Pamphlets on Forestry, Volume 41991 |
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Page 402
... MICHIGAN LAKE ERIE FIG . 2. - Map of southern Michigan , northern Indiana , and northern Ohio , showing " moraines with strong expression . " After LEVERETT , U. S. Geol . Surv . Mon. 41 , plate 2. The irregular dotted lines mark the ...
... MICHIGAN LAKE ERIE FIG . 2. - Map of southern Michigan , northern Indiana , and northern Ohio , showing " moraines with strong expression . " After LEVERETT , U. S. Geol . Surv . Mon. 41 , plate 2. The irregular dotted lines mark the ...
Page 448
... 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 conifer forest formation of northeastern North America , as shown by studies in ...
... 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 conifer forest formation of northeastern North America , as shown by studies in ...
Page 473
... Michigan soils . Bull . 99 , Mich . Agric . Exper . Sta . 1893 . 28. KIHLMAN , A. O. , Pflanzenbiologische Studien aus russisch Lappland . Act . Soc . pro Fauna et Flora Fennica 6 : 113 . 1890 . 29. KING , F. H. , The soil . Macmillan ...
... Michigan soils . Bull . 99 , Mich . Agric . Exper . Sta . 1893 . 28. KIHLMAN , A. O. , Pflanzenbiologische Studien aus russisch Lappland . Act . Soc . pro Fauna et Flora Fennica 6 : 113 . 1890 . 29. KING , F. H. , The soil . Macmillan ...
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