Pamphlets on Forestry, Volume 41991 |
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Page 257
... rows in which the slightly sclerotic fibers are occasionally interpolated , and these are nearly always arranged in several tangential rows . The latter is generally the case in Taxus where a row of thin walled fibers occur between every ...
... rows in which the slightly sclerotic fibers are occasionally interpolated , and these are nearly always arranged in several tangential rows . The latter is generally the case in Taxus where a row of thin walled fibers occur between every ...
Page 262
... row ( y ) Pith rays in several rows . Alnus Betula B. Bast fibers present , but there are none , or only very few stone cells . 1. Extensive , closely packed bast fiber bundles in tan- gential rows accompanied by crystal cells ; sieve ...
... row ( y ) Pith rays in several rows . Alnus Betula B. Bast fibers present , but there are none , or only very few stone cells . 1. Extensive , closely packed bast fiber bundles in tan- gential rows accompanied by crystal cells ; sieve ...
Page 275
... rows of potential xylem cells and two rows of potential phloem cells . Except by careful cytological study the row of true cambium cells cannot be distinguished from the neighboring cells . The term cambium has been , therefore ...
... rows of potential xylem cells and two rows of potential phloem cells . Except by careful cytological study the row of true cambium cells cannot be distinguished from the neighboring cells . The term cambium has been , therefore ...
Contents
The Huron River valley | 402 |
their development and ecological conditions | 360 |
The bogplant societies | 429 |
4 other sections not shown
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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