A GARDEN FLORA 
63 
D. Caryophyllus. Carnation. Europe. 
D. deltoides. Maiden Pink. Europe, Britain. 
„ var. albus. 
DICENTRA. Bleeding Heart. Papaveraceee. 
D. spectabilis. China and Japan. 
DICKSONIA. Filices. 
D. antarctica. Australia. 
A group of Tree Ferns, grown in a little dell in a 
wood for some years. They can stand a consider- 
able amount of cold, if the stems and fronds are 
protected with straw in winter. 
|D. squarrosa. New Zealand. 
This is more tender than D. antarctica ; it is also 
a smaller fern. A group has been planted out for 
one winter near D. antarctica as an experiment, 
and though 20 degrees of frost were registered in 
the open the ferns have all survived. 
DICTAMNUS. Rutacese. 
D. albus. Fraxinella. Europe, etc. 
„ var. purpureus. Burning Bush. 
DIERAMA. Iridacese. 
*D. pulcherrimum. S. Africa. 
Syn. Sparaxis pulcherrima. 
These flower each year on the Succulent Rockery, 
and seem quite hardy, although they have been 
described as greenhouse plants. 
DIERVULA. Caprifoliaceae. 
D. florida. China. 
Syn. Weigela rosea. 
D. florida, var. variegata. 
D. hybrida. 
„ var. Abel Carrifcre. 
„ var. Conqu^rant. 
„ var. Conquete. 
„ var. Eva Rathke. 
„ var. Fleur de Mai. 
