EFFECTS OF SELECTION ON ALKALOIDS IN BELLADONNA. 7 



Table IV. — Alkaloids in the leaves of first-generation belladonna plants from close polli- 

 nation and cross-pollination of selected parents at two stages of growth at Arlington, 

 Va., during the first season, WIS — Continued. 





Alkaloidal content (per cent). 



Lot and number. 



Alkaloidal content (per cent). 



Lot and number. 



First 



stage, 



Aug. 19. 



Second 



stage, 



Sept. 23. 



Average. 



First 



stage, 



Aug. 19. 



Second 



stage, 



Sept. 23. 



Average. 



Lot 6w, close polli- 

 nated — Contd. 

 19 



0.557 



0.715 

 .503 

 .904 

 .841 

 .562 

 .693 

 .789 

 .799 

 .657 

 .848 

 .565 



0.636 



Lot 7w, close polli- 

 nated — Contd. 

 18 



0.696 



.478 

 .521 



0.715 

 .669 



0.706 



20 



19 



.574 



21 



.753 

 .831 

 .433 

 .771 

 .826 

 .843 

 .807 

 .742 



.829 

 .836 

 .498 

 .732 

 .808 

 .821 

 .732 

 .795 



20 





22 



21 







23 



22 



.829 

 .574 

 .717 

 .813 

 .730 



.894 

 .515 

 .940 

 .856 

 .641 



.862 



24 



23 



.545 



25 



24 



.829 



26 



25 



.835 



27 



26 



.686 





Average 



Lot 7w, cross-polli- 

 nated: 



1 





29 



.595 



.632 





30 



.794 







31 



.662 

 .974 





.526 



' .448 



.681 



.771 

 .468 

 .586 

 .369 

 .678 

 .885 

 .621 

 .669 

 .468 

 .646 

 .631 

 .736 

 .635 

 .621 

 .799 

 .526 

 .633 

 .609 

 .511 

 .369 





32 



.690 

 .679 

 .640 

 .755 



.832 





33 



.649 



34 



.748 

 .848 

 .836 

 .526 



.694 

 .802 



2 



.458 



35 



3 



.634 



36 



4 





37 



.674 



.600 



5 



.512 

 .813 



.430 

 .658 

 .676 

 .646 

 .741 



.595 







.S49 

 .526 



Average 



.672 



.701 





7 







.664 

 .572 



Lot 6w, cross-polli- 





.724 

 .555 

 .663 

 .368 

 .683 

 .729 

 .729 

 .447 

 .565 

 .729 

 .543 

 .574 





9 



10 



.646 





11 



.686 



2 



.609 



.582 



12 





3 



13 



.598 



.617 









14 







.705 

 .665 

 .557 

 .598 

 .504 

 .638 

 .759 

 .574 

 .594 

 .693 

 .391 

 .646 

 .478 

 .486 

 .450 

 .621 

 .535 



.694 

 .697 

 .643 

 .523 

 .535 

 .709 

 .651 

 .574 



15 



.646 

 .675 

 .729 

 .669 

 .681 



.723 



6 



16 



.601 





17 



.681 



8 



18 



.639 



9 



19 



.596 





20 







21 



.504 







22 









23 



.609 

 .500 









*. .550 



.622 



24 









Average 



Lot 23, cross-polli- 

 nated: 



1 







16 







.618 



.611 













18 



.505 



.496 



.199 

 .369 







19 





20 



.526 

 .726 

 .613 



.574 

 .681 





21 



2 







93 



3 













4 



.426 

 .305 

 .332 

 .494 

 .538 

 .455 

 .393 









.586 



.602 





5 









g 







Lot 7w, close polli- 

 nated: 

 l 



.717 

 . 04.5 

 .632 



.591 

 .545 

 .515 

 .394 

 .468 

 .658 

 .492 

 .646 

 .602 

 .550 

 .470 

 . 586 

 . 7.5:; 

 .712 

 ,626 



. 70.5 



. 633 



.654 

 . 595 

 .571 



7 







8 







9 







2 



10 









Average 



Lot 46, cross-polli- 

 nated: 

 1 







.408 









..520 

 .654 

 .442 

 .591 



.497 

 .656 



.407 

 .619 







<; 



.383 

 .309 

 .451 

 .314 

 .528 

 .480 

 .400 

 .332 



.406 

 .382 

 -.480 





7 







.395 







2 



.376 







10 



. 409 

 .427 

 .510 



.085 

 . 650 

 .340 



.020 

 .492 



. 480 

 . 149 

 .548 

 .719 

 .681 

 .483 

 .000 

 .563 





.466 



11 



4. . 





I ! 



5 







13 



6 



.711 

 .366 

 .316 



.011 



14 



7 



.383 



16 



8 



.324 





Average 





17 



.407 



.448 









