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General information

 Substratum:Terricolous 
 
Continent::
Africa no
North America yes
S. and C. America no
 
Asia no
Australia no
Europe yes
 
 Authority:Peck ss. Singer, nec Romagnesi 1950 var. pectinatoides Peck 
 Information given by author(s):Ingratae foetentinae
Comon
Type : 54-40
 
 Host(s):Deciduous, Coniferous (Pinus, Picea) 
 Taxon name_Mycobank:
 
 Bibliography:
 

Macro-characters

 
Stipe
 Width of stipe:8 - 15 
 Veil:Absent 
 Form of base of stipe:Not radicate 
 Form of stipe:Inflated at top to straight 
 Context of stipe:Solid/partly hol./compl. hol. 
 
Main color(s) of stipe::
grey/black no
brown yes
white yes
yellow/cream yes
blue no
 
orange no
red/pink variable
purple/vinaceous no
green no
   
 
 Length of stipe:30 - 50 
 
Pileus
 Type of pileipellis:Smooth 
 Striations of pileus:Weak (less than mid-radius) 
 Viscosity of pileus:Viscid/viscous even if dry 
 Form of center of pileus:Concave/depressed 
 Separability of pileus:Medium (from25% to 75%) 
 
Thickness of flesh of pileus
 
Main color(s) of pileus::
grey/black variable
brown yes
white no
yellow/cream variable
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Diameter of pileus:33 - 60 
 
Lamellae
 Spacing of lamellae:Distant 
 Number of lamellulae:Less than lamellae 
 Furcation of lamellae:Everywhere (min 3 to 4/carp.) 
 Color of ridges of lamellae:Fully concolorous with faces 
 Attachment of lamellae:Decurrent/adnate/free 
 Type of lamellae:Fragile/breakable 
 Type of lamellar ridges:Entire/smooth 
 
Main color(s) of lamellae::
grey/black no
brown no
white yes
yellow/cream yes
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Height of lamellae:4 - 7 
 Odor:Strong and unpleasant/pleasant 
 Flavor of flesh:Sweet to bitter or both 
 
Color changes
 Fruit body turns red if touched/cut:Not turning red 
 Fruit body turns br. yellow if touched:Not turning bright yellow 
 
Chemical reactions
 Ga´ac test on flesh:Blue/green 
 
Latex
 Latex:Absent 
 
Color(s) of fresh latex::
grey/black no
brown no
white no
yellow/cream no
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 
Color(s) of dry latex::
grey/black no
brown no
white no
yellow/cream no
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 

Micro-characters

 
Spores
 Length of spores:6.7 - 8.2 (8.7) 
 Width of spores:5.2 - 6 (7.5) 
 Amyloid plage:Variable/partial/weak 
 Appearance of spores verrucae:Tips acute to rounded/both 
 Ornamentations in surface view:Irregular 
 Overall appearance of spores:Not reticulate 
 Height of verrucae:0.5 < x < 2 µm 
 Color of spore deposit:7 
 Pictures from Romagnesi, 1967_Link:
  • 3\211a1.jpg
  • 3\211a3.jpg
 
 
Basidia
 Length of basidia:(36) 40 - 52 
 Width of basidia:8.5 - 11.5 
 Number of sterigmata per basidium:Four 
 
Pleurocystidia
 Length of pleurocystidia:65 - 110 
 Width of pleurocystidia:7 - 10 (11.5) 
 Thickness of wall of pleurocystidia:Thin (all structures < 2 µm) 
 Shape of apices of pleurocystidia:Mainly capit./append./acerate 
 Sulfo-vanillin test on pleurocystidia:Blue/black/red/pur./or./brown 
 
Pleurocystidia abundance::
absent no
very dispersed 0-350/mm² variable
dispersed 350-700/mm² yes
 
rather abund 700-1500/mm² variable
abundant 1500-3000/mm² no
very abundant >3000/mm² no
 
 
Marginal cells
 Length of marginal cells:0 
 Width of marginal cells:0 
 
Subhymenium
 Differentiation of supra and subpellis:Obvious 
 Size of cells in supra and subpellis:Same in size 
 Gelification of subpellis:Strongly gelified 
 
Pileocystidia
 Length of pileocystidia:30 - 35 
 Width of pileocystidia:3 - 5.7 
 Location of pileocystidia:Suprapellis 
 Shape of apices of pileocystidia:Mainly capit./append./acerate 
 Sulfo-vanillin test on pileocystidia:Variable/weak reaction 
 
Hyphae of pileus
 Diameter of primordial hyphae:0 
 Vacuolar pigments of hyphae of pileus:Variable/weak 
 Wall of hyphae of pileus:Thin (<1 µm) 
 Filamentous hyphae of pileus:Absent