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som that is not prolonged in vigour by being shaded 

 from the sun at noon. Impregnation is thus better 

 secured. Nor should shading be attended to merely 

 with regard to the blooming plants. Every plant 

 transpires at a rate great in proportion to the elevation 

 of the temperature and brightness of the light to 

 which it is exposed ; the greater the transpiration the 

 more abundant is the absorption of moisture ; and the 

 moment the roots fail in affording a supply equivalent 

 for the transpiration, the leaves flag, or become ex- 

 hausted of moisture, and if this be repeated often, 

 they decay altogether. Shades properly managed, 

 prevent this injurious exhaustion. 



It is but fair to state that Mr. Barnes dissents from 

 the recommendation of shading the pine apple even 

 whilst in bloom. He says, shading pine plants, 

 although necessary under former systems of culture, 

 in my opinion, is now loss of time, and injurious to 

 the plants rather than beneficial. Maintain a kindly 

 humidity, correspondent with the admission of air, 

 and then no shading will be required to a pine plant 

 after it has made roots. Shading, then, when in 

 bloom is entirely opposite to my own ideas. Above 

 all other times, I delight in seeing plenty of sun light 

 upon a pine when it is in blossom. This will not only 

 induce it to open its blossom vigorously, but to attain 

 a dark beautiful blue borage colour; fructification will 

 be vigorous, and there need not be the least fear of 



