96 



BOTAXICAL GAZETTE 



FEBRUARY 



self-sterile. Xo. 2S was half as high as typical plants of the cul- 

 ture; the leaves were broader and white-margined; the buds were 

 smaller and closely viscid-puberulent with a hair type which does 

 not occur in the typical fonn; the branching differed in that there 



A 



B 



Fig. 7. — \,Oeiwlhcra pratincola mut, nummularia, Lexington C-2i; B, Oenothera 

 pratincola (typical), Lexington C-i6; the 2 plants are of the same age and were grown 

 under identical conditions; note particularly the difference in the branching. 



were numerous inflorescence-bearing tertiary branches. Xo. 57 

 (mut. nitida) was sKghtly taller than no. 28, almost simple, with 

 leaves narrower than in the t}-pical form, upwardly rolled parallel 

 to the mid-vein, ver\" E^hstening, nearlv twice as thick as in normal 



