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August 21, 1937

PLANTAIN HAY FEVER

Author Affiliations

Philadelphia.

JAMA. 1937;109(8):606. doi:10.1001/jama.1937.02780340062023

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Abstract

To the Editor:—  Following the appearance of our article in The Journal, May 1, page 1500, we received a letter from O. C. Durham questioning the identification of the so-called common plantain used in our experiments. He stated that he had never been able to obtain common plantain pollen either from collectors of pollen or from atmospheric pollen studies; furthermore, that English plantain was the only type that could possibly contaminate the air.In an effort to clarify this situation and to identify our pollen, labeled common plantain by collectors, we forwarded several slides to him for identification. Microscopic study of these slides revealed our English plantain to be English plantain, but our common plantain turned out to be Rugel's plantain (Plantago rugelii).This would tend to confirm Mr. Durham's experience, namely, that common plantain is a poor pollen producer and that practically no common plantain pollen is obtained in

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