. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. 172. Of the Centrifugal inflorescence, the following arethe principal varieties : the cyme, fascicle, and vertical, 83. 173. The Cyme (Fig. 84,) has the general appearance ofthe Corymb, but is remarkably distinguished by its centrifu-gal evolution, and by its branches being repeatedly 2 or 3forked, as in the Hydrangea, Viburnum. This mode of inflo-rescence is only found in plants with opposite leaves, and hdeveloped in the following manner: 58 THE FLOWER. The terminal flower, wh
. The botanical class-book, and flora of Pennsylvania, designed for seminaries of learning and private classes. 172. Of the Centrifugal inflorescence, the following arethe principal varieties : the cyme, fascicle, and vertical, 83. 173. The Cyme (Fig. 84,) has the general appearance ofthe Corymb, but is remarkably distinguished by its centrifu-gal evolution, and by its branches being repeatedly 2 or 3forked, as in the Hydrangea, Viburnum. This mode of inflo-rescence is only found in plants with opposite leaves, and hdeveloped in the following manner: 58 THE FLOWER. The terminal flower, which expands first, is borne upon apeduncle of two or more nodes; from these nodes, pairs ofBecondary opposite peduncles arise, each terminated by aflower, each of which, like the first, may a,gain have two ormore nodes, and terminated by a flower, 174. The Cyme as exemplified in the Arcnaria strict*(Fig. 84,) enables us to study this mode of inflorescence toadvantage. 175, The Fascicle (Fig. 85,) is a modification of theCyme, in which the flowers are crowded, and nearly sessile,as is seen in the Sweet William, and Wild Pink, (Dianthuaarmerius.) 85. 86,
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