. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. Fig. of orange. in the petiolule of the terminal leaflet. The leaf,then, is evidently pinnate; and if homology will aid in the inter-pretation, the pupilwill be interestedin examining theleaves of peas,ground-nut or apios,and other An orangeleaf is shown inFig. 97. There isa large blade, awinged petiole, a,Pio. 98. and a distinct joint The compound-leaved orange. Or articulation be-. DIS61/ISHS OF LEAVES 101

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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany