( 52 ) 



47. populeum, L. Rocks, and trunks. 



48. Novae- Angfliae, Salliv. & Lesqx. Swamps. 



49. stellatum, Schreb. Bogs and marshes. 



50. polymorphum, Bryol. Europ. Moist clayey banks. 



51. hispidulum, Brid. Base of trees on dry places. 



52. dimorphum, Brid. Dry shaded rocks. 



53. adnatum, Hedw. Base of trees, and on stones. 



54. serpens, Hedw. Rocks, and decaying logs. 



55. radicale, Brid. Rocks, and decaying logs. 



56. orth.oclad.on, Beauv. Wet springy places. 



57. riparium, Hedw. Swamps, and on stones in rivulets. 



58. Lescurii, Sulliv. "Wet rocks. 



59. denticulatum, L. Swamps, and moist rocks. 



60. Muhienbeckii, Bryol. Europ. Rocks, and ground. 



61. sylvaticum, L. Rocks in mountains. 



62. Sullivantiae, W. P. Schimp. Rocks in dense woods. 



Order 105. HEPATIC-ffi. Liverworts. 



(By C. C. Frost.) 



1. E.ICCIA, Mich. 



1. natans, L.. Floating on stagnant waters. 



2. fluitans, L. Floating on stagnant waters. 



3. lutescens, Schw. Low moist grounds. 



2. ANTHOCEEOS, Mich. 



1. punctatus, L. Wet slopes, sides of ditches. 



2. laevis, L. Wet slopes, sides of ditches. 



3. MARCHANTIA, L. 

 polymorpha, L. Shady moist places. 



4. FEGATELLA, Raddi. 

 conica, Corda. Springy places. 



5. REBOTJLIA, Radd. 

 hemisphaerica, Radd. Shady moist places. 



6. FIMBRIARIA, Nees. 

 tenella, ISTees. Shady places. 



7. METZGERIA, Radd. 

 furcata, Xees. Rocks, and bark of trees. 



8. ANEURA, Dumort. 



1. palmata, ISTees. Rotten logs. 



2. multifida, Dumort. Moist rocky banks. 



9. PELLIA, Radd. 

 epiphylla, iSTees. Moist shady places, on the earth. 



