This variety of imbricate aestivation has been termed cochlear.
The edges of each of the parts may be turned either inwards or outwards; in the former case the aestivation is induplicate (fig.
The circular aestivation is generally associated with a regular calyx and corolla, while the spiral aestivations are connected with irregular as well as with regular forms.
Those forms of aestivationare such as occur in cyclic flowers, and they are included under circular aestivation.
Quincuncial, in a quincunx; when the parts in aestivation are five, two of them outside, two inside, and one half out and half in.
When they do not overlap, the aestivation is Valvate, when the pieces meet each other by their abrupt edges, without any infolding or overlapping; as the calyx of the Linden or Basswood (Fig.
The aestivation is best seen by making a slice across the flower-bud; and it may be expressed in diagrams, as in the accompanying figures.
In the first case the aestivation is Convolute, also named Contorted or Twisted, as in Fig.
The theory of the aestivation of the butterflies of this group will explain a good many points hitherto obscure in the life histories of the other species.
Fiske, one of our most painstaking entomologists who has studied the butterflies of New Hampshire for many years, that it is more probably double-brooded with a period of aestivation during the later weeks of summer.
Aestivation (summer sleep) is the similar condition in which other species pass periods of heat or drought in warm latitudes.
Similarity, moreover, between hibernation and aestivation is shown not only in their physiological accompaniments but also in the species of animals which become seasonally dormant.
Of the physiology of aestivation nothing definite appears to have been ascertained.
Overlapping, either vertically or spirally, where the lower piece covers the base of the next higher, or laterally, as in the aestivation of a calyx or corolla, where at least one piece must be wholly external and one internal.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "aestivation" in a variety of sentences. We hope that you will now be able to make sentences using this word.
