156 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



[Vol. 6 



TABLE III 



TREATMENT OF SEEDS WITH MERCURIC CHLORIDE 





O 



a. 



E 

 H 



o 



a 

 *E 



o 



c 



V 



a 



c 



E 



n3 



O 



c 



u 



o 



a 



o 



T3 



C 



c 

 U 





CT3 

 (1) 



£ 



1) 



u 



=3 



O 



w 



o 



(V 



£ 



c 



i 





o 



o 



C 



'e 



a 



c 



u 



a 



E 



C 



o 



c 



u 



u 



a 



c 

 o 



c 

 o 



bft 



G 



OT3 



a; 



.1 per cent solution 



.5 per cent solution 



Corn 



Field peas 



Wheat 



Dwarf 

 bean 



1 



10 



20 

 40 



90 

 90 

 80 

 40 



1 



10 

 20 

 40 



1 



10 

 20 

 40 



96 

 96 

 96 

 60 



1 



10 

 20 

 40 



90 



10 



20 







96 

 96 

 60 

 20 



40 



20 











30 



10 











35 



10 



5 







60 

 40 

 10 



5 



Normal 

 Normal 

 Normal 

 Injured 



Normal 

 Normal 

 Normal 

 Injured 



Garden 

 peas 



Normal 

 Normal 

 Injured 

 Injured 



Dwarf 

 bean 



Normal 

 Normal 

 Injured 

 Injured 



Garden cress 



( Lepidium ) 



sativum) 



Morning 



glory 

 ( Ipomoea 

 purpurea) 



1 

 10 

 20 

 40 



1 



10 

 20 

 40 



96 

 96 

 90 



80 



1 



10 

 20 

 40 



1 

 10 

 20 

 40 



94 

 94 

 70 

 30 



90 

 90 

 80 

 30 



96 

 96 

 90 

 60 



40 



20 











40 



10 











40 



20 











20 



10 











Normal 

 Normal 

 Normal 

 Slightly 

 injured 



Normal 

 Normal 

 Normal 

 Injured 



Normal 

 Normal 

 Normal 

 Injured 



Normal 

 Normal 

 Normal 

 Injured 



Radish 



Alfalfa 



Garden 

 peas 



Barley 



1 

 10 

 20 

 40 



90 

 90 

 90 

 60 



60 

 50 

 20 







1 



10 

 20 

 40 



1 

 10 

 20 

 40 



86 

 78 

 70 

 60 



70 



60 



10 







Normal 

 Normal 

 Normal 

 Normal 



Nasturtium 

 (dwarf) 



1 



10 

 20 

 40 



Normal 

 Normal 

 Normal 

 Normal 



Onion* 





96 

 96 

 96 

 90 



75 

 70 

 40 

 20 



1 

 10 



20 

 40 



60 



60 



40 







75 

 5 

 







1 



10 

 20 

 40 



Normal 

 Normal 

 Normal 

 Normal 



Normal 

 Normal 

 Injured 



Lupinus 

 albus f 



Lupinus 

 albus % 





1 

 10 

 20 

 40 



1 

 10 

 20 

 40 



90 

 90 

 90 

 90 



60 



40 











80 

 80 

 80 

 60 



90 

 90 

 90 

 80 





90 

 90 

 90 



75 



90 



40 













80 

 80 

 60 

 10 



60 



50 



10 







Normal 

 Normal 

 Normal 

 Injured 



Normal 

 Normal 

 Normal 

 I n j u red 



Normal 

 Normal 

 Normal 

 Normal 



Normal 

 Normal 

 Normal 

 Normal 



* Preliminary treatment 

 t Preliminary treatment 

 X Preliminary treatment 



seed soaked in H 2 12 hrs., then 1% HjOi for 1 min 

 soaked in 70% alcohol for 1 min. 

 soaked in HjO» for 10 min. 



