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Contributed by Harvard University Botany Libraries.
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Transcription
No. 1793.- M. Niagara Falls.
Stephanodiscus Niagarae 05
No. 1794.- M. Califor.
65 1/4 Variacula granulata B. "fig. 10-.
52-
56
68 1/2 Ampliflora
57 1/4 Variacula Sigmoid-.
63 1/4