CONTENTS 
Pige. 
AMES,, OAKES. Notes on Philippine Orchids with De- 
scriptions qf New Species, IV i 
BRAND, A. Additional Philippine Symplocaceae, H 29 
BROWN, W. H. The Mechanism of Curvature in the 
Pulvini of Mimosa pudipa ' 37 
COPELAND, E. B. The Genus Thayeria 41 
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