. The first book of botany : designed to cultivate the observing powers of children. Twice Pinnate. Twice Pinnate.—When the petiolule is continuedas a rachis which bears the leaflets. 54 THE FIEST BOOK OF Thrice Pinnate. Theice Pinnate.—When the leaflets are borneupon a third rachis, branching off from the second. EXERCISE XYIII. Varieties of Digitate Leaves* Theee - FiNGEEEp.—A digitate leaf with threeleaflets. COMPOUND LEAVES. 55 Fig. 104. Fm. 105.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1870