Plants and their ways in South Africa . nsvigia, the flowersof each genus being in dense umbels on short stout diflerences are so slight, and individuals of each genus arefound having characters of the other, that they may well begrouped under the same genus. Brunsvigia has a long ovary tapering down into the flowers are slightly protandrous, but as in Buphane thestigma is bent and can, if necessary, brush out the pollen fromits own or from neighbouring flowers. Cyrtanthus may be known by its long perianth tube andhollow scape. ^ Its bright red, red and white,white, or yel
Plants and their ways in South Africa . nsvigia, the flowersof each genus being in dense umbels on short stout diflerences are so slight, and individuals of each genus arefound having characters of the other, that they may well begrouped under the same genus. Brunsvigia has a long ovary tapering down into the flowers are slightly protandrous, but as in Buphane thestigma is bent and can, if necessary, brush out the pollen fromits own or from neighbouring flowers. Cyrtanthus may be known by its long perianth tube andhollow scape. ^ Its bright red, red and white,white, or yellow flowers are bornein many or few^ to i-floweredumbels. Seeds many ; ovarybursting irregularly. C. Sanguin-eus, Hook., has been crossed withVallota purpurea, Herb. Order Iridace^. Besides the characters givenin the key, the ovary of the Irideaeis 3-celled with many three stamens belong to the fig. 240.—Floral diagram,outer whorl, anthers extrorse. indecr. Fruit a 3-celled capsule splitting down the centre of each 266 Plants and their Ways in South Africa The Iridaceae are mostly perennial herbs with dry narrow a corm, rarely a rhizome or fibrous. Leaves usuallyin two ranks. The order Irideae differs from Amaryllidacese in the absenceof the inner circle of stamens, by the extrorse anthers, and inthe inflorescence. Sub-order I.—Mor^e^.—Flowers in corymbs ; fading quickly, appear-ing one after the other from one bract. Stamens opposite thestyle-branches and pressed closely against —Style-branches of large petal-like crests with a horizontal stigma on the under side at the base of each —Crests of style-branches small, spreading, shortly fringed around the —Crests of style small, petaloid, 2-lobed, deeply fringed around the —Style-branches long and slender, deeply forked. Sub-order II. Sisyrinchie^. — Flowers in corymbs, fading alternate with the style-br
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1915
