TABLE 9 (continued) 



1,1,1-Ethane- 

 tricarboxylic 



Agaricic 



Tartronic 



Suberic 



Sebacic 



Glutaric 



Acid 



Ha-C 



HOOC-C-COOH 



1 

 COOH 



CH , C(OH)— CHCieH : 



COOH COOH COOH 



COOH 



I 

 H-C-OH 



COOH 



COOH 



I 

 (CH^), 



COOH 

 COOH 



(CHa), 



COOH 



COOH 



I 



(CH2)3 



COOH 



c/i- Camphoric 



frani-Camphoric 



COOH 

 COOH 



COOH 





S 

 o 



§- 



+ 



+ 



+ 



+ 



Co 

 o 





S 



3 

 to 



5 



2 



Oh an 



+ 



O — — 



O — — 



Notes: The following acids are inactive: aconitic, oxalic, malonic, formic, 

 glycoUic, lactic, acetic, saccharic, mucic, aspartic, glutamic, phthallic, terephthallic 

 and a-truxil!ic acids. Citric acid was reported by Bruchmann (iQog) to attract 

 the spermatozoa of Lycopodiiun clavatum Linn., but it has no effect on the 

 spermatozoa of the plants mentioned in this table. 



50 



