88 



Tab. II. 



LEAF-STALK— II. 

 The part under water = 50 c. rn. 



Date. 



Time. 



Length 

 of Leaf- 

 stalk. 



Daily 

 Growth. 



Leaf. 



Daily 

 Growth. 



Mean 

 Temp. 



Remarks. 



Aug. 12 



12. m. 



12.0 





13.0 





26.5 





13 



3. p.m. 



37.0 



25.0 



19.0 



6.0 



26.8 





14 



2. „ 



58.5 



21.5 



25.0 



6.0 



24.6 





15 



2.30 „ 



76.0 



17.5 



30.0 



5.0 



26.2 





16 



1.20 „ 



8.55 



9.5 



39.0 



9.0 



27.1 



Leaf partly un- 

 folded 



17 



2- „ 



9.10 



5.5 



47.5 



8.5 



28.6 



Almost unfolded. 



18 



12. m. 



9.45 



3.5 



54.0 



6.5 



27.6 





19 



?> 



9.65 



2.0 



60.0 



6.0 



27.9 





20 



„ 



99.0 



2.5 



61.5 



1.5 



27.5 





21 



V 



101.7 



2.7 







27.3 





22 



>> 



103.5 



1.8 







26.2 





23 



>> 



104.7 



1.2 







25.1 





24 



„ 



105.9 



1 2 







24.0 





25 



>J 



106.0 



0.1 







25.6 





Tab. III. 



LEAF-STALK— III. 

 The part under water = 67 cm. 



Date. 



Time. 



Length 

 of Leaf- 

 stalk. 



Daily 



Growth. 



Leaf. 



Daily 

 Growth. 



Mean 

 Temp. 



Remarks. 



Aug. 1 2 



12. m. 



22.0 





14.0 





26.5 





13 



3. p..m 



36.0 



14.0 



22.0 



8.0 



26.8 





14 



2 



a, ,, 



53.0 



17.0 



27.0 



5.0 



24.6 





15 



2 30 „ 



61.0 



8.0 



32.0 



5.0 



26.2 



Almost unfolded. 



16 



1.20 „ 



67.5 



6.5 



39.0 



7.0 



27.1 



Fully unfolded. 



17 



2- „ 



70.0 



2.5 



45.0 



6.0 



28.6 





18 



12. m. 



72.0 



2.0 



48.0 



3.0 



27.6 





19 





74.0 



2.0 



48.5 



0.5 



27.9 





20 





76.0 



2.0 



49.0 



0.5 



27.5 





21 





78.0 



2.0 







27.3 





22 





80.0 



2.0 







26.2 





28 





81.0 



1.0 







25.1 



' 



24 





82.0 



1.0 







24.0 





25 





82. -f 



0.+ 







25.6 





