Alterations of the development and forms of plants as a result of environment 1

ABSTRACT THE fungus Saprolegnia is chosen as an example among the lower plants. This fungus lives on dead insects, and shows three distinct stages of its development:—(1) vegetative growth

of the mycelium; (2) asexual reproduction by motile zoospores; (3) sexual reproduction by male and female organs. Under ordinary conditions these three stages follow one another quite

regularly until, after the ripening of the resting spores, the fungus dies; but, according to the special conditions of every stage, it is possible to produce them as we desire, and also to

alter their succession. Under very favourable conditions of nutrition the fungus must continuously grow, without being propagating and without dying. Numerous other lower plants, as fungi

and algae, show the same relations to environment. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS OPTIONS

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and Forms of Plants as a Result of Environment_ 1 . _Nature_ 83, 414 (1910). https://doi.org/10.1038/083414b0 Download citation * Issue Date: 02 June 1910 * DOI:

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