PHYSIOLOGICAL and experimental observations have hitherto played virtually no part in helping to elucidate problems connected with the organization of the plant body in Pteridophytes. The approach towards these problems has been almost exclusively morphological in inception and outlook. Some experimental investigations recently recorded by Prof. C. W. Wardlaw (Ann. Bot., New Series, 7, Nos. 26 and 28, 8, Nos. 30/31 and 32, April and Oct. 1943 and April–July and Oct. 1944) dealing with bud development and stelar morphology in ferns have yielded results of great interest and significance which indicate the value and potentialities of this previously neglected approach to morphological problems.
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SLEDGE, W. Experimental Morphology of Pteridophytes. Nature 155, 292–293 (1945). https://doi.org/10.1038/155292a0