Pamphlets on Forestry, Volume 41991 |
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Page 390
... appear as straight lines running out into ⚫ the cortex , but as they proceed radially into the cortex they soon become more or less irregular and curved . There are no crystalloge- nous cells such as are described by STRASBURGER in ...
... appear as straight lines running out into ⚫ the cortex , but as they proceed radially into the cortex they soon become more or less irregular and curved . There are no crystalloge- nous cells such as are described by STRASBURGER in ...
Page 427
... appear to be adapted to the acid soil conditions include cranberry , blackberry , raspberry , sheep sorrel , cow - pea , flax , corn , lupine , and soja bean . It would appear , then , that the acidity of the soil solution is ...
... appear to be adapted to the acid soil conditions include cranberry , blackberry , raspberry , sheep sorrel , cow - pea , flax , corn , lupine , and soja bean . It would appear , then , that the acidity of the soil solution is ...
Page 449
... appear as elongated vesicles . ( Pl . LII , fig . 3 ; and Pl . LIII , figs . 1 , 2 , and 3. ) Often when the walls are very thin they appear much collapsed and wrinkled as , for instance , in ash or the wound tyloses in cow oak . ( Pl ...
... appear as elongated vesicles . ( Pl . LII , fig . 3 ; and Pl . LIII , figs . 1 , 2 , and 3. ) Often when the walls are very thin they appear much collapsed and wrinkled as , for instance , in ash or the wound tyloses in cow oak . ( Pl ...
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