PLANTS OF IOWA 111 



BRYOPHYTES. 



HEPATICAE. LIVERWORTS. 



JUNGERMANNIACE.ffi ORDER. 



FRULLANIA, Raddi. 



1409. F. virginica, Lehm. 



On the bark of trees, usually near the base, on low 

 grounds; not common. 



1410. F. eboracensis, Lehm. 



On the bark of trees, near base, and on sandstone ; very 

 common. 



1411. F. ceolitis, Ness. 



On sandstone ; not common. 



1412. F. squarrosa, Nees. 

 Common on limestone bluffs. 



PORELLA. 



1413. P. pinnata, L. 

 Rare. 



1414. P. platypliylla, Lindb. 



Very common on mossy banks. 

 PTILIDIUM, Nees. 



1415. P. ciliare, Nees. 



On rotten logs ; not rare. 

 LOPHOCOLEA, Nees. 



1416. L. heterophylla, Nees. 



Very common on mossy banks. 



CHILOSCYPHUS, Corda. 



1417. C. polyanthos, Corda. 



Common in moss on moist banks, rotten logs. 



JUNGERMANNIA, Linn. 



1418. J. ventricosa, Dicks. 



On moist banks ; in moss and on Anthoceros. 



