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Erect or often prostrate, the lower clusters at least of pistillate flowers more or less cymose and often in globose heads; bracts thinner, narrow and lax, shorter than the fruit.

S. spectabile, 1 to 1� ft., pink, in great cymose heads, is a fine plant for the borders, and worthy also of pot-culture for greenhouse decoration.

Flowers.—Blue or white; small, usually not more than two or three lines across; borne in showy thyrsoid or cymose clusters.

The flowers, which are generally arranged in a cymose inflorescence, are hermaphrodite, hypogynous, and, except in Pelargonium, regular.

The inflorescence is generally cymose, often dichasial, recalling that of Caryophyllaceae, the lateral branches often becoming monochasial; it is sometimes reduced to a few flowers or one only, as in some gentians.