A study of plant leaves / designed and written by W.J. Beal ; illustrations all from nature by B.O. Longyear.
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| Language: | English |
| Published: |
Agricultural College, Mich. :
Michigan State Agricultural College, Experiment Station, Botanical Department,
1903.
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| Series: | Elementary science ;
bulletin no. 9. |
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| Physical Description: | pages [82]-107 : illustrations ; 23 cm. |
| Format: | Book |