SI BSi t HON HYGROCYBl 171 



SERIES COCCINE1 I Fayod I slat. nov. 

 Subsection Coccinei Fayod, \nn. Sci. Nat. Ser. 7 I ( J 1 : 308. iss ( ). 

 Characters as given in ke\ to series, page L08. 

 Tvpe species: //. coccineus Fr. 



Kei ro Sri < ii s 



1. Spores globose to broadly ovoid - 



1. Spores oblong to ellipsoid 7 



2. Pilous color in yellow to rod series 3 



2. Pilous color buff to cinnamon or brownish to gra) 5 



3. Spores 4-5 X 3-5 fJ : pilous and stipe orange 90. //. aurantius 



3. Spores larger; pilous and stipo not as above 1 



4. Epicutis of pilous an epithelium of vesiculose cells (not a palisade) 



91. //. flavoluteus 



4. Epicutis of pilous of appressed hyphae 92. //. earlei 



5. Pileus olive brown to olive buff, lading to whitish, rugulose; lamellae 



becoming avellaneous 43. H. rugulosus 



5. Pileus buff to dingy cinnamon or grayer 6 



6. Spores 4-6 X 4-5 /* 46. //. schulzeri 



6. Spores 3-5 X 3-4 fx 93. //. deceptivus 



7. Spores about 18 X 10 p; pileus purplish red when fresh; lamellae sub- 

 distant 77. //. fintitt.s var. purpureas 



7. Spores (largest range in mount) smaller than above 8 



8. Pileus white or onlv the disc faintly yellowish 9 



8. Pileus more riehlv colored 11 



9. Taste bitter; spores 5-6.5 X 3—4 ^ 94. //. subaustralis 



9. Taste mild 10 



10. Spores 5-7 X 3-3.5 ^; stipe 1-2 mm thick .95. //. pseudoparvulus 



10. Spores 7-12 x 4-5.5 /x; stipe 6-8 mm thick 96. //. brevipes 



11. Pileus essentially red to reddish orange or ferruginous 12 



11. Pileus yellow, to buff, brown or fuscous 17 



12. Spores 8-13 X 6-9 p; stipe about 1 mm thick 97. H. roseus 



12. Not as above 13 



13. Stipe 1-3 mm thick 11 



13. Stipe 4-12 mm thick 15 



14. Pileus ferruginous; lamellae violaceous (see also //. purpureofolius, 



page 141) 98. //. troyanus 



14. Pileus brilliant scarlet; lamellae yellow to reddish 



99. H. mexicanus 



15. Stipe long and slender (10—12 cm X 6 mm) 100. //. ravenelii 



15. Stipe shorter lb' 



16. Lamellae white or tinged yellow 101. //. subcaespitosus 



16. Lamellae red to orange-yellow, basidia not dimorphic 



102. //. coccineus 



16. Basidia dimorphic see varieties of //. firmus 



17. Stipe 1-3 mm thick IS 



