Pamphlets on Forestry, Volume 41991 |
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Page 288
... region the increase was 55.5 μ . The average diameter of xylem in branch No. 7 was only 4-5 μ , while in the region of the trunk from which the branch was secured the diameter increase amounted to 229 μ . It is very evident , therefore ...
... region the increase was 55.5 μ . The average diameter of xylem in branch No. 7 was only 4-5 μ , while in the region of the trunk from which the branch was secured the diameter increase amounted to 229 μ . It is very evident , therefore ...
Page 402
... region of the interlobate moraine the disappearance of the more mesophytic forms is quite marked . The forest is there largely composed of Quercus coccinea , Q. macrocarpa , Q. velutina , Q. alba ; and as we go northeastward these ...
... region of the interlobate moraine the disappearance of the more mesophytic forms is quite marked . The forest is there largely composed of Quercus coccinea , Q. macrocarpa , Q. velutina , Q. alba ; and as we go northeastward these ...
Page 384
... region of the Saginaw - Erie inter- lobate moraine ; ( 2 ) the Erie morainic belt ; and ( 3 ) the lake plain . In discussing the meteorological conditions of a region as affecting the flora , attention is called to the fact that the ...
... region of the Saginaw - Erie inter- lobate moraine ; ( 2 ) the Erie morainic belt ; and ( 3 ) the lake plain . In discussing the meteorological conditions of a region as affecting the flora , attention is called to the fact that the ...
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 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