PLANTS OF RHODE ISLAND. 85 



4. saccatum, Fr. 



5. coelatum, Vahl. 



6. giganteum, Batsch. 



SCLERODERMA, Persoon. 



1. vulgare, Fr. 



2. bovista, Fr. 



3. Texense, Berk. 



4. verrucosum, Pers. 



MITREMYCES, Schw. 

 lutescens, Schw. 



LYCOGALA, Mich, 

 epidendrum, Fr. 



BREFELDIA, Rostk. 

 maxima, (Fr.) Rostk. 



RETICULARIA, Bull, 

 lycoperdon. Bull. 



PHY S ARUM, Pers. 



1. cinereum, Batsch. 



2. Schumacheri, Rostk. 



TILMADOCHE, (Rostk.) 



1. nutans, Pers. 



2. mutabilis, Rostk. 



DIDYMIUM, Schrad. 

 clavus, A. & S. 



FULIGO, Persoon. 

 varians, Rostk. 



CHONDRIODERMA, Rostk. 

 radiatum, Rostk. 



DICTYDIUM, Schrad. 

 cernuum, Rostk. 



ARCYRIA, Hill. 

 punicea, Pers. 



TRICHIA, Hall. 



1. fragilis. Sow. 



2. chrysosperma. Bull. 



