Sentence Examples


  • I3.Typical siphonostele of dicotyledn.
  • To this type of steIn having a ground-tissue pith, whether with or without internal phloem, is given the name siphonostele to distinguish it from the solid haplostele characteristic of the root, the first-formed portion of the stem, and in the more primitive Pteridophytes, of the whole of the axis.
  • The type of siphonostele characteristic of many ferns, in which are found internal phloem, and an internal endodermis separating the vascular conjunctive from the pith is known as a solenostele.
  • Among the Cycadofilices a series of stages is found leading from the primitive fern-protostele to the type of siphonostele characteristic of the Cycads which agrees in essentials in all the Spermophytes.
  • 7~tf) also arise in the external coniunctive Most of the collateral bundles of this spermophytic type of siphonostele are leaf-trace bundles, i.e.

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