Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . aracters of Primulacea?, except the drupaceous fruit and arbo-rescent habit. — Nearly all tropical (Ardisia, Myrsine). 863. Ord. PrimulaceSB {Primrose Family). Herbs, with opposite,whorled, or alternate leaves, often with naked scapes and the leavescrowded at the base. Flowers regular. Stamens inserted on thetube of the corolla, as many as its lobes and opposite them ! Ovaryfree, with one partial exception, one-celled w
Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . aracters of Primulacea?, except the drupaceous fruit and arbo-rescent habit. — Nearly all tropical (Ardisia, Myrsine). 863. Ord. PrimulaceSB {Primrose Family). Herbs, with opposite,whorled, or alternate leaves, often with naked scapes and the leavescrowded at the base. Flowers regular. Stamens inserted on thetube of the corolla, as many as its lobes and opposite them ! Ovaryfree, with one partial exception, one-celled with a free central pla-centa! Ovules mostly indefinite and amphitropous. Style andstigma single. Fruit capsular: the fleshy central placenta attachedto the base of the cell. Seeds albuminous. Embryo transverse. —Ex. Primula (Primrose), Cyclamen, Anagallis. In Samolus, thecalyx coheres with the base of the ovary, and there is a row ofsterile filaments occupying the normal position of the first set of 444 ILLUSTRATIONS OF THE NATURAL ORDERS. stamens, namely, alternate with the lohes of the corolla. Severalare ornamental in cultivation, such as Primroses and 864. Ortl. PlantaginaceEB {Plantain Family). Chiefly low herbs,with small spiked flowers on scapes, and ribbed radical leaves. —Calyx four-cleft, persistent. Corolla tubular or urn-shaped, scariousand persistent; the limb four-cleft. Stamens four, rarely two, in-serted on the tube of the corolla alternate with its segments ; the per-sistent filaments long and flaccid. Ovary two-celled: style membranaceous, circumcissile; the cells one- to several-seeded. Embryo large, straight, hi fleshy albumen. — Ex. Plantago,the Plantain, or Ribgrass, is the principal genus of the order. Of noimportant economical qualities. 865. Old. Plumbagiliacese {Leadioort Family). Perennial herbs, FIG. 939. Primula Mistassinica. 940. The corolla removed; its tube laid open. 941. Thecalyx divided vertically, showing th
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Keywords: ., bookauthorgra, bookcentury1800, bookdecade1860, booksubjectbotany
