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The sun-bird flashes from raceme to raceme, sampling a dozen blooms, while his noisy rival sips with the air of a connoisseur at one. There is a spell in the nectar of the flame-tree as irresistibly attractive to taste of birds as the colour is to the sight of man. Although the tree bursts into bloom with truly tropical ardour, they await the coming banquet with unaffected impatience.
One of the most curious instances is the terminal flower of the raceme of the common laburnum, which loses its whole papilionaceous character and becomes as regularly quinate as a common buttercup. Some families are more liable to pelorism than others. Obviously all the groups, the flowers of which are not symmetrical, are to be excluded.
Moreover they exhibit a feature which is indicative of the presence of an abnormality. They are not all of the same size, but decrease in length from the base of the raceme upward, and finally slowly disappear. Besides these rare cases there are quite a number of cruciferous species on record, which have been observed to bear bracts.
This forms a compound gland which, depending on the structure of the minute parts, may be either a compound tubular or a compound saccular gland. The larger of the compound saccular glands are also called racemose glands, on account of their having the general form of a cluster, or raceme, similar to that of a bunch of grapes. Gland cells. 2. Basement membrane. 3. Blood vessel. 4. Nerve.
The raceme, which appears about the sixth to the tenth month, will take sixty days more to ripen; good stocks produce three and more bunches a year, each weighing from twenty to eighty pounds. The stem, after fruiting, should be cut down, in order to let the others enjoy light and air, and the oftener the plants are removed to fresh ground the better.
Some striped racemes bear a few red flowers, which ordinarily are inserted on one side of the spike only. As they often cover a sharply defined section of the raceme, this circumstance has given rise to the term of sectional variability to cover such cases.
This raceme is a weak but exact repetition of the first, bearing symmetrical foxgloves all along and terminating in a peloric structure. On the branches these anomalies are more or less reduced, according to the strength of the branch, and conforming to the rule of periodicity, given in our lecture on the "five-leaved" clover.
The branches of the wild cherry are too straggling to make a beautiful tree, and the leaves are small and narrow. The blossoms of the cultivated cherry are in umbels, while those of the wild cherry are borne in racemes." "I remember that, Miss Harson," said Clara, pleased with her knowledge. "'Umbel' means 'like an umbrella, and 'raceme' means 'growing along a stem."
Of course Mangan chose this pleasanter way, though he had to moderate his pace now because of the briars; and right glad was he to notice the various symptoms of the new-born life of the world the pale anemones stirred by the warm, moist breeze, the delicate blossoms of the little wood-sorrel, the budded raceme of the wild hyacinth; while loud and clear a blackbird sang from a neighboring bough.
The humble-bee brushes off the pollen onto its hairy coat from the upper flowers of one raceme and carries it direct to the lowest flowers of another, where the viscid stigmas are open and ready to receive it.
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