-22- 
Plant 
Dictamnus albus 
purpureus 
fraxinella alba 
Dieffenbachia bausei 
imperalis 
leonl 
plcta 
Common name 
Gasplant Dittany 
Ruber Gasplant Dittany 
See D» albus. 
Bause Tuftroot 
Imperial Tuftroot 
Variable Tuftroot 
barraquiniana 
j enmanni - - - 
memoria cars! Cars Tuftroot 
Rudolph Roehrs 
superba 
splendens 
Dielytra spectabilis 
Digitalis sp, 
ambigua 
purpurea 
alba 
gloxiniae flora 
rosea 
Dittany 
Dogwood 
Doronieum caucasicum 
olusii 
pardaliancb.es 
Douglasfir 
Dracena 
dermensis warnecki 
Dracaena 
fragrans lindeni 
longi 
massangeana 
pennocki 
rothiana 
victoriae 
godseffiana kellerl 
goldieana 
gracilis 
terminalis 
Drac oec ephalum virginianum 
Dragonhead, False 
Drop tongue 
Dropwort 
Dutchmans-Breeches 
Dutchman spipe 
Dyckia sulphur e a 
Echinacea purpurea 
Echinops humilis 
ritro 
Edelweiss 
Eggplant 
Elephant sear 
Whitespot Tuftroot 
See Dicentra. 
Foxglove, Shirley 
Yellow Foxglove 
Common Foxglove 
Isabell 
White Common Foxglove 
Gloxinia Foxglove 
Rose Common Foxglove 
See Dictamnus. 
See Cornus. 
Caucasian Leopardbane 
Mme. Mason 
Downy Leopardbane 
See Pseudotsuga, 
See Cordyline . 
Linden Fragrant Dracaena 
Roth Fragrant Dracaena 
Victoria Dracaena 
Keller Dracaena 
Goldie Dracaena 
See Cordyline terminalis. 
See Physostegia virginlana. 
See Physostegia . 
See Schismatoglottis . 
See Filipendula . 
See Dicentra . 
See Aristolochia . 
Sulphur Dyckia 
Purple Echinacea 
Siberian Globethistle 
Small Globethistle 
See Leontopodium . 
See Solanum . 
See Colocasia. 
Number 
tested 
400 
900 
20 
5 
10 
26 
20 
10 
10 
20 
15 
15 
3,310 
250 
600 
300 
125 
1,100 
130 
375 
1,910 
100 
150 
10 
10 
15 
6 
5 
5 
20 
6 
20 
40 
50 
500 
1,100 
400 
