Plants and their ways in South Africa . Fig. 220.—I. Staminate flower. II. Pistillate flower of Carex. (FromThom^and Bennetts Structural and Physiological Botany.) Carex.—Glumes overlapping, placed all around the flowers are usually imperfect. Order Graminace^e, the Grass Family. Stem cylindrical or compressed (not 3-angled), hollow (notin Indian corn or sugar cane), with solid nodes. Leaves 2-ranked, sheath split, ligule present. Flowers in the axils ofglumes; perianth of two minute lodicules; stamens 3 (some-times 6); anthers versatile. Fruit an achene (caryopsis). The number of gen


Plants and their ways in South Africa . Fig. 220.—I. Staminate flower. II. Pistillate flower of Carex. (FromThom^and Bennetts Structural and Physiological Botany.) Carex.—Glumes overlapping, placed all around the flowers are usually imperfect. Order Graminace^e, the Grass Family. Stem cylindrical or compressed (not 3-angled), hollow (notin Indian corn or sugar cane), with solid nodes. Leaves 2-ranked, sheath split, ligule present. Flowers in the axils ofglumes; perianth of two minute lodicules; stamens 3 (some-times 6); anthers versatile. Fruit an achene (caryopsis). The number of genera of this large order found in SouthAfrica is not great. In temperate regions grasses are low andspreading; in tropical countries the canes and bamboos formtall forests; while in dry regions grasses usually grow in tufts,which allow the bare ground to be seen between them. This order is one of the most important groups of it belong all the grains—wheat, rye, barley, oats, rice, and 246 Plants and their Ways in South A


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915