224 LUTHER BURBANK 



THE BRILLIANT MORNING-GLORY 



It is not difficult to account for the popularity 

 of the morning-glory. A vine that grows with 

 the greatest rapidity and that bears flowers of 

 striking and brilliant color in the greatest pro- 

 fusion, day after day, for weeks together, 

 covering our arbors or pergolas in a few 

 weeks' time, has merits that are not duplicated 

 exactly by those of any other flower under 

 cultivation. 



The morning-glory has not been very exten- 

 sively worked with, but it has shown a very 

 marked tendency to variation, and, as usual 

 with plants under cultivation, has broken up 

 into numerous varieties, showing in particular a 

 wide range of color variation. One of the most 

 remarkable of the varieties is the Japanese 

 morning-glory, some forms of which have 

 double flowers of very curious structure. The 

 single varieties of the Japanese type are of rela- 

 tively immense size and of the most wonderful 

 color. But they do not produce so abundantly 

 as the common morning-glory, do not climb as 

 well, and seem to lack the vigor of the more 

 ordinary form. 



My own experiments with the tribe have had 

 to do with the crossing of several related forms. 



