96 BOTANICAL GAZETTE [FEBRUARY 
self-sterile. No. 28 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 form; the branching differed in that there 
A B 
—A, Oenothera pratine ola mut. xwmmularia, Lexington C-21; B, Oenothera 
ical (ty pical), Lexington C-16; the 2 plants are of the same age God were grown 
under identical conditions; note particularly the difference in the branching. 
were numerous inflorescence-bearing tertiary branches. No. 57 
(mut. nitida) was slightly taller than no. 28, almost simple, with 
leaves narrower than in the typical form, upwardly rolled parallel 
to the mid-vein, very glistening, nearly twice as thick as in normal 
