THE AMEBIC AN NATURALIST [Vol. XLIV 



at Dixie Landing near Tensaw, Alabama, a well-known 

 locality for the species. It was selected because of the 

 breadth of the leaves, which in this species present a 

 wide range of variation from lanceolate to broadly 

 elliptical, and for the reddish coloration of the sepals 

 which in other forms of grandiflora may be a clear green. 

 This plant in the Woods Hole garden grew to be 2.1 m. 

 high and presented a habit characterized by a strong 

 main stem and long side branches rising from near its 

 base. 



Eight plants of this cross were brought to maturity in 

 the garden of 1909 and exhibited a wide range of form. 

 Seven of them were markedly grandiflora-\ike in habit 

 and foliage, but with shorter main stems, 1.1-1.5 m. high ; 

 the flowers were somewhat smaller than those of the 

 grandiflora parent. It is not safe, however, in a rela- 

 tively small culture to draw conclusions from this large 

 proportion of the hybrids resembling the male parent 

 (patroclinous), especially since in the reciprocal cross 

 described below approximately half of the plants re- 

 sembled the female parent. 



One of the hybrids (9ba) proved interesting for its 

 resemblance in certain respects to (Enothera Lamarck- 

 iana. This plant was 1.3 m. high with a strong main 

 stem and the side branches, as in Lamarckiana, well dis- 

 tributed along the axis, in contrast to the origin of the 

 chief side branches from near the base of the plant which 

 is generally characteristic of both h'n-nni.< and grandiflora. 

 The flowers were intermediate in their measurements 

 between the biennis and grandiflora parents and so similar 

 to those of Lamarckiana as to be practically indistin- 

 guishable in the features that would enter into a taxo- 

 nomic description of the flowers of the latter. The dif- 

 ferences (such as a slightly greater length of the stigma 

 lobes) were probably no greater than would be found 

 among the flowers of any culture of Lamarckiana which 

 included a fair representation of the range of variation 

 presented by this form. 



The important differences between this hybrid plant 

 and Lamarckiana were concerned then with the foliage, 



