<p>Dufour, Champignons. <br>
Planche 30 <br>
N<sup>o</sup>. 66. Russula virescens. Russule verdoyante. (comestible). <br>
N<sup>o</sup>. 67. Russula furcata. Russule à lames fourchues. (suspecte). [Probablement <i>R. heterophylla</i>.]<br></p>
N<sup>o</sup>. 68. Russula nigricans. Russule noirâtre. (suspecte). <br>
Dufour, L.
1891
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