The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 135
... plants : its wood , for example , is without the specialized water - conducting cells ( vessel cells ) found in nearly all other flowering plants . In their place is a more primitive cell type , common in gym- nosperms ( coniferous plants ) ...
... plants : its wood , for example , is without the specialized water - conducting cells ( vessel cells ) found in nearly all other flowering plants . In their place is a more primitive cell type , common in gym- nosperms ( coniferous plants ) ...
Page 305
... plants that includes the artillery plant ( P. mi- crophylla ) , and pellitory ( Parietaria ) , a genus of wall plants , are grown as ornamentals . Baby tears ( Helxine soleiroli ) , a mosslike creeping plant with round leaves , often is ...
... plants that includes the artillery plant ( P. mi- crophylla ) , and pellitory ( Parietaria ) , a genus of wall plants , are grown as ornamentals . Baby tears ( Helxine soleiroli ) , a mosslike creeping plant with round leaves , often is ...
Page 364
... plants there is internal phlo- em as well , and the bundle is then called bicollateral . A third type , the concentric bun- dle , is amphivasal if the phloem is entirely sur- rounded by xylem , or amphicribral if the xylem is surrounded ...
... plants there is internal phlo- em as well , and the bundle is then called bicollateral . A third type , the concentric bun- dle , is amphivasal if the phloem is entirely sur- rounded by xylem , or amphicribral if the xylem is surrounded ...
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