Plants and their ways in South Africa . qual length. Flowers with white, pink, or purple rays and yellow or purple discs. Herbs or shrubs with often small, rarely petioled leaves. A large genus. Diplopappus.—Flowers as in Aster, except the pappus of two rows, the outer of short, the inner of long bristles. Much branched shrubs or rigid simple herbs. Tribe IV. Senecionide^.—Style branches linear, flattenedat the top, bristly at the apex,or tipped with a bristly all tubular or with rayand disc flowers. A. Anthers without tails;pappus of large scales— Sphenogyne.—Heads radi-ate, but
Plants and their ways in South Africa . qual length. Flowers with white, pink, or purple rays and yellow or purple discs. Herbs or shrubs with often small, rarely petioled leaves. A large genus. Diplopappus.—Flowers as in Aster, except the pappus of two rows, the outer of short, the inner of long bristles. Much branched shrubs or rigid simple herbs. Tribe IV. Senecionide^.—Style branches linear, flattenedat the top, bristly at the apex,or tipped with a bristly all tubular or with rayand disc flowers. A. Anthers without tails;pappus of large scales— Sphenogyne.—Heads radi-ate, but the disc flowers bearthe fruit. The receptacle bear-ing papery scales (paleae) amongthe flowers. Involucre of over-lapping scales, the inner largerwith papery tips. Achenessurrounded at base with longsilky hairs. Pappus of five broadscales, spirally rolled before the flower opens ; much enlarged in fruit and milk-white. Herbs or shrubs with simple or compound leaves, strongly yellow, often copper-colour Fig. 349.—Sphenogyne anthem-aides, R. Br. Achene withscaly pappus. (From Edmondsand Marloths ElementaryBotany for South Africa .) Classification of Plants 369 Ursinia differs from Sphenogyne in having within thepappus scales an inner row of slender bristles.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915
