59 



Section Cornucopioides 



1. Stipe glabrous. 

 Stipe not glabrous. 



2. Pileus pallid. 



Pileus ochraceous, 6-IO cm.; lamellae fulvous. 

 Pileus dark brown. 



3. Pileus membranous, flaccid. 

 Pileus fleshy-coriaceous, rigid. 



4. Stipe striate ; pileus 5 cm. 



Stipe smootb ; pileus 7-8 cm., papery. 



5. Cespitose. 

 Not cespitose. 



6. Small ; pileus 2-3 cm.; stipe lanuginose. 

 Larger; pileus 7-10 cm.; stipe scaly. 



7. Pileus deeply infundibuliform or tubular. 

 Pileus convex or plane. 



8. Stipe straight, longer than the diameter of the pileus. 



Z. 

 Stipe curved, shorter than the diameter of the pileus. 



9. Lamellae separating from the stipe when dry. 

 Lamellae not separating from the stipe. 



2. 



5- 



3- 

 Z. patidus Lev. 



4- 



L.Jlaccidus Fr. 

 Z. glabralus Mont. 



Z. fuliginens B. & C. 

 L. exilis Klotzsch 



6. 



7- 



L. parvulus B. & C. 



Z. pallidus B. & C. 



Z. Robimonii Mont. 



Mancinianns Sacc. & Cub. 



9- 



Z. Cubensis B. & C. 



Z. proximus B. & C. 



Sections Pleuroti AND Resupinati 



1. Pileus dimidiate. 2. 

 Pileus resupinate. 9- 



2. Pileus strigose, velvety or scaly. 3. 

 Pileus glabrous. 5- 



3. Pileus thin, membranous, strigose, fusco-cervinous. L. pelliculosus (Schw. ) Fr. 

 Pileus thin, flabelliform, farinaceous-tomentose, white. Z. Verae-Crucis Berk. 

 Pileus soft, fleshy. 4. 



4. Pileus corrugated; spores 1.5-2//. 

 Pileus even ; spores 4 //, rough. 



5. Pileus white or whitish. 

 Pileus reddish or brownish. 



6. Pileus membranous ; lamellae closely crowded. 

 Pileus fleshy. 



7. Pileus very large and thick (15 cm.) ; odor none. 

 Pileus smaller, thin ; odor of Melilohis on drying. 



8. Pileus and lamellae reddish ; pileus glabrous, subrugose. Z. castorens Fr. 

 Pileus and lamellae reddish ; pileus glabrate, thinner. Z. castoreus pusillus B. & C. 

 Pileus pale fuscous ; lamellae paler. Z. castoreus hirneoloides B. & C. 



9. Pileus villous, cervinous, very thin ; lamellae pallid. Z. tennissimus (Schw.) Fr. 

 Pileus glabrous ; lamellae white. Z. proboscideus Fr. 



Z. vulpinus 



Fr. 



L. 



ursinus 



Fr. 



6. 

 8. 



L. pectinatus ( 



Schw. ) 



Fr. 



7- 



Z. Chama (Bosc) Fr. 

 Z. siiavissimns Fr. 



