118 ANNUAL REPORT. 
NeEckERA, Hédw. 
pennata, Hedw. 
Cimaorum, Web. and Mohr. Tree Moss. 
Americanum, Brid, , 
Hypnvum, Dillenius. 
tamariscinum, Hedw. 
gracile, Br. and Sch. 
triquetrum, Linn. 
uncinatum, Hedw. 
crista-castrensis, Linn. 
molluscum, Hedw. 
Haldanianum, Grev. 
pratense, Koch. 
nitens, Schreb. 
rutabulum, Linn. 
polymorphum, Br. and Sch. 
HEPATIC. Liverworts. 
MARCHANTIA, Linnzus. Brook Liverwort. 
polymorpha, Linn. 
TRICHOCOLEA, Nees. 
Tomentella, Nees. 
MASTIGOBRYUM, Nees. 
trilobatum, Nees. 
Crass II. Gymnospore. (Spores naked.) 
LICHENES. 
UsneA, Dillenius. 
barbata, Fr. 
EVERNIA, Acharius. 
jubata, Fr. 
prunastri, Ach. 
RaMAutina, Acharius. 
calicaris, Fr. 
CreTRARIA, Acharius. 
ciliaris, Ach. 
PELTIGERA, Hoffman. 
rufescens, Hoffm. 
PaRMELIA, Acharius. 
tiliacea, Ach. 
caperata, Ach. 
conspersa, Ach. 
parietina, Fr. 
chrysophtalma, Ach. 
stellaris, Waltr. 
obscura, Fr. 
cerina, Ach. 
CLADONIA, Hoffmann. 
cespiticia, Floerk. 
pyxidata, Fr. 
rangiferina, Hoffm. Reindeer Moss. 
Floerkiana, Fr. 
BIATORA, Fries. 
Tuckermani, Fr. 
UMBILICARIA, Hoffmann. 
Muhlenbergii, Ach. Tripe de Roche. 
