Pamphlets on Forestry, Volume 41991 |
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Page 448
... relationship between the bog plants and the surrounding vegetation in southern Michigan . This was explained on the basis that the bog vegetation is a relict of former climatic conditions ; that it has a genetic relationship with the ...
... relationship between the bog plants and the surrounding vegetation in southern Michigan . This was explained on the basis that the bog vegetation is a relict of former climatic conditions ; that it has a genetic relationship with the ...
Page 384
... relation between color and acidity , except that light colored waters usually show slight acidity . The acid nature of the soil solution is a factor in the competition between different species for the occupancy of bog areas . Bog soils ...
... relation between color and acidity , except that light colored waters usually show slight acidity . The acid nature of the soil solution is a factor in the competition between different species for the occupancy of bog areas . Bog soils ...
Page 417
... relation to the median traces of the leaf . However , in oak these rays are in most cases less strongly developed in the young twig than are the rays related to the lateral traces . 6. The origin and development of foliar rays show ...
... relation to the median traces of the leaf . However , in oak these rays are in most cases less strongly developed in the young twig than are the rays related to the lateral traces . 6. The origin and development of foliar rays show ...
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