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Great Western Fireweed (lipilobium angustifolium). A weed in clearings following fires, especially in the North, Rocky Mountains and the Pacific Coast. The seeds are carried by the wind. (Photograph by

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Professor of Bolany, Iowa Stale College, and Bolanlsl
Iowa Agricultural Experiment Station

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NEW YORK
ORANGE JUDD COMPANY

LONDON
KEGAN PAUL. TRENCH, TRUBNER & co., Lxmted

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