Pamphlets on Forestry, Volume 41991 |
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Page 402
... lower side , with more or less mottled orange yellow on the upper side , 9 to 12.5mm ( 0.375 to 0.5in ) long , 6.5 to 9mm ( 0.25 to 0.375in ) broad , with a thin shell which cracks most easily along the line of the most prominent ridge ...
... lower side , with more or less mottled orange yellow on the upper side , 9 to 12.5mm ( 0.375 to 0.5in ) long , 6.5 to 9mm ( 0.25 to 0.375in ) broad , with a thin shell which cracks most easily along the line of the most prominent ridge ...
Page 448
... lower epidermis covered with wax , especially at the stomata , guard cells slightly elevated . Mycorhiza present in the larger roots , wanting in the hairlike branches , no root hairs . Andromeda polifolia . - Leaf : margins revolute ...
... lower epidermis covered with wax , especially at the stomata , guard cells slightly elevated . Mycorhiza present in the larger roots , wanting in the hairlike branches , no root hairs . Andromeda polifolia . - Leaf : margins revolute ...
Page 417
... lower side of the photomicrograph , which was formed before the injury occurred , possesses only uniseriate rays , but in the upper portion of the figure may be seen numerous aggregate rays which originate at the injury . Additional ...
... lower side of the photomicrograph , which was formed before the injury occurred , possesses only uniseriate rays , but in the upper portion of the figure may be seen numerous aggregate rays which originate at the injury . Additional ...
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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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