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 24
... internodes of the aerial shoot . At this stage the primary root ( R ) is the main root of the young shoot ; it bears ... internode a short distance above the cotyledons . At the end of the first season the shoot dies down to the ground ...
... internodes of the aerial shoot . At this stage the primary root ( R ) is the main root of the young shoot ; it bears ... internode a short distance above the cotyledons . At the end of the first season the shoot dies down to the ground ...
Página 25
... internodes ; the place of development of these minute shoots is along the upper face of the root . It is only when the tuber occupies a more or less vertical position that the shoots show a tendency to push out from near the apex , as ...
... internodes ; the place of development of these minute shoots is along the upper face of the root . It is only when the tuber occupies a more or less vertical position that the shoots show a tendency to push out from near the apex , as ...
Página 27
... internodes are four - winged , while the body of the stem is cylindric . The cuticle is thin , but wrinkled ; the cells of the epider- mis are small , and moderately thickened in the wings 1907 ] 27 HOLM - VEGETATIVE ORGANS OF RHEXIA.
... internodes are four - winged , while the body of the stem is cylindric . The cuticle is thin , but wrinkled ; the cells of the epider- mis are small , and moderately thickened in the wings 1907 ] 27 HOLM - VEGETATIVE ORGANS OF RHEXIA.
Página 28
... internodes the epidermis and cortex are thrown off , while the endodermis remains intact and about four layers of pericyclic cork are developed . It is in these internodes that a central mestome strand occurs , with both leptome and ...
... internodes the epidermis and cortex are thrown off , while the endodermis remains intact and about four layers of pericyclic cork are developed . It is in these internodes that a central mestome strand occurs , with both leptome and ...
Página 30
... internodes of the older shoots . No specimen was found in which there was any indication of the primary root , and it would be very interesting to know whether the seedling of this species behaves in the same way as that of R. virginica ...
... internodes of the older shoots . No specimen was found in which there was any indication of the primary root , and it would be very interesting to know whether the seedling of this species behaves in the same way as that of R. virginica ...
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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 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.