Letter 12556
Gray, Asa to Darwin, C. R.
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Germination and root of Ipomoea.
Summary Add
Transcription
Sir,
Ipomœa leptophylla makes a root as big as a man. So does Ipomœa pandurata,—which, I believe—but dont know—germinates normally, That must be looked to. If it has the same trick it would well confirm your notion of the meaning of the thing.
A Gray