. Class-book of botany [microform] : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. 08 THE STEM, OK ASCENDING AXIS. into tho air. The witch-grass (Triticum lepens) is an example. Such plants are a sore evil to the garden. They can have no better cultiva- tion than to be torn and cut to pieces by the spade of the angry gar- dener, since they are thus multiplied as many times as there are fragments. ,. Fig. 61. Creeper of "Nimble Will," or
. Class-book of botany [microform] : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. 08 THE STEM, OK ASCENDING AXIS. into tho air. The witch-grass (Triticum lepens) is an example. Such plants are a sore evil to the garden. They can have no better cultiva- tion than to be torn and cut to pieces by the spade of the angry gar- dener, since they are thus multiplied as many times as there are fragments. ,. Fig. 61. Creeper of "Nimble Will," or «; a, Bud; W, Bases of culms. 182. Utility. Repent stems of this kind are not, however, without their aso They frequently abound in loose, sandy soil, whicli they servo to bind and secure against the inroads of the water and oven the sea itself Holland is said to owe ita very existence to the repent stems of such plants as the mat-grass (Arundo arenaria) Carex arenarius and Elymus arenarius, which overrun the artificial dykes upon its shores and by their innumerable roots and creepers apparently bind tiie loose sand into a hrm barrier against the washing of the waves. So the turf, chiefly com-posed or repent grass-stems, forms the only security of our own sandy or clayey hiUa agamst tho washing rains. 183. The uhizome or root-stock difforft from the creeper only in being shorter and thicker, having its internodes but partially developed. It IS a prostrate, fleshy, rooting stem, either wholly or partially subter- ranean, often scaly Avith the bases of undeveloped leaves, or marked with the scars of former leaves, and yearly producing new shoots and roots. Such is the fleshy, horizontal portion of the blood-root, sweet- fiag. water-lily, bramble (the latter hardly different from the creeper). 184. The growth ov the kiiizomb is instructive, marking its peculiar character Luch joint marks the growth of a year. la spring the terminal bud unfolds into M 62 a. Please note t
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, booksubjectpl
