. comptesrendusheb1351902acad. es naturelles. Pollen A'Aelheotesta en coupe transversale. Gr. : '-^. Fiï.. Prothalles vus par l'extérieur. — Gr. ; J-J-".. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original nce Periodicals; dicals.

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