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which I observed, ten or fifteen versts distant, surrounded with green, orange, and crimson."[227] The microscope, too, will bring out beauties in flowers which the unassisted eye is incompetent fully to recognise. If we take a scarlet Geranium, or a purple Heartsease, the eye is delighted with the brilliancy of the colouring; but on placing a petal of either on a slip of glass, under a pretty high magnifying power, and reflecting the full rays of the sun through the object, the rich gorgeousness of the hue, the sparkling gem-like radiance of the surface, and the exquisitely-regular form of the round cells, with their clear interstices, form a spectacle of glorious beauty that almost surpasses the conception of one who has not seen it. I shall close this chapter, which might easily have been expanded into a volume, with a reference to an humble and minute plant, whose fairy loveliness, combined with an almost unkillable hardiness of constitution, has won for it a place in every garden, however unpretending, and however ungenial in its locality,--the London-pride. This exquisite little Saxifrage, general favourite as it is, requires the microscope to bring out its beauties to advantage, but under a good instrument you cannot fail to be charmed with it. I have one before me at this moment, and will describe what I see. First, I notice, on a cursory glance, that the whole plant is clothed with tiny hairs; I take one of the flower-stalks and examine these with a power of three hundred diameters. Each now becomes a stem of glass-like clearness, tapering upwards to a point, where it bears a richly crimson cup, and in this is seated a globule of colourless glass, just as an acorn sits in its shell. The multitude of these organs--glandular hairs, the botanist calls them--standing up side by side, rising to varying heights, and displaying various degrees of development, is a very pleasing sight. I turn to an unopened bud, putting on a lower power, and viewing it as an opaque object, with reflected light by the aid of the Lieberkuhn. Here are the parting sepals of the calyx, painted with rose-pink and pea-green, and studded all over with the knobbed hairs just noticed; the coloured surface is rough with granules, but it is the roughness of glass, for every knob gleams and sparkles with light. The corolla, a little white ball, displays its petals smoothly folded over each other, and their surface has the same appearance o
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