Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . ses the most important tim-ber-trees of cold countries, and also furnishes resinous products ofgreat importance, such as turpentine, resin, pitch, tar, Canada bal-sam, &c. The terebinthine Juniper-berries are the fruit of Juni-perus communis. The Larch yields Venetian turpentine. Thepowerful and rubefacient Oil of Savin is derived from J. Sabina ofEurope : for which our nearly allied J. Virginiana (Bed Cedar)may be subs
Introduction to structural and systematic botany, and vegetable physiology, : being a 5th and revedof the Botanical text-book, illustrated with over thirteen hundred woodcuts . ses the most important tim-ber-trees of cold countries, and also furnishes resinous products ofgreat importance, such as turpentine, resin, pitch, tar, Canada bal-sam, &c. The terebinthine Juniper-berries are the fruit of Juni-perus communis. The Larch yields Venetian turpentine. Thepowerful and rubefacient Oil of Savin is derived from J. Sabina ofEurope : for which our nearly allied J. Virginiana (Bed Cedar)may be substituted. The leaves of the Yew are narcotic and dele-terious. The bark of Larch, and especially of the Hemlock-Spruce,is used for tanning. EXOGENOUS OR DICOTYLEDONOUS PLANTS. 481 927. Ord. CycadaccCB {Cycas Family). Tropical plants, with anunbranched cylindrical trunk, increasing, like Palms, by a singleterminal bud; the leaves pinnate and their segments more or lessrolled up from the apex (circulate) in vernation, in the manner ofFerns. Flowers dioecious ; the staminate in a strobile or cone ; thepistillate also in strobiles, or else (in Cycas) occupying contracted. and partly metamorphosed leaves ; the naked ovules borne on itsmargins. — Ex. Cycas, Zamia. — A kind of Arroioroot is obtainedfrom these thickened stems, or caudexes, as from our dwarf Floridaspecies (the Coontie of the aborigines) ; and a coarse Sago fromthe trunk of Cycas. FIG. 1189. Zamia integrifolia (the Coontie of Florida). 1190. Section of the sterile One of its scales detached, bearing scattered anthers. 1192. Fertile anient, from whicha quarter-section is removed. 1193. A pistillate flower, consisting of two ovules pendent fromthe thickened summit of the carpellary scale. 1194. A drupaceous seed, from which a part ofthe pulpy outer portion, at the apex, is removed. 1195. Vertical section through the seed (ofthe natural size), showing the pulpy outer coat, the hard inner integument, the albu
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Keywords: ., bookauthorgra, bookcentury1800, bookdecade1860, booksubjectbotany
