Pamphlets on Forestry, Volume 41991 |
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Page 339
... young , gla- brous at maturity , veins prominent aments large , upon lateral shoots 6-8 cm . long , .75-1 cm . thick , often three borne on a single branch , very densely flowered , six to ten leaves on the peduncle , flowering in July ...
... young , gla- brous at maturity , veins prominent aments large , upon lateral shoots 6-8 cm . long , .75-1 cm . thick , often three borne on a single branch , very densely flowered , six to ten leaves on the peduncle , flowering in July ...
Page 341
... young vigorous shoots , remotely dentate , the teeth narrow , sometimes quite spinulose : stipules conspicuous , ear - shaped , ob- scurely denticulate , deciduous aments of late spring on short lateral peduncles , which bear four to ...
... young vigorous shoots , remotely dentate , the teeth narrow , sometimes quite spinulose : stipules conspicuous , ear - shaped , ob- scurely denticulate , deciduous aments of late spring on short lateral peduncles , which bear four to ...
Page 456
... young tyloses . regular . crease . Scattered ; thick walled . Same as in sapwood . Species . TABLE II . - Occurrence of tyloses in the large vessels of the hardwoods - Continued . THE RING POROUS WOODS - Continued . Erythrobalanus the ...
... young tyloses . regular . crease . Scattered ; thick walled . Same as in sapwood . Species . TABLE II . - Occurrence of tyloses in the large vessels of the hardwoods - Continued . THE RING POROUS WOODS - Continued . Erythrobalanus the ...
Contents
The Huron River valley 351 | 351 |
their development and ecological conditions | 360 |
The bog plant societies | 429 |
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2d whorl 4th whorl abundant acidity aggregate ray Alnus aments annual ring apex Aronia basin bast fibers Betula bog areas bog plants bog societies bog water branches cambial activity cambium cassandra conifers creosote crystals cutting depressions diameter increase Dicotyledons drainage drained factors Fagales fiber bundles foliar ray forest formation glacial growth habitats HARTIG heartwood hickory Huron June lake larch Larix layers leaves lower 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 tyloses undrained uniseriate rays vegetation vessels Viola blanda walls white oak wood xerophilous xylem zone μ μ μ