TABLE OF CONTENTS 
NuMBER 1 (June 7, 1957) 
The Identity of the Malpighiaceous Narcotics of 
South America 
By Ricuarp Evans SCHULTES. ....... 1 
NuMBER 2 (June 26, 1957) 
The Effects of Certain Genes on the Outer Pistil- 
late Glume of Maize 
By WALTON C. GALINAP . Joe 4 «cu a « « BT 
Number 8 (January 27, 1958) 
Orchidaceae Neotropicales IV 
By Ricnarp Evans ScCHULTES . afi 
Studies in American Orchids III 
By Leste A. GARAY .... +. «s+. « » 108 
A New Lepanthopsis from Venezuela 
By CuHarRLeEs SCHWEINFURTH ........ . 109 
NumBeEr 4 (April 4, 1958) 
Plantae Austro-Americanae X 
By Ricuarp Evans SCHULTES. ...... .118 
NuMBER 5 (November 20, 1958) 
How Absurd Can a Nomenclatural Proposal Be? 
By Lesuige A. Garay AND RicHarp Evans 
SOUDINGS . <4). Goel. se ew ee 
[v ] 
