. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. 90 ZHSSOJVS WITS PLANTS entire leaf is said to be decompound (a term ap-plied to all leaves in which the leaflets are com-pound ; that is, to leaves which are more thanonce compound). 98. It is plain that there is no positive or. Pig. of squirrel-corn. definite number of ultimate divisions in thisdicentra leaf. (Let the pupil examine the bleed-ing-heart of the gardens, which is also a di-centra.) These ultimate parts are, therefore, notleaflets, but segments or divisions. Is the leaf-


. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. 90 ZHSSOJVS WITS PLANTS entire leaf is said to be decompound (a term ap-plied to all leaves in which the leaflets are com-pound ; that is, to leaves which are more thanonce compound). 98. It is plain that there is no positive or. Pig. of squirrel-corn. definite number of ultimate divisions in thisdicentra leaf. (Let the pupil examine the bleed-ing-heart of the gardens, which is also a di-centra.) These ultimate parts are, therefore, notleaflets, but segments or divisions. Is the leaf-let the portion extending from a to 6, or from THE COMPOUND LEAF 91 c to df It is the latter; that is, it is custom-ary, in speaking of decompound leaves, to usethe term leaflet for the last part which is clearlyand completely (and more or less uniformly)separated from its neighbors. 98a. The primary divisions in a palmately decompound leaf (asa b) are not given a distinct name in general botanical botanist would describe this dieentra leaf (Fig. 87) nearly as fol-lows : Leaf ternately decompound (or sometimes written ternatelycompound, if the degree of compounding is afterwards specified), themain sections bearing palmately — or even pinnately — divided leaflets,the segments again deeply cut or divided.


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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany