Pamphlets on Forestry, Volume 41991 |
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Page 265
... become sclerotic in Lirio- dendron while in Magnolia it does , but only in the outer layers . Stone cells in Magnolia are essentially enlarged and very thick walled . The bast fibers in Magnolia have a typical form while in Liriodendron ...
... become sclerotic in Lirio- dendron while in Magnolia it does , but only in the outer layers . Stone cells in Magnolia are essentially enlarged and very thick walled . The bast fibers in Magnolia have a typical form while in Liriodendron ...
Page 390
... become gorged with starch and greatly enlarged . As a result the older sieve areas are stretched tangentially and are seen as thin bands separating the larger cells . Pith rays appear as straight lines running out into ⚫ the cortex ...
... become gorged with starch and greatly enlarged . As a result the older sieve areas are stretched tangentially and are seen as thin bands separating the larger cells . Pith rays appear as straight lines running out into ⚫ the cortex ...
Page 445
... becomes exceedingly dry . The moss dies out , and in place of it there springs up a growth of Cladonia rangiferina ... become more favorable , the Polytrichum again closes over the area , driving out the lichens . About the borders of ...
... becomes exceedingly dry . The moss dies out , and in place of it there springs up a growth of Cladonia rangiferina ... become more favorable , the Polytrichum again closes over the area , driving out the lichens . About the borders of ...
Contents
The Huron River valley | 402 |
their development and ecological conditions | 360 |
The bogplant societies | 429 |
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2d whorl 4th whorl abundant acidity Alnus aments apex apical shoot Aronia average basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledonous drainage drained factors Fagales fiber bundles foliar ray forest formation genera glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lobes lower mature 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 twigs tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone