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General information

 Substratum:Terricolous 
 
Continent::
Africa no
North America no
S. and C. America no
 
Asia no
Australia no
Europe yes
 
 Authority:(Bull. ex St-Amans) Fr. 
 Synonyms and close species:C: R. sororia
R. pectinatoides Singer
 
 Information given by author(s):Ingratae foetentinae
Not rare
Type : 61-106
 
 Host(s):Deciduous 
 Taxon name_Mycobank:
 
 Bibliography:
 

Macro-characters

 
Stipe
 Width of stipe:11 - 20 (25) 
 Veil:Absent 
 Form of base of stipe:Not radicate 
 Form of stipe:Infl. at top/base/straight 
 Context of stipe:Partly hollow 
 
Main color(s) of stipe::
grey/black yes
brown yes
white no
yellow/cream variable
blue no
 
orange no
red/pink yes
purple/vinaceous no
green no
   
 
 Length of stipe:19 - 55 
 
Pileus
 Type of pileipellis:Smooth to squamose or both 
 Striations of pileus:Weak to strong or both 
 Viscosity of pileus:Viscid/viscous even if dry 
 Form of center of pileus:Concave/depressed 
 Separability of pileus:Nil to medium or both 
 
Thickness of flesh of pileus
 Thickness of flesh of pileus:Thick 
 
Main color(s) of pileus::
grey/black no
brown variable
white variable
yellow/cream yes
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Diameter of pileus:40 - 95 
 
Lamellae
 Spacing of lamellae:Distant 
 Number of lamellulae:Variable or equal number 
 Furcation of lamellae:Everywhere (min 3 to 4/carp.) 
 Color of ridges of lamellae:Fully concolorous with faces 
 Attachment of lamellae:Free/decurrent 
 Type of lamellar ridges:Entire/smooth 
 
Main color(s) of lamellae::
grey/black no
brown variable
white no
yellow/cream yes
blue no
 
orange no
red/pink no
purple/vinaceous no
green no
   
 
 Height of lamellae:4 - 10 
 Odor:Strong and unpleasant/pleasant 
 Flavor of flesh:Bitter to burning or both 
 
Color changes
 Fruit body turns green/blue with age:Not turning green/blue 
 Fruit body turns red if touched/cut:Not turning red 
 Fruit body turns yellow-brown with age:Entire fruit body 
 Fruit body turns br. yellow if touched:Not turning bright yellow 
 Fruit body turns black with age/touched:Not blackening 
 Fruit body turns grey with age:Not turning grey 
 
Chemical reactions
 FeSO4 test on flesh:Pink/pink-orange/brown-grey 
 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
   
 
 
Main color(s) of Exsiccata::
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:6.5 - 7.7 
 Width of spores:5.3 - 5.7 
 Amyloid plage:Absent 
 Appearance of spores verrucae:Tips acute/sharp/pointed (/) 
 Ornamentations in surface view:Irregular 
 Connection(s) between verrucae:Crest like/joined fine lines 
 Overall appearance of spores:Not reticulate 
 Height of verrucae:0.5 < x < 2 µm 
 Color of spore deposit:6 
 Pictures from Romagnesi, 1967_Link:
  • 3\210a.jpg
 
 
Basidia
 Length of basidia:35 - 60 
 Width of basidia:8.5 - 10 (11.5) 
 Number of sterigmata per basidium:Four 
 
Pleurocystidia
 Length of pleurocystidia:57 - 80 
 Width of pleurocystidia:7.5 - 9 
 Thickness of wall of pleurocystidia:Thin (all structures < 2 µm) 
 Shape of apices of pleurocystidia:Variable 
 
Pleurocystidia abundance::
absent no
very dispersed 0-350/mm² ?
dispersed 350-700/mm² ?
 
rather abund 700-1500/mm² ?
abundant 1500-3000/mm² ?
very abundant >3000/mm² ?
 
 
Marginal cells
 Length of marginal cells:0 
 Width of marginal cells:0 
 
Subhymenium
 Thickness of subhymenium:40 - 45 
 Subhymenium:Pseudoparenchymatous 
 Differentiation of supra and subpellis:Obvious 
 Size of cells in supra and subpellis:Same in size 
 Gelification of subpellis:Strongly gelified 
 
Pileocystidia
 Width of pileocystidia:4 - 5 
 Location of pileocystidia:Suprapellis 
 
Hyphae of pileus
 Diameter of subpellis hyphae:2 - 3.5 (6) 
 Diameter of ends of pileipellis hyphae:2.5 - 4.5 
 Diameter of primordial hyphae:0 
 Wall of hyphae of pileus:Thin (<1 µm) 
 Filamentous hyphae of pileus:Absent