. A biological study of Polypodium polypodioides (resurrection fern) as an air plant in Polypodium; Ferns. 51. C. EFFECT OP PHYSICAL CHARACTER OF THE BARK ON THE DISTRIBUTION OP 6lDservations in the field indicated that the fern occurred abundantly on trees the "bark of which possessed was particularly abundant on bark which was deeply furrowed and which was soft to allov/ the young roots of the fern to penetrate into the interlaminar spacesoOn such bark the polypody was found developing a copious root system in the interlaminar spa


. A biological study of Polypodium polypodioides (resurrection fern) as an air plant in Polypodium; Ferns. 51. C. EFFECT OP PHYSICAL CHARACTER OF THE BARK ON THE DISTRIBUTION OP 6lDservations in the field indicated that the fern occurred abundantly on trees the "bark of which possessed was particularly abundant on bark which was deeply furrowed and which was soft to allov/ the young roots of the fern to penetrate into the interlaminar spacesoOn such bark the polypody was found developing a copious root system in the interlaminar spaces,where the young root hairs were always found to be turgid and functioning regardless of the weather conditions, A flaky bark such as that of the juniper. Fig,19 The underside of a mass of P«polyppflioides showing the massive root system in*the interlaminar 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 Pessin, Louis Jerome, 1894-. Baltimore, Md.


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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherbalti, bookyear1923