Rhode Island Plants. 23 



LICHENS. 



The following, with many other species of Lichens, are 

 found in the vicinity of Providence ! 



980. Bjeomyces roseus, Pers. 



981. CaLICIUM SPHiEROCEPHALUM, Ack. 



982. C. TYMPANELLUMj Acll. 



983. Ofegraphis scripta, Ach. 



984. Pertusaria communis, D. C. 



985. Lecidea el^ochroma, Ach. 



986. Lecanora subfusca, Ach. 



987. L. fulva, Schwz. 

 Parmelia, spec, multce. 



988. Sticta pulmonaria, Hook. 



989. Peltidea venosa, Ach. 



990. P. POLYDACTYLA, Ach. 



991. P. canina, Ach. 



992. Cetraria Islandica, Ach. 



993. Borrera ciliaris, Ach. 



994. B. CHRYSOPTHALMA, Ach. 



995. Alectoria jubata, Ach. 

 §. chalybeiformis, Ach. 



996. USNEA FLORIDA, Ach. 



P. rubiginea. 



997. U. barbata, Ach. 



998. Claydonia furcata, Hoffm. 



999. C. VERTICILLATA, Acll. 



1000. C. RANGIFERINA, Ach. 



1001. SCYPHOPHORUS COCCIFERUS, Hook. 



1002. S. cornutus, Hook. 



1003. S. bacillaris, Hook. 



