CHAPTER XIV 
Stove, or TropicaL House VINES 
The habits of tropical vines Their care in the greenhouse — Supports 
for stove house vines — The balloon trellis — The seven species of alla- 
manda — Aristolochia, or the birthwort family—How to grow the 
mountain rose in the North— Bougainvillea as a vine—A vine with 
associations — Cissus, clerodendron and cryptostegia — Two monstros- 
ities of the greenhouse. 
THE most magnificent vines, both for foliage 
and flowers, are tropical plants, and, if we wish 
to enjoy their beauties, they must needs be 
cultivated in a greenhouse. ‘These tropical plants 
in their native haunts have two distinct seasons, 
the rainy season and the dry season; or, speaking 
horticulturally, we would say the growing season 
and the resting season. In actual practice, 
this is found to be true, with but very few excep- 
tions. Generally, tropical plants require an 
abundance of heat, moisture, and available 
water for the roots during summer, with altered 
conditions in winter, when we lower the tem- 
perature, reduce the moisture till the air in the 
house is practically dry, and give just sufficient 
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