512 
ANNE M. LUTZ 
The second mutant duplicated the vegetative characters as well as 
the somatic chromosome number of the first ; therefore the type rep- 
resented by these two individuals will be known as O. aberrans. 
0. aberrans (text fig. 5) attained the height of 0. Lamarckiana, 
thereby exceeding the height of the female parent. It produced a 
Fig. 5. 0. aberrans, plant No. 3878, C. S. H., 1908. 14+i-chromosome mutant 
offspring of 0. lata X 0. Lamarckiana. 
number of long rosette branches which were somewhat more decumbent 
than those of Lamarckiana. The buds, which remained yellow through- 
out the entire season, were tapering and slender. A large number of 
flowers were produced daily, 86 having been counted on No. 4605 one 
