170 
earlier and freer-flowering varieties may be depended upon to 
furnish flowers for a period of about three months, beginning, 
The Lae of daffo nate eee Saaiae irises, thededehdrons, 
not at all to 
] the roots ee ground thro ugh winter, lifting them 
a 
at there are many varieties of bia now in cultiva- 
tion in the United aie is aes from the catalogues of the 
and i 
Francisco, New Haven, Trenton, and other centers of dahtia 
interest. Professor Norton of Maryland is compiling a card 
index to all the published names of dahlia varieties—an index 
which already has, I understand, more than 10,000 entries. Of 
these 10,000, past and present, more than 5,000 ee t va- 
rieties are now being grown in this country. ee of these are 
distinguished, it is true, only by careful compar iso et the fact 
dish 
period. The dahlias, as they grow wild in the mountains of Mexico, 
occur with single or rarely semi-double flowers, mostly in various 
