Identifier: cu31924024546263 (find matches)
Title: Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations
Year: 1911 (1910s)
Authors: Hancock, Joseph Lane
Subjects: Plant ecology Animal ecology Animal behavior Birds Insects
Publisher: Chicago, A. C. McClurg & Co.
Contributing Library: Cornell University Library
Digitizing Sponsor: MSN

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Insect Visitors to the Milkwekd (jlxc/cpifix ronuiii) The inneds are the red-spoited beetles (Tctmopes lelnioplliahitK.s), whose lives are ititimaleli/ associated xdth this plant. From a photogriipli V ADAPTATIONS IN ANIMALS AND PLANTS 37
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The Suamp Milkweed (Asclepia^ incaniata). It appears at the borders of ponds and swamps, lending color to these surroundings. 38 NATURE SKETCHES IN TEMPERATE AMERICA being as interesting in their adaptation to insect visitors asare the remarkable orchids. A more minute examination shows that the purple flowerhas the corolla deeply divided into five parts. Next to thecorolla is a crown of five spreading hoods, each bearing withina slender incurved horn. The five stamens are attached tothe corolla; the filaments are joined into a tube enclosing thepistil. The anthers are joined to the stigma and flexed inwardand winged, broadening below the middle, and between theseanther wings is a sUt — the stigmatic chamber. This fissureis bridged above by the pollen-bearing organ known as thecorpusculum. The latter may be compared to a wish-bone inshape; each flattened side is called a polEnia and forms partof two neighboring anthers. The upper part is formed intoa wedge-shaped sUt. One of the cor

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