Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . herent with andcrowning the one-celled ova-ry, or covering its whole sur-face ; the inner usually con-founded with the indefinitepetals. Stamens indefinite,with long filaments, coheringwith the base of the united: stigmas and parietal placenta? several. Fruit aberry. Seeds numerous, with a curved or fleshy and rounded em-bryo, and little or no albumen. — All American, the greater partMexican or on the bord
Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . herent with andcrowning the one-celled ova-ry, or covering its whole sur-face ; the inner usually con-founded with the indefinitepetals. Stamens indefinite,with long filaments, coheringwith the base of the united: stigmas and parietal placenta? several. Fruit aberry. Seeds numerous, with a curved or fleshy and rounded em-bryo, and little or no albumen. — All American, the greater partMexican or on the borders of Mexico. The common Opuntia(Prickly Pear) extends north to New England: its mucilaginousfruit is eatable. So is the sweet red pulp of the huge Cereus gigan-teus of Sonora and South California, which forms a singular tree,forty or fifty feet high. Cereus grandiflorus is the magnificentNight-blooming Cereus. 825. Old. LoasaceSE. Herbs usually clothed with rigid or stinginghairs; leaves opposite or alternate, without stipules; the flowersshowy. Calyx-tube adherent to the one-celled ovary; the limb FIG. 838. Flower of Mamillaria caespitosa, of the Upper Missouri- 36. 422 ILLUSTRATIONS OF THE NATURAL ORDERS. five-parted. Petals as many, or twice as many, as the lobesof the calyx. Stamens perigynous, indefinite, and in several parcels,or sometimes definite. Style single. Ovary with three to fiveparietal placentas. Seeds few or numerous, albuminous. — Ex. Lo-asa, Mentzelia, Cevallia; the latter with solitary seeds and no albu-men. All American, and in the United States nearly confined tothe regions beyond the Mississippi. The bristles of Loasa stinglike nettles. 826. Old. Tumeracese. Herbs, with the habit of Cistus or Heli-anthemum; the alternate leaves without stipules. Flowers solitary,showy. Calyx five-lobed ; the five petals and five stamens insertedon its throat. Ovary free from the calyx, one-celled, with threeparietal placenta?. Styles distinct, commonly branc
Size: 1542px × 1620px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorgra, bookcentury1800, bookdecade1860, booksubjectbotany
