. Foundations of botany. Fig. 35. — Tip of a Branch of Magnolia, illustrating Forking due toTerminal Flower-Buds. A, oldest flower-bud scar ; B, C, D, scars of successive seasons after A; i, leaf-buds; F, flower-buds. in height, but are ranked as shrubs because their woodystems do not die quite to the ground in winter. Herhs are plants whose stems above ground die everywinter. STEMS 71. 86. Annual, Biennial, and Perennial Plants. — Annualplants are those which live but one year, biennials thosewhich live two yearsor nearly so. Some annual plantsmay be made to liveover winter, flower-ing in the
. Foundations of botany. Fig. 35. — Tip of a Branch of Magnolia, illustrating Forking due toTerminal Flower-Buds. A, oldest flower-bud scar ; B, C, D, scars of successive seasons after A; i, leaf-buds; F, flower-buds. in height, but are ranked as shrubs because their woodystems do not die quite to the ground in winter. Herhs are plants whose stems above ground die everywinter. STEMS 71. 86. Annual, Biennial, and Perennial Plants. — Annualplants are those which live but one year, biennials thosewhich live two yearsor nearly so. Some annual plantsmay be made to liveover winter, flower-ing in their secondsummer. This is trueof winter wheat andrye among cultivatedplants. Perennial plants live for a series ofyears. Many kinds of trees last forcenturies. The Californian giant redwoods, or Sequoias(Fig. 32), which reach a height of over 300 feet underfavorable circumstances, live nearly 2000 years; and some Fig. 3G. —A Portion of the Branch of Fig. 35. (Natural size.)
Size: 1672px × 1494px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1901
