. South African botany. Botany. THE LEAF 63 developed structure enclosing the stem in a kind of sheath. This is especially noticeable in grasses. In some cases theieaf base swells out into a cushion called the PuLViNUS which acts as a sensitive organ enabhng the leaf to react to external stimuH. This is the case for example with many of the PiQ. 39. Branch of a young plant of Acacia ntelanoxylon, showing Phyllodes, a, b. (Prom " Thome's Botany ",) In many plants the leaf base bears a pair of out- growths called Stipules. These may be small and brown, their chief functio
. South African botany. Botany. THE LEAF 63 developed structure enclosing the stem in a kind of sheath. This is especially noticeable in grasses. In some cases theieaf base swells out into a cushion called the PuLViNUS which acts as a sensitive organ enabhng the leaf to react to external stimuH. This is the case for example with many of the PiQ. 39. Branch of a young plant of Acacia ntelanoxylon, showing Phyllodes, a, b. (Prom " Thome's Botany ",) In many plants the leaf base bears a pair of out- growths called Stipules. These may be small and brown, their chief function being to protect the leaf when in the bud. In other cases they are much larger, and assist the leaf-blade in its functions. If they are pre- sent the leaf is said to be StiptjIiATB, and if absent 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 Storey, Francis W; Wright, K. London, New York, Longmans, Green
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1922
