Genetical Studies on Oenothera. V. 



179 



irregularly toothed and relatively not so 

 long or so broad (Figs. 12 and 14). 



Color generally grass-green, but vari- 

 able, darker over older portions of the 

 plants. 



in being obscurely toothed and relatively 

 somewhat longer and broader (Figs. 13, 15). 

 Color generally blue-green, but vari- 

 able, lighter over younger portions of 

 the plants. 



Fig. 'J. liitlnrescciK e of inuricitn. Showing brafts projecting beyond the younger 



buds and relatively longer than those of biennis; small flowers. At the right is 



a leaf from near the base of the main stem, its margin irregularly toothed. 



Contrast wtth Fig. 8, biennis. 



Inflorescence. Bracts V5— V4 leugth of Inflorescence. Bracts '/s— '/s length of 



mature buds, resembling muricala (Fig. mature buds, resembling biennis (Fig. 16, 



16, m X b\ in form variable showing b X in), in form variable showing evi- 



evidence of a blend. dence of a blend. 



