CAC= cactus-- Narrow ray florets that are revolute for the majority of their length
SC= Semi-cactus- ray florets are broader at the base & revolute for about 1/2 their length
LC= laciniated -those are the ones w/ the frilly split ends
FD= Formal Decorative= These are the nice smooth ones-w/ broad ray florets that go right back to the stem
ID= Informal Decorative- sim. to the FD but the ray
florets have a twist or wave to them
BA= ball types
Then we get into the others & the Min & all that stuff- you can look at the Colorado dahlia society site or the ADS site to get good picts & descriptions of all the dahlia types

Plantlady,thanks so much for the code names, just printed out the list. Thanks again! Pat