DIANTHUS DIDISCUS DOLICHOS EUTOCA. 179 



one and a half to two feet high. When grown in a rich, stiff 

 soil, the Eocket Larkspur must always be considered the 

 greatest summer ornament of the garden. The seed should be 

 sown in beds where it is to remain, as it does not succeed well 

 when transplanted. The plants should be thinned out so as to 

 stand six inches apart. 



DIANTHUS. 

 Dianthus Chinensis. Indian Pink. See Dianthus, page 111. 



DIDISCUS. 



Didiscus carulea. Sky-blue Didiscus. This is an ele- 

 gant annual. The plant is very much branched, producing its 

 fine blue flowers in numerous umbels, or hemispherical heads, 

 of the size and shape of a large quilled Aster. Two feet high ; 

 in July and August. Sow the seed in the open ground in 

 May. Plants forwarded in a frame will begin to flower in June. 



DOLICHOS. 



Dolickos labbab. Purple Hyacinth Bean. A fine, tender 

 annual climber, growing from eight to fifteen feet in a season. 

 Treatment very much like the common bean. Flowers in clus- 

 tered spikes. There is a variety with white flowers. 



EUTOCA. 



Eutoca viscida. Clammy Eutoca. The whole herbage is 

 of a dull green, copiously clothed with glandular viscid hairs. 

 The glands of a soot-black ; stem about one foot high. When 



