Thursday, November 17, 2011

Specimen #6: Large Brown-Capped Gilled Mushroom

Figure 1: large brown pileus

Figure 2: Gills tinted pink with spores

Figure 3: No annulus visible

Name: Pluteus cervinus, the deer mushroom 
Family: Pluteaceae
Collection Date: September 10, 2011
Habitat: Under tree, shaded
Location: Vienna, Ohio
Description: Large brown cap, slightly pink gills. No veil or annulus.Cap was nicely rounded but changed shape when transported in a container.
Collector: Taylor Summerfield


Key used: Arora, David, 1986. Mushrooms Demystified, 2nd Edition, Ten Speed Press, New York, New York.


Key Steps: Key to the Major Groups of Fleshy Fungi
1. Spores produced on mother cells called basidia; fruiting body variously shaped (see pp.52-54)...Basidiomycotina, p. 57



Key to Basidiomycetes:
1. Basidia and spore borneexternally...2
2. Fruiting body not at first egglike with a gelatinous interior, spore not contained in slime...Hymenomycetes, below


Key to Hymenomycetes:
1. No pores or tube mouths on underside of cap...3
3. Underside of cap radiating blades (gills)...Agaricales, below


Key to the Agaricales:
1. Spore frocibly discharged, hence a spore print obtainable...2
2. Spore print pinkish, salmon, yellow-brown, brown, rusty-orange, etc...10
10. Spore print pinkish to flesh-colored, salmon, pinkish-cinnamon, or sordid reddish...11
11. Volva typically absent...12
12. Gills typically free at maturity...Pluteaceae, P. 253


Key to Pluteaceae:
1. Universal veil and volva absent...2
2. Veil and annulus absent...Pluteus, p. 254


Key to Pluteus:
1. Cap not red to orange, fading to yellow...2
2. Stalk not yellow...5
5. Cap not white...6
6. Gills edges same color as gills...7
7. Base of stalk not blue- or greenish-stain in age or when bruised...8
8. Cap not velvety or granulose...9
9. Cap 3-12cm broad or more, not striate; stail 4mm thick or more...10
10. Cap dark brown to pale brown, grayish-brown, etc...P. cervinus & others, p.255

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