Diothonea exasperata C. Schweinf... . . . . XXXV 
Distribution of Hevea Lopezii R. 7. Schultes and 
its forma anteridifera R. 17. Schultes (Map) LXXIV 
Distribution of Hevea microphylla Ule (Map) XXXIX 
Distribution of Hevea Rossiana R. EH. Schultes 
Oy. ee Re we we eee ey OY 
Duroia hirsuta (Poepp. & Endl.) K. Schum. . XVIII 
Epidendrum breviracemum C. Schweinf. . . .  XLI 
Epidendrum crassum C. Schweinf. . . . . . . XLII 
Epidendrum laceratum C. Schweinf. . . . . XLIII 
Epidendrum subliberum C. Schweinf. . . . . XLIV 
Epidendrum tenuispathum C. Schweinf. . . . XLV 
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