66 PLANTS OF RHODE ISLAND. 



Okdek 109. HEPATIC^, (Musci hepatici.) 

 RICCIA, Mich. 



1. lamellosa, Raddi. Damp wood paths in light soil. 



2. arvensis, Austin. Shady sterile earth. 



3. lutescens, Schwein, In ditches infertile. 



4. fluitans, L. & vars. In standing water and by ditch sides. 



5. natans, L. Stagnant places. 



MARCHANTIA, Raddi. 

 polymorpha, L. Shady damp spots. 



PREISSIA, Corda. 

 hemisphaerica, Cogn. In moist places. 



P. commutata, Nees. 



GRIMALDIA, Raddi. 

 barbifrons, Bisch. On the ground in fields. 



ASTERELLA, Beauv. 

 hemisphaerica, (Raddi.) By brook sides. 



RebouUa, — , Raddi. 



CONOCEPHALUS. Neck. 

 conicus, (Corda.) Damp shady spots. 



Fegatella, — , Corda. 



FIMBRIARIA, Nees. 

 tenella, Nees. In damp shades. 



LUNULARIA, Mich, 

 cruciata, Dmtr. In hot beds around greenhouses. 



L. vulgaris, Mich. 



ANTHOCEROS, L. 



1. laevis, L. In wet places. 



2. punctatus, L. In wet places. 



NOTOTHYLAS, Sull. 



1. orbicularis, Sull. In damp spots. 



2. melauospora, Sull. In moist ground. 



ANEURA, Dmtr. 



1. multifida, Dmtr. In wet places. 



2. palmata, Nees. On rotten stumps. 



3. sessilis, Spreng. ? C. F. Austin. 



4. pinguis, Dmtr. Among mosses and Peltigeras. 



5. pinnatifida, Nees. C. F. Austin, 



