. Botany for young people and common schools. How plants grow, a simple introduction to structural botany. With a popular flora, or an arrangement and description of common plants, both wild and cultivated. Botany. POPULAR FLORA. 201. 89. PITTE FAMILY. Order The only familiar family of Gymnospermous plants (218, 250), consisting of trees or shrubs, with resinous juice, mostly awl-shaped or needle-shaped leaves, and monoecious or dioecious flowers of a A-ery simple sort, and collected in catkins, except in Yew. In that the fertile flower is single at the end of the branch. No calyx no
. Botany for young people and common schools. How plants grow, a simple introduction to structural botany. With a popular flora, or an arrangement and description of common plants, both wild and cultivated. Botany. POPULAR FLORA. 201. 89. PITTE FAMILY. Order The only familiar family of Gymnospermous plants (218, 250), consisting of trees or shrubs, with resinous juice, mostly awl-shaped or needle-shaped leaves, and monoecious or dioecious flowers of a A-ery simple sort, and collected in catkins, except in Yew. In that the fertile flower is single at the end of the branch. No calyx nor corolla, and no proper Ovules and seeds naked. Sterile flowers of a few stamens or anthers, fixed to a scale. Cotyledons often more than one pair, some- times as many as 9 or 12, in a whorl. — For illustrations, see Fig. 49, 50, 134, 196, 197, 224 to 226, and 498, 499. —This family comprises some of our most important timber-trees, and the principal evergreen forest-trees of Northern climates. It 498. Feni'e flowers, or young cone, - , ^^ T 1 1 r •^' °f Arbor Vitae, entarjed. 499. Inside consists 01 three well-marked subiamilies : — view of one of the scales n„i\ us pair of naked ovnies, nmre magnified. I. PINE Subfamily. Fertile flowers many in a catkin, which in fruit becomes a strobile or cone (); tlie scales of which are open pistils (each in the axil of a bract), with a pair of ovules or seeds borne on the base of each. Seeds scaling off with a wing. Cones ovate or oblong. Leaf-buds scaly. Flowers monoecious. Leaves 2 to 5 in a cluster, from the axil of a thin scale, evergreen, needle-shaped. Cone with thick or sometimes thin scales, (Pinus) Pine. Leaves many in a cluster (Fig. 134) on side spurs, and also scattered along the shoots of the season, needle-shaped, falling in autumn. Cone with thin scales, {Larix) Larch. Leaves all scattered along the shoots, evergreen, linear or needle-shaped. Cone with thin scales, (Abies) FiK. IL CYPRESS Subfamil
Size: 1398px × 1788px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookidbotanyforyoungpe00graybookyear1867, c1858bookdecade1860bo
