Be 
CLIMATE. 160 CLIMBING PLAN "8. 
of the greenhouse, will be rooted The last mode is never wanting, 
by the spring, when tlicy may be | whichever of the former modes may 
planted in the open border. It is be adopted. ‘The moisture of the 
a plant that rarely flowers well in| atmosphere in plant-structures is 
a pot ; as it requires abundance of | maintained by watering the plants ; 
room for its roots, and grows rapid- | and by keeping the surface of the 
ly, with rather succulent shoots, re- | ground and floor more or less moist- 
quiring abundance of water during | ened with water, according to the 
the growing season, and very little | height of the temperature. The 
at any other time. When grown | motion of the air is effected by ven- 
in the open ground, the juicy na- | tilation, and opening the doors and 
ture of its roots renders it a favorite | windows of the plant-houses, so as 
food for snails ; and when kept in| to create a current through them, 
the conservatory or greenhouse, it ; whenever the weather will permit. - 
is very apt to be attacked by the| Ciiusinc PLanrsare those plants 
red spider. If these enemies be|that raise themselves from the 
kept away, and the plant be grown | ground by attaching themselves to 
in rich soil, composed of equai parts | whatever objects may be near them. 
of loam and thoroughly rotten ma- | One class of climbers attach them- 
nure, and well supplied with air, | selves by tendrils, such as the Vine, 
light, and water, with abundance} and the Passion-flower; others by 
of room for its roots, the rapidity of | the footstalks of leaves, as in the 
its growth, and the splendour of its | Nasturtium, and some species of 
flowers, will almost surpass belief;| Clematis; another class twine their 
but unless these points are attended | stems round objects, such as the 
to, the plant is scarcely worth grow- | Convolvulus; while seme attach 
ing. themselves by small root-like bodies, 
Cuimate is the grand regulator | such as the common Ivy, and tie 
of vegetable culture; and the gar-| Ampeldpsis, or Virginian Creeper ; 
den and landscape scenery of every | and others raise themselves by as- 
country depends far more on the | cending threugh other plants, such 
climate of that country than on its/as the common Nightshade in 
soil. In modern times the climates | hedges, or the plant called the Duke 
of all other countries are imitated | of Argyle’s Tea-tree, Ly'cium bar- 
by hothouses; a practice scarcely, | barum. The twiners may be sup- 
if at all, known to the ancients. In| ported by single rods; but all the 
imitating a climate, it is not only | othe:s, excepting those which sup- 
necessary to attend to temperature, | port themselves in the manner of 
but equally so to light, and, to a the Ivy, require branched stakes, 
certain extent, to the moisture of | such as the sticks put into rows of 
the atmosphere, and to the motion | peas; while plants of the nature 
of the air and its change. Heat is | of Ivy require a wall, a rock, or the 
communicated to plant-structures | rugged trunk of atree. In general, 
by the decomposition of fermenting ‘all climbing plants, when they are 
substances, and by the combustion | net furnished with the means of 
of fuel, operating by means of smoke | raising themselves up, extend their 
or heated air in flues, or by water) shoots along the surface of the 
circulated in pipes, either in a fluid | ground, when they become what 
state, or in an aeriform state, as | are called trailers, or they reot into 
steam; or by the heat of the sun | it like the Ivy, and become what 
passing through glass, and heated | are called creepers. Climbing plants 
air which is not allowed to escape. | are of singular use in gardening for 
