Hepciticce. 
133 
879. H. triquetrum , Linn. 
'With the preceding. Much less common. Usually 
sterile. 
HEPATIC2E. (LIVERWORTS.) 
JtlNGERMANNIACEiE. (SCALE MOSSES.) 
Erullania, Raddi. 
880. F. Ehoracensis , Lehrn. 
G-rowing on north side of trees. Common through¬ 
out the region. 
881. F. Asagrayana , Mont. 
With the preceding. Less common. 
Porella, Dill. 
882. P. platyphylla , Lindb. 
On stumps and rocks and at the base of trees in 
moist places. Common. 
Ptilidium, Nees. 
883. P. ciliare, Nees. 
A small specimen was collected along Mineral 
Point road six miles west of Madison. Rare. 
Lophocolea, Dumort. 
884. L. bidentata , Dumort. 
On decaying wood in moist places. Not rare. 
Anthocerotace^e. (Horned Liverworts.) 
Anthoceros, Micheli. 
885. A. loevis, L. 
G-rowing on the ground in moist, grassy places 
and on wet rocks. Not rare. 
Notothylas, Sulliv. 
886 . JY. orbicularis , Sulliv. 
G-rowing on the ground with the preceding. 
Marchantiaceje. (Liverworts.) 
Marchantia, Marchant. f. 
887. M. polymorpha , L. 
In damp, shady places; very common everywhere. 
