74 PLANTS OF RHODE ISLAND. 



CLADONIA, Hoffm. 



1. alcicornis, (Lightf.) Floerke. On light soils. 



2. cariosa, (Ach.) Spreng. On ground. 



3. pyxidata, (L.) Fr. On old stumps and ground. 



4. fimbriata, (L.) Fr. In same places. 



b. tubaeformis, Fr. In same places. 



5. degenerans, Fl. On the ground. 



6. gracilis, (L.) Nyl. On the ground. 



a. verticillata, Fr. On the ground, 

 c. elongata, Fr. On the ground. 



1. cornuta, (L.) Fr. In Herb. Olney. 



8. Papillaria, (Ehrb.) Hoffm. On sandy soil. 



9. cenotea, (Ach.) Schaer. On old stumps. 



b. furcellata, Fr. On old stumps and earth. 



10. furcata, (Huds.) Fr. On old logs and earth. 



a. crispata, Fr. On the ground. 



b. racemosa, Fr. On the ground. 



c. sublllata, Fr. On the ground. 



11. rangiferina, (L.) Hoffm. On sterile soil. 



a. On the ground. 



b. sylvatica, L. On the ground. 



c. alpestris, L. On stony land. 



12. uncialis, (L.) Fr. On the ground. 



b. adunca, (Auctt.) On the ground. 



13. Boryi, Tuckerm. On the ground. 



14. COrnucopioides, (L.) Fr. On the ground. 



15. macilenta, (Ehrb.) Hoffm. On old stumps and on the earth. 



16. cristatella, Tuckerm. On rotten wood and ground. 



b. ochrocarpa. In same places. 



CYST O COL EUS, Thwaites. 

 rupestris, (Pers.) Rabenh. Dr. Farlow. 



B^OMYCES, Pers., Nyl. 



1. roseus, Pers. On the earth. 



2. byssoideus, (L.) Fr. On the earth. 



BIATORA, Fr. 



1. exigua, (Chaub.) Fr. On trees. 



2. lucida, Fr. Sometimes fertile, on stone walls. 



3. rubella, (Ehrb.) Rabenh. On trees. 



var. Schweinitzii, Tuckerm. 



4. anthrocephala, Nyl. On trees. 



LECIDEA, (Ach.)Fr. 



1. contigua, Fr. On rocks. 



2. enteroleuca, Ach. On trees. 



3. melancheima, Tuckerm. On trees and fences. 



