[Vol. 2, 1915] 



502 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Explanation of Plate 





Figure 1. 



Cultu 



ire no. 



1 



(2)* 



2 



(3) 



3 



(6) 



4 



(8) 



5 



(10) 



6 



(14) 



7 



(18) 



8 



(22) 



9 



(23) 



10 



(26) 





Figure 2. 



1 



(9) 



2 



(10) 



3 



(11) 



4 



(12) 



5 



(13) 



6 



(14) 



7 



(19) : 



8 



(20) ! 



9 



(21) ! 



10 



(22) : 



PLATE 14 



Conditions of growth. 



33 days in unrenewed dist. H 2 at time picture w T as taken. 

 33 days in renewed dist. H 2 at time picture was taken. 



1 day in dist. H 2 0, 32 days in renewed full nutr. 



2 days in dist. H 2 0, 31 days in renewed full nutr. 

 5 days in unrenewed dist. H 2 0, 28 days in renewed full nutr. 

 10 days in renewed dist. H 2 0, 23 days in renewed full nutr. 

 15 days in renewed dist. H 2 0, 18 days in renewed full nutr. 

 20 days in renewed dist. H 2 0, 13 days in renewed full nutr. 

 33 days in unrenewed full nutr. 

 33 days in renewed full nutr. 



5 days in unrenewed dist. H 2 0, 28 days in unrenewed full nutr. 

 5 days in unrenewed dist. H 2 0, 28 days in renewed full nutr. 

 10 days in unrenewed dist. H 2 0, 23 days in unrenewed full nutr. 

 10 days in unrenewed dist. H 2 0, 23 days in renewed full nutr. 

 10 days in renewed dist. H 2 0, 23 days in unrenewed full nutr. 

 10 days in renewed dist. IL^O, 23 days in renewed full nutr. 

 20 days in unrenewed dist. H 2 0, 13 days in unrenewed full nutr. 

 20 days in unrenewed dist. H 2 0, 13 days in renewed full nutr. 

 20 days in renewed dist. H 2 0, 13 days in unrenewed full nutr. 

 20 days in renewed dist. H 2 0, 13 days in renewed full nutr. 



* The numbers in parentheses correspond to the culture numbers of series 2. (See 

 table in.) 



