112 STATE HORTICULTUEAL SOCIETY 



Blasia, Mich. 



1419. B. pusilla, L. 



Abundant on dripping rocks. 



ANTHOCEROTACE^ ORDER. 



Anthoceros, Mich. 



1420. A. Icevis, L. 



On wet clay-banks; not common. 



1421. A. punctatus, L. 

 On low, wet banks. 



MARCHANTIACEjE order. 

 Marchantia, Linn. 



1422. M. polymorpha, L. 



Usually on rather moist banks and slopes, — sometimes 

 on hard-beaten soil and cinders. 



CONOCEPHALUS. 



1423. C. conicus, Dumort. 



Very common on moist banks. 

 Grimaldia, Raddi. 



1424. G. barbifrons, Bisch. 



Common on rocky banks and bluffs ; sometimes in very 

 barren places. 



ASTERELLA. 



1425. A. hemisphcerica, Beauv. 



Not rare on mossy, rocky banks. 

 Lunularia. 



1426. L. vulgaris, Raddi. 



Introduced. Common in the hot-house. 



RICCIACEuE ORDER. 

 RlCCIA, Mic. 



1427. B. frostii, Aust. 



Not common on mud-flats. 



1428. B. lutescens, Schwein. 

 Very common on mud-flats. 



1429. B. fiuitans, L. 



Common in ponds and on mud. 



