The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 281
... plants of commercial value are henequen , Mauritius hemp , and New Zealand flax or hemp ( Phormium tenax ) . Plants yielding leaf fibres are usually perennials propa- gated by root cuttings or rhizomes ( horizontal sub- terraneous plant ...
... plants of commercial value are henequen , Mauritius hemp , and New Zealand flax or hemp ( Phormium tenax ) . Plants yielding leaf fibres are usually perennials propa- gated by root cuttings or rhizomes ( horizontal sub- terraneous plant ...
Page 904
... plants . Herbaceous plants , which die down annually and have no woody stem above ground , are readily divided into three cate- gories , as mentioned earlier : ( 1 ) Annuals , plants that complete their life cycle in one year , are ...
... plants . Herbaceous plants , which die down annually and have no woody stem above ground , are readily divided into three cate- gories , as mentioned earlier : ( 1 ) Annuals , plants that complete their life cycle in one year , are ...
Page 907
... plants in the temperate zones is the winter resting season , which clearly differentiates them from tropical plants , which tend to grow continuously . Thus bulbs , annuals , herbaceous perennials , and the de- ciduous habit in trees ...
... plants in the temperate zones is the winter resting season , which clearly differentiates them from tropical plants , which tend to grow continuously . Thus bulbs , annuals , herbaceous perennials , and the de- ciduous habit in trees ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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acid activity amount animals appears become blood body called carried cause cells century changes chemical close common complete consists containing continuous countries depends direction early effect evidence evolution example existence farm federal ferns fibres field Figure fire function gametophyte give groups important increase interest Italy kidney known later leaves less light lines living major marriage material means ment method move movements muscle natural normal obtained occur organs origin percent period person plants position possible present pressure problems produced properties protection reduced remain renal response result retina selection similar social species structure supply surface temperature tend tion types United urine usually various vary