Journal of the Mitchell Society [^June 



3. Surface squamulose, slate gray to smoke gTa,y..L.griseus (38) 



3. Surface squamulose, grayish vinaceous L. griseus. 



Form A (38a) 



3. Surface squamulose, reddish or yellowish brown. L. helvus (36) 



4. Texture extremely tough, margin strongly 



cracked, gills thick, very distant L. lentus (47) 



4. Cap squamulose-warted or floccose-squamulose. .5 



4. Cap cracked all over into minute areas L. rimosellus (49) 



4. Cap not squamulose or cracked 6 



5. Cap slate gray to smoke gray L. griseus (38) 



5. Cap grayish vinaceous L. griseus. 



Form A (38a) 



5. Cap reddish or yellowish brown L. helvus (36) 



6. Surface pruinose, gills distant L. liygrophoroicles (44) 



6. Surface velvety 7 



6. Surface not velvety 8 



7. Gills distant L. Gerardii (42) 



7. Gills not distant L. corrugis (45) 



8. Cap sparingly coarse tomentose L. lanuginosus (20) 



8. Cap glabrous 9 



9. Odor aromatic, surface not cracked L. camphoratus (48) 



9. Odor not aromatic 10 



10. Milk very abundant, sticky, cap usually rugose..!/. voiemMs (43) 



10. Milk not so abundant 11 



11. Cap sordid brown L. cyathulus (32) 



11. Cap ochraceous-buff or tawny, tall slender plant.!/, sp..^ (page 59) 

 11. Cap pinkish tan to wood brown L. subdulcis (50) 



11. Cap light buff; low, broad plant L. quietus (31) 



12. Cap white or creamy (brownish-cream in a form 



of L. chrt/sorheus) 13 



12. Cap not white 18 



13. Surface glabrous, even on margin 14 



13. Surface not glabrous 15 



14. Not zonate, flesh thin, gills very crowded, only 



1 mm. wide L, pergamenus ( 2 ) 



14. Not zonate, flesh thick, gills 2-3 mm. wide L. jnperatus (1) 



14. Zonate, brownish-gray L. circellata (18) 



14. Zonate, brownish-cream L. chrysorheus. 



Form A (30a) 



15. Surface velvety tomentose 16 



15. Surface slightly tomentose, brownish-gray, 



zonate L. circellatus (18) 



15. Surface glabrous except on margin L. deceptivus (6) 



16. Gills distant L. vellereus ( 3 ) 



