MISSOURI BOTANICAL GARDEN BULLETIN 39 
loosely built so spiral arrangements of florets is not imme- 
diately evident; fioral rays broad, heavy, cupped or quilled, 
with rounded tips and involute margins. 
(c) Pompon type: Shape and color may be same as @ or 
b; but must be under two inches in diameter. 
Prony-F LOWERED, or ‘‘ Arr’? Dantias—Semi-double flowers 
with open center, the inner floral rays being usually curled or 
twisted, the other or outer petals being either flat or more 
or less irregular. 
DupLex Danuras—Semi-double flowers, with center almost 
exposed on opening of bud, with petals in more than one row, 
more than 12, long and flat, or broad and rounded, not notice- 
ably twisted or curled. Many so-called peony-flowered dahlias 
belong here. 
SINGLE Daniias—Open-centered dahlias, small to very 
large, with 8 or 12 floral rays, more or less in one circle, mar- 
gins often decurved (turned down or back). There are no 
distinctions as to colors. The type embraces the large Twen- 
tieth Century, as well as small English varieties. 
CoLLarETrE Danuias—Single type: Open-centered blos- 
soms with not more than nine floral rays, with one or more 
smaller rays, usually of a different color, from heart of each 
ray floret, making a collar about the dise. 
Final premium schedules with instructions as to staging 
may be obtained in August by addressing the Director, Mis- 
souri Botanical Garden, St. Louis, Mo. 
DAHLIAS FROM SEED 
Not every one is aware of the fact that dahlias may be raised 
in one season from seeds as readily as from tubers, and more- 
over the seeds have the advantage of being less expensive. 
Definite named varieties cannot be expected from seeds as the 
plants are variable, but when flowers of various forms and 
sizes are permitted in the garden the results are very satis- 
factory. It might be well to mention, however, that the best 
plants can be expected from selected seeds of double varieties 
which most seed firms feature. The cost of such a packet is 
slightly greater than that of a mixed lot of seeds, but dahlias 
raised from seeds from double-flowered plants will produce a 
greater percentage of double flowers. Of course, some single 
