Botany of the Southern states . nate and indeter-minate arrangements. By determinate arrangement is meant that kind of inflores-cence which occurs when the primary axis of the plant is ter-minated by a flower (meaning by the primary axis the stemarising from the root). The most simple case of this kind is when the stem bears asingle flower, there being no secondary axes. 114. The following are the most common Fig- 107>forms of determinate inflorescence : Corymb is when the flower-bearing branch-es arise from different points of elevation onthe stem, but rise to the same height. () I


Botany of the Southern states . nate and indeter-minate arrangements. By determinate arrangement is meant that kind of inflores-cence which occurs when the primary axis of the plant is ter-minated by a flower (meaning by the primary axis the stemarising from the root). The most simple case of this kind is when the stem bears asingle flower, there being no secondary axes. 114. The following are the most common Fig- 107>forms of determinate inflorescence : Corymb is when the flower-bearing branch-es arise from different points of elevation onthe stem, but rise to the same height. () It is simple when each secondary axisbears a single flower, and compound whentheir axes are divided and each division bears n Corymb. a flower. Capitulum or Head is produced when the flowers stand 112. What is an inflorescence ? What is a peduncle ? Pedicel ? Whatis a scape? Rachis? What is a receptacle?—113. What is meant bydeterminate inflorsscence ?—114. What is a corymb? When simple!When compound 1 What i» % capitulum I. 70 INFLORESCENCE. upon an expanded receptacle on the summit of the stem.(Fig. 108.) Each little flower comprising a capitulum is called a florets are often very different in appearance, some consist- Fig. 108.


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Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectbotany