Pamphlets on Forestry, Volume 41991 |
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Page 275
... tissue which lies between the visibly differentiating phloem and xylem . The cambium tissue is com- posed of a number of rows of cells , which cells are characterized by their thin walls , dense protoplasmic content , and , viewed in ...
... tissue which lies between the visibly differentiating phloem and xylem . The cambium tissue is com- posed of a number of rows of cells , which cells are characterized by their thin walls , dense protoplasmic content , and , viewed in ...
Page 276
... tissue with the gradual transformation of the peripheral cells into phloem tissue . The old phloem cells adjacent at this time are becoming compressed due to the pressure brought about by the transformation of the cambial cells ...
... tissue with the gradual transformation of the peripheral cells into phloem tissue . The old phloem cells adjacent at this time are becoming compressed due to the pressure brought about by the transformation of the cambial cells ...
Page 417
... tissue is a progression in the direction of compounding . The significant facts to be kept in mind are that in Quercus the first - formed wood of the seedling possesses solely uniseriate rays , the development of foliar rays is a ...
... tissue is a progression in the direction of compounding . The significant facts to be kept in mind are that in Quercus the first - formed wood of the seedling possesses solely uniseriate rays , the development of foliar rays is a ...
Contents
The Huron River valley 351 | 351 |
their development and ecological conditions | 360 |
The bog plant societies | 429 |
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2d whorl 4th whorl abundant acidity aggregate ray Alnus aments annual ring apex Aronia basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledons drainage drained factors Fagales fiber bundles foliar ray forest formation glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lower Michigan moraine occur parenchyma parenchyma cells peat perianth periderm phloem pine Pinus piñon Pinus rigida pith rays plant societies Platanus plates present Quercus radial region resin canals roots rows Salix sapwood scattered sclerenchyma sclerotic sedge shrubs sieve tubes soil species specimens sphagnum stem stone cells substratum surface swamp tamarack temperature thick tissue tracheids trees trunk tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone μ μ μ