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|All Authors / Contributors:||
Clark Willis Horton
|Description:||71 pages 27 cm.|
|Series Title:||Botanical society of America. Bulletin no. 120 [i.e. Publication no 120. Miscellaneous series|
|Responsibility:||by Clark W. Horton. Sponsored and published by the Committee on the teaching of botany in American colleges and universities of the Botanical society of America.|