Pamphlets on Forestry, Volume 41991 |
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Page 417
... reduction and disappearance , as well as the origin and develop- ment , of specialized tissues . Among Coniferous plants the reduction of resin canals and ray tracheides can be observed in the Abieteae , Cupressineae , and Taxodineae ...
... reduction and disappearance , as well as the origin and develop- ment , of specialized tissues . Among Coniferous plants the reduction of resin canals and ray tracheides can be observed in the Abieteae , Cupressineae , and Taxodineae ...
Page 417
... reduction in the alder under con- sideration . Furthermore , since similar conditions exist in other lower Dicotyledons which possess only uniseriate rays in the mature wood , the conclusion is reached that a considerable number of ...
... reduction in the alder under con- sideration . Furthermore , since similar conditions exist in other lower Dicotyledons which possess only uniseriate rays in the mature wood , the conclusion is reached that a considerable number of ...
Page 417
... reduction of the foliar ray is less complete in this plant than in the preceding species . In Fig . 13 may be seen the cross- section of a mature twig of Castanopsis tribuloides , a plant whose structure resembles that of Quercus ...
... reduction of the foliar ray is less complete in this plant than in the preceding species . In Fig . 13 may be seen the cross- section of a mature twig of Castanopsis tribuloides , a plant whose structure resembles that of Quercus ...
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