Fig. 3. ClnomatojTiams of extracts of (A) uheat-trcatcd and (B) peaiicated solu- 

 tions of w(indole-3-)alkanecaibonamidcs sprayed \vitli Ehrlich's reagent. The au- 

 thentic acids chromaiographcd in the water plus tissue extract (W) arc, in descend- 

 ing order, indole-3-acet\iaspartic, indolc-3carboxvlic, indolc-3-acctic. and /i- (indole- 



3-)propionic acids. See I able 1 for cliemical names corresponding to the al)brevia- 

 lions. 



r 82 



