<p>PI. III <br>
Calypso borealis, Salisb. <br>
Cah <br>
Calypso. <br>
Europe sopleiili-ioiialc cl l)i)i-i'alc. ilans les lieux marécaLT 'ii\, les lourbièros ol <br></p>
 les spliaigiies tVdictes Avril-mai.
Correvon, Henry,
1899
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