148 WINDOW AND PARLOR GARDENING 
must not be allowed to lose the leaves. The ripened branches 
of the previous year will produce clusters of flowers in spring. 
The young shoots, after flowering, should be pruned back, and 
watering should be gradually increased as the young growth 
develops. These plants enjoy plenty of heat and sunshine. 
The best varieties are: A. Hendersonii, 
A. Schottii, and A. nerifolia. 
Aristolochia. Of these curious plants, 
the Dutchman’s Pipes or Birthworts, there 
are several small and elegant forms produc- 
ing large flowers of grotesque shape. The 
variety, elegans, is the best for common 
use. Other very interesting kinds are: A. 
grandiflora and A. ridicula. Soil of equal 
parts loam, leaf-mould, well-rotted manure, 
Thunbergia. 
and sand is very suitable. Propagated by 
cuttings. A warm and sunny position and plenty of water dur- 
ing the growing season are necessary. 
Asparagus plumosus and its variety, nanus, are, the first a 
fine climber, and the second a neat fern-like plant with feathery 
foliage. Both may be increased by division or seed. ‘The 
dwarf variety is very useful for table decoration. They will 
thrive in the same kind of soil as Aristolochia. 
Bignonia capensis is a handsome creeper with pinnate 
leaves and large trusses of orange-scarlet flowers early in spring. 
It can be kept low and bushy by means of pruning. Should 
be grown in a sunny position, in rich, fibrous soil, and re- 
quires plenty of water while growing. 
Bougainvillea glabra is a large-growing, woody plant, pro- 
ducing numerous flowers which are surrounded by purple 
bracts, making the plant very showy when in bloom. It is 
