Plants and their ways in South Africa . otyledons. Order Typhace^. This order which contains the single genus Typha (Catstail Bulrush) is placed, in the Engler system, among the mostprimitive of the Monocotyledons. The erect stem arises froma thick rhizome and bears a dense velvety inflorescence ofpistillate flowers with staminate flowers above. Each floweris surrounded with a number of hairs. Stamens 2-5 ; carpelswith one pendulous ovule. Fruit an achene covered withhairs which aid in its distribution. The flowers are wind pol-linated. The incomplete and imperfect flowers, the single genus an
Plants and their ways in South Africa . otyledons. Order Typhace^. This order which contains the single genus Typha (Catstail Bulrush) is placed, in the Engler system, among the mostprimitive of the Monocotyledons. The erect stem arises froma thick rhizome and bears a dense velvety inflorescence ofpistillate flowers with staminate flowers above. Each floweris surrounded with a number of hairs. Stamens 2-5 ; carpelswith one pendulous ovule. Fruit an achene covered withhairs which aid in its distribution. The flowers are wind pol-linated. The incomplete and imperfect flowers, the single genus andthe few species (12) attest to the ancient lineage of this is found in fossil form in Tertiary times. Fossils of di-cotyledons are, however, found before this. Order Cyperace/e, the Sedges or Nut Grass Family. This family consists of tufted wiry grass-like plants withcreeping grass-like sympodial rhizomes. Stem 3-angled and 16* 244 Plants and their Ways in South Africa solid. Leaves all 3-ranked with an entire sheath. Flowers.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915
