First Steps to Botany [...]Longman, 1826 - 391 страници |
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Страница 1
... body ; these branchlets are named radicles ( radicula ) , fibres , or rootlets , and are an- nually renewed ; the old ones become exhausted and die , and new radicles are necessary to support the life of the plant . In the vegetables of ...
... body ; these branchlets are named radicles ( radicula ) , fibres , or rootlets , and are an- nually renewed ; the old ones become exhausted and die , and new radicles are necessary to support the life of the plant . In the vegetables of ...
Страница 2
... body or caudex of the root . c , radicles , or true roots . Some botanists would call ( a ) a conical , and ( b ) a fusiform root , the former resembling a cone , and the latter more exactly the spindle formerly used with the distaff ...
... body or caudex of the root . c , radicles , or true roots . Some botanists would call ( a ) a conical , and ( b ) a fusiform root , the former resembling a cone , and the latter more exactly the spindle formerly used with the distaff ...
Страница 8
... body of the root , instead of running onward to a point , appears as if the greater part of it had been cut off . The part ( a ) , Fig . 2. , for example , instead of running , Fig . 2 . as we should à priori expect , to ( b ) ...
... body of the root , instead of running onward to a point , appears as if the greater part of it had been cut off . The part ( a ) , Fig . 2. , for example , instead of running , Fig . 2 . as we should à priori expect , to ( b ) ...
Страница 29
... body , but float in the water there are some which grow only upon other plants - and some are almost independent of a root . The Lemna , or duck - meat , which is found in almost every ditch , offers a ready example of the first . Its ...
... body , but float in the water there are some which grow only upon other plants - and some are almost independent of a root . The Lemna , or duck - meat , which is found in almost every ditch , offers a ready example of the first . Its ...
Страница 35
... body or thread , which climbs in a spiral direction from right to left round any neighbouring plant : as soon as this happens , the shoot produces , from its inner surface , a number of small warts , which adhere closely to the foster ...
... body or thread , which climbs in a spiral direction from right to left round any neighbouring plant : as soon as this happens , the shoot produces , from its inner surface , a number of small warts , which adhere closely to the foster ...
Често срещани думи и фрази
afford animals anther appearance beautiful blossoms botanist Botany branches buds bulb called calyx capsule CAULIS clothed colour common compound flower contains corolla covered culm cuticle different species Digynia earth example feet ferns filaments fleshy floating florets FOLIUM frond fructification fruit Fuci Fucus garden genera genus grasses green grow hairs hence herb insects instance INVOLUCRUM Jamaica juice kind latter leaf leaf-stalk leaflets leaves Legume Lichen lily Linnæus means Monogynia mosses named native nature nourishment observe palm peduncle perhaps perianth pericarp petals petiole pinnate pinnate leaf pistil plants pollen primrose produce RADIX receptacle remarkable resemble root round says scarcely sea-weeds seed-vessels seeds shrub silicle Sir J. E. Smith sometimes stalk stamens stem stipe succulent plants surface sweet tendrils term thick thorn Travels trees TRIANDRIA Trigynia trunk tube tubers umbel vegetables violet volva Voyage winds Withering wood
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