Subgenus 4, — T richoloma. 
Agaricus (Tricholoma) personatus, Fr. In pastures, Mountville. 
A. (Tricholoma) albus, Fr. In woods, Chestnut Hill. 
A. (Tricholoma) luridus, Schaeff. In woods, Glen Manor 
Subgenus 5. — C litocybe. 
Agaricus (Clitocybe) laccatus, Scop. In woods, Mountville. 
Subgenus 61 — C ollybia, 
Agaricus (Collybia) stipitarius, Fr. On trunks of trees, Crow Hill. 
Subgenus 7. — M y c e n a . 
Agaricus (Mycena) purus, P. Among leaves, Crow Hill. 
Subgenus 8. — O m p h a l i a . 
Agaricus (Omphalia) pyxidatus, Bull. On grass, Mountville. 
Subgenus 9. — P l e u r o t if s . 
Agaricus (Pleurotus) dryinus, P. On willow trees, near Mountville. 
A. (Pleurotus) ostreatus, Jacq. On dead trunks of trees, Crow Hill. 
A. (Pleurotus) mitis, P. On dead limbs of June cherry, Mountville. 
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Subgenus 19.— >-N aucoria. 
Agaricus (Naucoria) semiorbicularis, Bull. In pastures, Glen 
Manor. 
A. (Naucoria) pediades, Fr. In pastures, Crow Hill. 
Subgenus 21. — C repidotus. 
Agaricus (Crepidotus) mollis, Schaeff. On stumps, Crow Hill. 
A. (Crepidotus) Rubi, B. On dead sticks, Reinhold’s. 
A. (Crepidotus) variabilis, P. On branches of trees, Seitz’s Woods, 
Manor township. , 
Series 4. — P RATELLA. 
Subgenus 22. — P salliota. 
Agaricus (Pratella) campestris, L. In fields, Chestnut Hill. 
A. (Psalliota) arvensis, Schaeff. Horse mushroom, in fields, Mount- 
ville. 
A. (Psalliota) semiglobatus, Batsch. In barnyards, Mountville. 
