The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 882
... usually with ( 1 ) reticulate ( netted ) venation ( pinnate or palmate ) , ( 2 ) seldom sheathed at the base , ( 3 ) petiole usually well developed bracteoles ( when present ) usually 2 , lateral vascular bundles usually borne in a ring ...
... usually with ( 1 ) reticulate ( netted ) venation ( pinnate or palmate ) , ( 2 ) seldom sheathed at the base , ( 3 ) petiole usually well developed bracteoles ( when present ) usually 2 , lateral vascular bundles usually borne in a ring ...
Page 884
... usually bisexual . Gynoecium coenocarpous ( probably morphologically always paracarpous ) . Pollen grains 3- or 2- celled , tricolpate or of tricolpate - derived type . Small ovules with a single integument . Seeds with or without ...
... usually bisexual . Gynoecium coenocarpous ( probably morphologically always paracarpous ) . Pollen grains 3- or 2- celled , tricolpate or of tricolpate - derived type . Small ovules with a single integument . Seeds with or without ...
Page 1028
... usually water supplies from which chlorine and other additives have been removed , either by carbon filtration or by the addition of a chemical . Marine organisms can be maintained in either natural or artificial seawater ; the latter ...
... usually water supplies from which chlorine and other additives have been removed , either by carbon filtration or by the addition of a chemical . Marine organisms can be maintained in either natural or artificial seawater ; the latter ...
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