. The Pharmaceutical era. Androdifxcious, wbcn the si^ecies bears staminate andbisexual fiowers on separate plants. Oynomonacious, wlien the lx>ars pistillate andbisexual flowers on the same plant. Andromonixrlous, when the species bears staniinateand bisexual flowers on the same plant. Torus or Receptacle.—It the elements of a flower arenothing more than modified leaves it is apparent thatthere must be an internode between each two is not so easily made out by the naked eye, butbecomes almost as marked on cutting a section throughsome flowers as it was seen in the secti
. The Pharmaceutical era. Androdifxcious, wbcn the si^ecies bears staminate andbisexual fiowers on separate plants. Oynomonacious, wlien the lx>ars pistillate andbisexual flowers on the same plant. Andromonixrlous, when the species bears staniinateand bisexual flowers on the same plant. Torus or Receptacle.—It the elements of a flower arenothing more than modified leaves it is apparent thatthere must be an internode between each two is not so easily made out by the naked eye, butbecomes almost as marked on cutting a section throughsome flowers as it was seen in the section of the bud ofblack oak (Pig. 21). that it was composed of successive. phytomers. Now, this portion of the stem in which theinternodes are so reduced and from which the elementsof the flower arise is called the Torvs or Receptacle. Jnnohtcre. —Now, just as we find flowers consisting ofone or more elements borne upon a receptacle, so naturemay go a step further and have a great many flowersarising from a single receptacle. Such a collection offlowers is spoken of as a Compound Flower, as in theN. O. Compositae, to which belong Matricaria, Anthemis, Fig. 79.—Diagram of a transverse zygomorphous flower ofCorydalis. The letters have the same significance as InFig. 76: one of the petals (sp) Is spurred. The stamonsare In two sets of three each. Fig. 80.—Longitudinal section through a head of Arnica.(I) Involucre; (re) receptacle; (r) ray flowers; (t) tubularflowers. Arnica (Pig. 80), Sunflower, Dandelion, etc. In all ofthese illustrations cited we have a large receptacle sub-tended by a number of scale-lilce leaves or bracts—calledin the case of Compo
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Keywords: ., bookcentury1800, booksubjectdrugs, booksubjectpharmacy, bookyear1
