Gr. E. Briggs, F. Kidd, and C. West 



109 



Table IV. — " Badischer Friih " Maize grown at Poppelsdorf in 1878. 



Date of 

 harvest 



1878 



20th May 



28th „ 



4th June 

 11th „ 

 18th „ 

 25th „ 



2nd July 



9th „ 

 16th „ 

 23rd „ 

 30th „ 



6th Aug. 

 13th „ 

 20th „ 

 27th „ 



3rd Sept. 

 10th „ 



Total dry- 

 weight of 

 Growth a single 

 period plant 



Days Gm. 



0-3282 



8 0-3280 



7 0-2870 



7 0-2550 



7 0-3080 



7 0-6370 



7 2-319 



7 4-654 



7 9019 



7 20001 



7 34-557 



7 57-587 



7 70095 



7 85-165 



7 111-649 



7 124-760 



7 121-990 



Increase in 



dry-weight 



since last 



harvest 



Gm. 



-0-0002 



-0041 



-0032 



+ 0053 



0-329 



1-682 



2-335 



4-365 



10-982 



14-556 



23030 



12058 



15070 



26-484 



13-111 



-2-770 



Weekly 

 percentage 

 increase in 

 dry-weight 

 since last 



harvest 



Leaf- 



area 

 Sq. cm. 

 per plant 



-12-5 



-11-2 17-9 



+ 20-8 29-2 



106-5 124-4 



264 419-2 



100 762-2 



94 1301 



122 2136 



72 2805 



66 3384 



21-7 3047 



21-4 3025 



31 2976 



11-7 2684 



-2-2 2387 



Ratio of 

 leaf -area 

 to dry- 

 weight 

 Sq. cm. 

 per gm. 



70 

 95 



195 



181 



174 



144 



107 

 81 

 59 

 43-5 

 35-5 

 26-5 

 21-5 

 19-5 



Number Record of 



of hours Mean appearance 



of sun- tempera- of 3 and ? 



shine ture flowers 



40 

 27 

 19 

 40 

 36 

 16 

 20 

 57 

 23 

 35 

 32 

 35 

 17 

 21 

 35 



12-4 

 13-6 

 15-5 

 151 

 17-9 

 19-8 

 171 

 16-8 

 19-6 

 19-8 

 18-2 

 201 

 19-3 

 17-8 

 190 

 19-2 



c?and$ 

 flowers 



Table V. — " Hilhner" Maize grown at Poppelsdorf in 1875. 



* The figures in brackets in column 5 give the percentage increase in dry-weight for 

 the number of days stated in column 2. 



