Order Hymenomycetes Tribe Pileati  

Lactarius indigo Schw.  

Name—indigo, blue  

Species Characters. L. indigo. Pileus at first convex, then infundibuliform, deep blue bordering on Payne’s gray, flesh hard and brittle. Lamellae narrow, decurrent, forked, blue shaded into Payne’s gray. Stipe hard, brittle, equal or nearly so, hollow or partly stuffed. Milk at first bright blue changes to green upon exposure to the air. Taste extremely pungent and disagreeable. Spores 0.00032’-in diameter tuberculated yellow. this plant was brought to me by Mr. Wm Hand Brown, who found it in woods near Lutherville, Baltimore County, Maryland, July. August 1878. Since then I have repeatedly met with it, both in Maryland and Virginia.