. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. age of ordinary tomatoes. 137. The pupil_ has already been directed () to a study of the leaves of accompanying illustrations (Figs. 123-126) will l^ABIATION IN LEAVES 127 aid him. Notice the small and curled involutefoliage in Fig. 123, which may be found in someof the old-fashioned cornered or rough tomatoeslike General Grant and Tom Thumb; the largeand plane foliage of Fig. 124, which is that ofthe commonest va-rieties ; the verylarge foliage, withfewer and nearly en-
. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. age of ordinary tomatoes. 137. The pupil_ has already been directed () to a study of the leaves of accompanying illustrations (Figs. 123-126) will l^ABIATION IN LEAVES 127 aid him. Notice the small and curled involutefoliage in Fig. 123, which may be found in someof the old-fashioned cornered or rough tomatoeslike General Grant and Tom Thumb; the largeand plane foliage of Fig. 124, which is that ofthe commonest va-rieties ; the verylarge foliage, withfewer and nearly en-tire leaflets, of theMikado and Potato-leaf varieties (; also, shownin Fig. 90); andthe short, stiff andcurly foliage of theFrench Upright to-mato (Fig. 126).These types of foli-age are characteris-tic of certain typesor varieties of to-matoes, just as theforms of leaves are characteristic of the appletree and the pear tree; but, as a matter of history,all these varieties are known to have come fromone type of tomato within a hundred years. Thuswe have another proof that the forms and sizes. Fig. of Mikado tomato. 128 ZJSSSOlfS WITH PLANTS of leaves are not necessarily fixed or invariable.(See Obs. Mi.) 138. The leaves of various chrysanthemum-like
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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany
