Botanical Gazette, Volumen44John Merle Coulter, M.S. Coulter, Charles Reid Barnes, Joseph Charles Arthur University of Chicago Press, 1907 Publishes research in all areas of the plant sciences. |
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Página 27
... bundles . The section shown in fig . 10 is from the tuberous root of the young shoot shown in fig . 2 , upon which a small bud is visible . The root is in its second year and shows the enormous increase in propor- tion to the very ...
... bundles . The section shown in fig . 10 is from the tuberous root of the young shoot shown in fig . 2 , upon which a small bud is visible . The root is in its second year and shows the enormous increase in propor- tion to the very ...
Página 32
... bundles of stem and leaf ; the absence of specialized subsidiary cells around the stomata ; the absence of mechanical tissues ( stereome and collen- chyma ) ; the occurrence of two types of glandular hairs ; the bifacial structure of ...
... bundles of stem and leaf ; the absence of specialized subsidiary cells around the stomata ; the absence of mechanical tissues ( stereome and collen- chyma ) ; the occurrence of two types of glandular hairs ; the bifacial structure of ...
Página 47
... bundle of very fine fibers , the fibers are heavy and coarsely beaded . All the spindles arranged as in fig . 18 have their apices truncated . Fig . 19 shows one spindle in the linear position , the other not ; in this type no truncated ...
... bundle of very fine fibers , the fibers are heavy and coarsely beaded . All the spindles arranged as in fig . 18 have their apices truncated . Fig . 19 shows one spindle in the linear position , the other not ; in this type no truncated ...
Página 61
... bundle as concentric . This indefinite region may be one or two cells thick or may be altogether lacking , and it seems better to regard it as pericycle rather than as phloem . It consists of small thin - walled parenchyma cells ...
... bundle as concentric . This indefinite region may be one or two cells thick or may be altogether lacking , and it seems better to regard it as pericycle rather than as phloem . It consists of small thin - walled parenchyma cells ...
Página 124
... bundles pass up the stalk of the megasporophyll , anastomose in the upper portion , and give off five to eight branches which pass into each ovule . Just after entering the base of the ovule each vascular bundle forms two branches , one ...
... bundles pass up the stalk of the megasporophyll , anastomose in the upper portion , and give off five to eight branches which pass into each ovule . Just after entering the base of the ovule each vascular bundle forms two branches , one ...
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Términos y frases comunes
Abietineae aecidium agar air chambers angiosperms antipodal apical apogamy appear archegonia biennis body cell BOTANICAL GAZETTE bundles cañon cent central cylinder characters chromosomes condition cortex cytoplasm described division elongated embryo sac endosperm fertilization filifera flora flowers formation fusion gametophyte genera genus germination growth hybrid Inoculation internodes Lamarckiana large number lata later layer leaf traces longa longis male nucleus megasporangium megaspore Microcycas micropylar microsporangia mitosis mother cell mutation mycelium NaCl node nuclei number of chromosomes observed occur origin ovule paper petiole Pinus plants PLATE pollen tube postpaid Potamogeton present produced proembryos Professor prothallial cell region roots seeds shoots shown in fig shows solutions species sperms spindle spirem sporangia sporangium spores sporocarp sporogenous tissue sporophyte stage stalk stele stem strands structure suspensor synapsis tapetal tapetum telophase tetrad tion trees tuberous Ueber University of Chicago uredospores usually vegetative wall xylem
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Página 463 - MANUSCRIPTS. Contributions on Science and Mathematics Teaching are invited. Articles must be written on one side of the sheet only. All illustrations must be drawn or written in jet black ink on a separate sheet of manuscript.
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Página 472 - By OLAF A. TOFFTEEN, Professor of Semitic Languages and Old Testament Literature in the Western Theological Seminary...
Página 472 - Historical and Linguistic Studies in Literature Related to the New Testament. 60 pages, 8vo, paper; net 50 cents, postpaid 54 cents By HAMILTON FORD ALLEN The Deification of Abstract Ideas in Roman Literature and Inscriptions. 102 pages, 8vo, paper; net 75 cents, postpaid 80 cents By HAROLD L. AXTELL Decimus Junius Brutus Albinus. 114 pages, 8vo, paper; net 75 cents, postpaid So cents By BERNARD CAMILLUS BONDURANT The Role of the Md-y«ipoi in the Life of the Ancient Greeks.