10 LIVRES EN ANGLAIS EN RAPPORT AVEC «COMPOSITOUS»
Découvrez l'usage de
compositous dans la sélection bibliographique suivante. Des livres en rapport avec
compositous et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Lessons with Plants: Suggestions for Seeing and Interpreting ...
some compositous flowers the florets are reduced to two or three, or even to one!
SUGGESTIONS. — Is the bud at the right in Fig. 171 a flower closed up, or one
which has not yet opened ? Are the stems of the dandelions which bloom first in ...
Liberty Hyde Bailey,
1902
2
Popular Educator: A Magazine of Education
The anthers are said to be syngeueslous (" in a ring"), because united In a tube
about the style, and this structure is the most characteristic feature of compositous
flowers, more designativeof them, in fact, than the involucrate head, for In some ...
3
Darwin's On the Origin of Species: A Modern Rendition
The difference between the inner and outer flowers of some Compositous and
Umbelliferous plants best illustrates the importance of correlation in modifying
structures independently of utility, and therefore of natural selection.7 The central
...
4
Plant-breeding: Being Five Lectures Upon the Amelioration of ...
The compositous flowers — like the asters, daisies, goldenrods, sunflowers,
dahlias, zinnias, chrysanthemums, and their kin — need to be considered in still
a different category. In these plants, the head, or so-called flower, is an
aggregation ...
Liberty Hyde Bailey,
1897
5
Botany: An Elementary Text for Schools
An Elementary Text for Schools Liberty Hyde Bailey. are perfect and have four
sepals. The common calla lily is a good example of this type of inflorescence. 281
. COMPOSITOUS FLOWERS.— The head (anthodium) or so-called "flower" of ...
Liberty Hyde Bailey,
1909
6
On the Origin of Species
I know of no case better adapted to show the importance of the laws of correlation
and variation, independently of utility, and therefore of natural selection, than that
of the difference between the outer and inner flowers in some Compositous ...
Such variety of form is possible only in compositous flowers, in which each floret
is a distinct element and capable of independent development. One cannot feel
the truth of these remarks until he has an opportunity to study a large collection of
...
Cornell University. Agricultural Experiment Station,
1897
8
On the Origin of Species by Means of Natural Selection
... with the abortion of parts of the flower. But, in some Compositous plants, the
seeds also differ 7in shape and sculpture ; and even the ovary 1 I itself, with its
accessory parts, differs, as has been de-' Gun. v.1 CORRELATION or esow'rn. 13;
9
On the Origin of Species:
Every one knows the difference in the rayand centralfloretsof, for instance, the
daisy, andthis difference isoften accompaniedwith the abortion of parts of
theflower. But, insome Compositous plants, the seeds also differin shape ...
10
Origin Of Species (6Th Ed.):
I know of nocase better adapted toshow theimportance ofthelaws of correlation
and variation, independently of utility andtherefore of natural selection,thanthat of
the difference between theouterand inner flowers in some compositous and ...