PLANTS OF RHODE ISLAND. 67 



PELLIA, Raddi. 

 epiphylla, (Corda.) Nees. In damp ground. 



BLASIA, Mich, 

 pusilla, L. Ditches. 



STEETZIA, Lelim. 

 Lyellii, Lehm. Swamps. 



METZGERIA, Raddi. 

 myriopoda, Lindb. On rocks and trees. 



3f. furcata, Nees. 



POSSOMBRONIA, Raddi. 



1. pusilla, Nees. Damp spots. 



2. angulosa, Raddi. Wet places. 



FRULLANIA, Raddi. 



1. Eboracensis,* Gottsche. On rocks and trees. 



2. squarrosa, Nees. On trees. 



3. plana, .Sull. On rocks. 



4. Virginica, Gottsche. Generally on trees. 



5. Hutchinsise, Nees. var. On stones. 



6. Tamarisci, Nees. On trees. 



7. Grayana, Mont. On trees and rocks. 



LEJEUNIA, Lib. 



1. serpyllifolia, Lib. var. Americana. On wet rocks. 



2. echinata, Taylor. Ms. Found but once. 



L. calcarea, Lib. 



PHRAGMICOMA, Dmtr. 

 clypeata, (Schwein.) Sull. On rocks. 



Lejennia, — , Schwein. 



MADOTHECA, Dmtr. 



1. Thuja, (Dicks.) On rocks and trees. 



2. platyphylla, Dmtr. On trees. 



3. Porella, Nees. On rocks by brooksides. 



RADULA, Nees. 



1. complanata, Dmtr. On roots of trees. 



2. tenax, Lindb. On rotten stumps. 



B. pallens, Swtz. 



BLEPHAROZIA, Dmtr. 



cilaris, Dmtr. On rotten stumps. 



Ptilidium, Nees. 



TRICHOCOLEA, Dmtr. 

 tomentella, Dmtr. On earth and rotten logs. 



* This includes F. saxatilis, Lindbg. of SuUivant in Gray's Manual. 



