The elements of botany for beginners and for schools . ding order of development appears as Cfe»-tripetal.,^ That is, the flowering proceeds from the margin orcircumference regularly towards the centre; the lower flowersof the former answering to the outer ones of the latter. 209. In these three kinds of flower-clusters, the flowers art,raised on conspicuous pedicels (204) or stalks of their own. The,shortening of these pedicels, so as to render the flowers sessilt,or nearly so, converts a raceme into a Spike, and a corymb or anumbel into a Head. 210. A Spike is a flower-cluster with a more or
The elements of botany for beginners and for schools . ding order of development appears as Cfe»-tripetal.,^ That is, the flowering proceeds from the margin orcircumference regularly towards the centre; the lower flowersof the former answering to the outer ones of the latter. 209. In these three kinds of flower-clusters, the flowers art,raised on conspicuous pedicels (204) or stalks of their own. The,shortening of these pedicels, so as to render the flowers sessilt,or nearly so, converts a raceme into a Spike, and a corymb or anumbel into a Head. 210. A Spike is a flower-cluster with a more or less length-ened axis, along which the flowers are sessile or nearly so; as in 20* the Plantain (Fig. 204). 211. A Head {Cnpituluni) is a round or roundish cluster of flowers. Fig. 201. A raceme. 202. A corymb. 203. An 204. Spike of the common Plantain or Rjbwgrt, SECTION 8.] INFLORESCENCE. 75 which are sessile on a very short axis or receptacle, as in the Button-ball,Button-busb (Fig. 205), and Red Clover. It is just wliat a spike would.
Size: 1453px × 1719px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1887
