. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. Fig. i. Adult plant towards end of autumn ; // = leaf of succeeding summer; .tA^us sheath ; /;. = second leaf; /:s = third leaf; r^dc-bris of dead leaves ; r=parent root. Fig. 2. Longitudinal section of a very young bud, /., //., ///., leaves; c = cortex ; „v/;=sheatb ; :i' = xylem ; //-—phloem. Fig. 3. Longitudinal section of an older bud, where the first leaf (I) is expanded ; sh, ski, J^n— sheaths of successive leaves. Fig. 4. Central cylinder of a \'ery young bud prepared by maceration ; r~ parent
. The origin of a land flora, a theory based upon the facts of alternation. Plant morphology. Fig. i. Adult plant towards end of autumn ; // = leaf of succeeding summer; .tA^us sheath ; /;. = second leaf; /:s = third leaf; r^dc-bris of dead leaves ; r=parent root. Fig. 2. Longitudinal section of a very young bud, /., //., ///., leaves; c = cortex ; „v/;=sheatb ; :i' = xylem ; //-—phloem. Fig. 3. Longitudinal section of an older bud, where the first leaf (I) is expanded ; sh, ski, J^n— sheaths of successive leaves. Fig. 4. Central cylinder of a \'ery young bud prepared by maceration ; r~ parent root; I,-i^~ traces of successive leaves ; ; = successive roots. Fig, 5. Central cylinder of an adult stem ; l\-li§ = the traces of successive leaves. Fig. 6. Enlarged apex of a root ; the first phase of appearance of a bud. Fig. 7. Bud slightly developed, where the first leaf has just pierced the sheath. Fig. S. A false Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bower, F. O. (Frederick Orpen), 1855-1948. London, Macmillan and Co. , Ltd.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondonmacmillanand
