224 



The Pedigree Families. 



OENOTHERA LAMARCKIANA. 



A 



THE LAMARCKIANA FAMILY. 



I 



TABLE SHOWING THE ORIGIN OF NEW SPECIES FROM THE 



TYPE. 



(The figures refer to the numbers of individuals.) 



GENERATIONS 



SPECIES 



gigas 



albida 



ob- 

 longfa 



rubri- 

 nervis 



Lam. 



na- 



nella 



lata 



scin- 

 tillans 



VIII 



VII 



VI 



V 



IV 



III 



II 



8th gen. 



1899 

 (annual) 



7th gen. 



1898 

 (annual) 



6th gen. 



1897 

 (annual) 



5th gen. 



1896 

 (annual) 



4th gen. 



1895 

 (annual) 



3rd gen. 



1890-91 



(biennial) 



2nd gen. 



1888-89 



(biennial) 



1st gen. 



1886-87 



Hilversum 



and 



Amsterdam 



(biennial) 



1 1700 21 1 



9 3000 11 



11 29 3 1800 9 5 1 



25 135 20 8000 49 142 6 



1 15 176 8 14000 60 73 1 



1 10000 3 3 



15000 5 5 



