Pamphlets on Forestry, Volume 41991 |
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Page 336
... Leaves very small , I cm . long , awl - shaped ; aments oval , I cm . long , gland in staminate flower one . I. S. microphylla . Leaves larger , 2 cm , or more in length ; aments more or less elongated , glands in stami- nate flower two ...
... Leaves very small , I cm . long , awl - shaped ; aments oval , I cm . long , gland in staminate flower one . I. S. microphylla . Leaves larger , 2 cm , or more in length ; aments more or less elongated , glands in stami- nate flower two ...
Page 339
... leaves on the peduncle , flowering in July or late in June , scales oblong or obovate , rounded or retuse at the apex , nearly or quite glabrous , narrower in the pistillate ament , lower half of filaments very hairy , upper half mi ...
... leaves on the peduncle , flowering in July or late in June , scales oblong or obovate , rounded or retuse at the apex , nearly or quite glabrous , narrower in the pistillate ament , lower half of filaments very hairy , upper half mi ...
Page 382
... leaves . The leaves were measured as to length and breadth . An index was obtained by multiplying these two numbers together and averaging for each culture . Following are the indexes of leaf area thus derived : drained warm substratum ...
... leaves . The leaves were measured as to length and breadth . An index was obtained by multiplying these two numbers together and averaging for each culture . Following are the indexes of leaf area thus derived : drained warm substratum ...
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