318 MANUAL OF GARDENING 
Bougainvillea, Bougainvillea glabra and B. spectabilis. 
The magenta-flowered variety, sometimes seen in conservatories in the 
North, is a popular outdoor vine in the South and is profusely used in south- 
ern California. The red-flowered form is less seen, but is preferable in color. 
Wire-vine (polygonum of florists), Muehlenbeckia complexa. 
Abundantly used on buildings and chimneys in southern California. 
Climbing roses. 
The roses do not twine nor possess any special climbing organs; 
‘therefore they must be provided with a trellis or woven-wire 
267. Climbing rose, Jules Margottin. 
fence. Some of the 
roses classed as climb- 
ing are such as only 
need good support, Fig. 
267. For culture of 
roses,seeChapterVIII. 
The most popular 
climbing or pillar rose 
at present is Crimson 
Rambler, but while it 
makes a great display 
of flowers, it is not 
the best climbing rose. 
Probably the best of 
the real climbing roses 
for this country, 
bloom, foliage, and 
habit all considered, 
are the derivatives of 
the native prairie rose, 
Rosa setigera (native 
as far north as On- 
tario and Wisconsin). 
Baltimore Belle and Queen of the Prairie belong to this class. 
