Students' handbook to accompany Plants and their uses . ed nearly north and south,so that they secure good il-lumination during the coolermorning and evening hours1 mt present the leaves nearlyedgeways to the sun at other plants maintainsome or all of their leaves in anearly vertical position, butwith the edges not directednorth and south. In the olive ia creeper (Psedem), a many leaves point almost ver-Undril climliiT k , , ., . , tically upward, while in the The tendrils are modified shoots. At a they . f are seen fast,n,,l .„ a twig and at I. adher- Commonest SpCClCS ofinj,r stron
Students' handbook to accompany Plants and their uses . ed nearly north and south,so that they secure good il-lumination during the coolermorning and evening hours1 mt present the leaves nearlyedgeways to the sun at other plants maintainsome or all of their leaves in anearly vertical position, butwith the edges not directednorth and south. In the olive ia creeper (Psedem), a many leaves point almost ver-Undril climliiT k , , ., . , tically upward, while in the The tendrils are modified shoots. At a they . f are seen fast,n,,l .„ a twig and at I. adher- Commonest SpCClCS ofinj,r strongly by means of their expanded, JyjrfHS (fig. GO) the disk-like tips to the surface of a wall , . ,, -i i hang vertically downward. In a great number of trees the young leaves from recentlyopened buds stand erect or hang straight down. In onetropical species 1 the illumination received by these youngdrooping leaves is not more than one five hundredth as intenseas that received by the most exposed of the mature Amherstia nobilis, from FIG. r,<.». THE STEM AND THE LEAF 77
Size: 1232px × 2029px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollection, bookdecade191, booksubjectbotany
