Pamphlets on Forestry, Volume 41991 |
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Page 282
... increase , the combined values for increase of phloem , cambium , and xylem , in trees A and C are given in TABLE V. From the table it is at once evident that very little growth took place previous to May 25 , and the growth which ...
... increase , the combined values for increase of phloem , cambium , and xylem , in trees A and C are given in TABLE V. From the table it is at once evident that very little growth took place previous to May 25 , and the growth which ...
Page 288
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl Below 2d whorl Below 3d whorl ...
TABLE XI NUMBER OF ROWS OF XYLEM CELLS AND DIAMETER INCREASE OF XYLEM IN TREE E Region of cutting No. May 22 Diameter increase of xylem May 22 No. June 6 Diameter increase of xylem June 6 Below Ist whorl Below 2d whorl Below 3d whorl ...
Page 290
... increase in phloem cells was evident . The increase of cambium and phloem was gradual over the entire trunk in tree A up to May 25 , the greatest increase being main- tained in the middle region . Similar conditions were found in tree B ...
... increase in phloem cells was evident . The increase of cambium and phloem was gradual over the entire trunk in tree A up to May 25 , the greatest increase being main- tained in the middle region . Similar conditions were found in tree B ...
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 piƱon 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