Pamphlets on Forestry, Volume 41991 |
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Page 392
... evidence of cambial activity . While there was no satisfactory evidence obtained the previous year as regards cambial awakening , since observations were begun too late , sections from tree II on May 13 , 1910 , showed growth in such an ...
... evidence of cambial activity . While there was no satisfactory evidence obtained the previous year as regards cambial awakening , since observations were begun too late , sections from tree II on May 13 , 1910 , showed growth in such an ...
Page 393
... evidence in every case where the cutting was taken at the later date . In figs . 1 and 2 we have apparently the resting condition , while figs . 4 and 5 exhibit signs of growth , the latter being more in evidence in fig . 5 . Comparing ...
... evidence in every case where the cutting was taken at the later date . In figs . 1 and 2 we have apparently the resting condition , while figs . 4 and 5 exhibit signs of growth , the latter being more in evidence in fig . 5 . Comparing ...
Page 402
... evidence to the amount of 3 or 4 tracheids ; compare with fig . 3 ; X50 . FIG . 7. - Cutting taken from tree III April 15 , 1910 , about 3 m . from the apex ; growth in evidence to the extent of one or two partly formed tracheids ; X 50 ...
... evidence to the amount of 3 or 4 tracheids ; compare with fig . 3 ; X50 . FIG . 7. - Cutting taken from tree III April 15 , 1910 , about 3 m . from the apex ; growth in evidence to the extent of one or two partly formed tracheids ; X 50 ...
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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Common terms and phrases
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