. Trees of Texas; an illustrated manual of the native and introduced trees of the state . Pinnately:Paimateiy: shaped, etc., which leads to the family Pinaeeae. Here thedecision is between leaves all needle-shaped and leaves scale-like and appressed to the stem, or some of them awl-shaped,spreading. If the leaves are needle-shaped and borne in clus-ters of two to five, the species goes to the genus Pinus. It is believed that practice in the use of the key will soonenable one to locate the family, genus, and species with almostcertain accuracy. It must be borne in mind that accuracy ofobservati
. Trees of Texas; an illustrated manual of the native and introduced trees of the state . Pinnately:Paimateiy: shaped, etc., which leads to the family Pinaeeae. Here thedecision is between leaves all needle-shaped and leaves scale-like and appressed to the stem, or some of them awl-shaped,spreading. If the leaves are needle-shaped and borne in clus-ters of two to five, the species goes to the genus Pinus. It is believed that practice in the use of the key will soonenable one to locate the family, genus, and species with almostcertain accuracy. It must be borne in mind that accuracy ofobservation is necessarv to its successful use. The Trees of Texas v. Compound Iieaves. 2;^. 1. Odd-pinnate. 2. Tendril-pinnate. 3. Even-pinnate.
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Keywords: ., bookcentury1900, bookdecade1910, bookidtreestx00lew, bookyear1915
