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The ground plants are the portulacas, turneras, and cenotheras,
bitter and ephemeral, on the bare rock, and almost independent of any
other moisture than the heavy dews. The pontederias, alismas, and
plantago, with grasses and sedges, derive protection from the deep and
brilliant pools; and though at first sight the 'monte' doubtless
impresses the traveller as a scene of the wildest confusion and ruin,
yet, on closer examination, we found it far more remarkable as a
manifestation of harmony and law, and a striking example of the
marvellous power which plants, like animals, possess, of adapting
themselves to the local peculiarities of their habitat, whether in the
fertile shades of the luxuriant 'monte' or on the arid, parched-up
plains of the treeless pampas."
A curious example of the struggle between plants has been communicated
to me by Mr. John Ennis, a resident in New Zealand. The English
water-cress grows so luxuriantly in that country as to completely choke
up the rivers, sometimes leading to disastrous floods, and necessitating
great outlay to keep the stream open.


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