16 FRIEDA COBB 



Mut. gigas (BARTLETT 1915 b, page 443). 



Mut. grisea, an undescribed mutation. 



Mut. grisella, an undescribed mutation. 



Mut. nitidissima (BARTLETT 1915 b, page 440, table IV). 



Mut. nummularia, a mutation commonly thrown by strain C but never by 

 pure strain E. (BARTLETT 1915 a, page 97; COBB and BARTLETT 1919.) 



Mut. revoluta (BARTLETT 1915 b, page 450). 



Mut. setacea (BARTLETT 1915 b, page 450). 



Mut. sub-latifolia, an undescribed mutation. 



Hyb. mscida, a hybrid of Oenothera pratincola X Oenothera numismatica 

 (BARTLETT 1915 a, page 86). This form is like Oe. pratincola f. typica 

 with the addition of the viscid pubescence of Oe. numismatica. 



TABLE 1 



Record of the parentage of all of the progenies recorded in the following tables with key numbers. 

 All plants not otherwise designated are f. typica 



I 2 E - 5 - 199 formosa - 28 formosa] 



X [ 4 



C - 22 - 13 latifolia - 87 latifolia} 



2 E - 5 - 199 formosa - 28 formosa 

 X 



C - 22 - 13 latifolia - 87 latifolia 



190 



3 E - 5 - 199 formosa - 28 formosa} 



X [ 162 



C - 22 - 13 latifolia - 87 latifolia} 



4 E - 5 - 199 formosa - 28 formosa} 



X f 162 - 164 formosa] 



C - 22 - 13 latifolia - 87 latifolia] X 



C - 52 - 6 grisella 3 - 31 grisella - 73 - 3J 

 (= 3 No. 164 formosa X f. typica C) 



5 E - 5 - 199 formosa - 28 formosa} 



X [ 162 - 153 formosa] 



C - 22 - 13 latifolia - 87 latifolia} X 



C - 52 - 6 grisella - 31 grisella - 73 - 3J 

 (= 3 No. 153 formosa X f. typica C) 



6 E - 5 - 199 formosa - 28 formosa] 



X [ 162 - 30 formosa] 



C - 22 - 13 latifolia - 87 latifolia} X 



C - 52 - 6 grisella - 31 grisella - 73 - 3J 

 (=3 No. 30 formosa X f . typica C) 



2 These numbers are designated "key numbers" in subsequent tables. 

 * An undescribed mutation. 



