34 F. C. STEWARD AND J. K. POLLARD 
ADIANTUM PEDATUM 
SHOOT APEX ALC. SOL.N. 

¥- OH, ¥- CH, 
glutamic 
BUTANOL-ACETIC-WATER 
<_———— PHENOL - WATER 
Fig. 9. The ninhydrin-reactive, alcohol-soluble compounds of the shoot apex of the maiden hair 
fern (Adiantum pedatum) as shown on a phenol: collidinelutidine chromatogram. Compounds 
designated by Nos. 2—23 follow the convention of Fig. 1. 
TULIP BULB 
ALCOHOL SOLUBLE NITROGEN 
- 
A 
‘ee 


Y-METHYLENEGLUTAMIC ACID 
- 
LY-HYDROXY, I-METHYLGLUTAMIC ACID 
— BUTANOL—ACETIC-WATER —————> 

= — PHENOL-WATER — 
Fig. to. The ninhydrin-reactive, alcohol-soluble compounds of the tulip bulb. Chromatogram 
arranged to show the designated y-glutamyl compounds. 
References p. 42 
