. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. Fig. 15. The curious history of awild cherry tree. overtopping them ; and the bladesof these leaves stand in a hor-izontal position. Fig. 14 is a« shoot from a topmost bough, where there isless struggle for light,and therefore shorterleaf-stalks and morevarious positions ofleaves. It may be said, then,that even the leaves on a treeattempt to arrange themselveswith reference to sunlight. 19. A black cherry tree twoyears old, taken from the woods,is shown in Fig. 15. Thefirst year it grew from
. Lessons with plants. Suggestions for seeing and interpreting some of the common forms of vegetation. Fig. 15. The curious history of awild cherry tree. overtopping them ; and the bladesof these leaves stand in a hor-izontal position. Fig. 14 is a« shoot from a topmost bough, where there isless struggle for light,and therefore shorterleaf-stalks and morevarious positions ofleaves. It may be said, then,that even the leaves on a treeattempt to arrange themselveswith reference to sunlight. 19. A black cherry tree twoyears old, taken from the woods,is shown in Fig. 15. Thefirst year it grew from theground to a, and it bore budsat regular intervals,—about twodozen of them. The secondyear, the terminal bud sent outa shoot to &, and thirteen lat-eral buds gave rise to these thirteen lateral branches,obviously only three stand anychance of living in the denseshade of the forest. In fact,four or five of the lowest STBUGGLE FOB EXISTJENCE IN A TREE TOP 19 twigs were dead when the pic-ture was made; showing thatthe struggle for existence doesnot always result from compe-tition
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Keywords: ., bookauthorbai, bookcentury1900, bookdecade1900, booksubjectbotany
