CATALOGUE OF PLANTS. 119 

G. Pennsylvanica, Schwaegr. 
On rocks. Band S, common. 
RACOMITRIUM, Brid. 
R. aciculare, Brid. 
On wet rocks. Band S, occasional. 
R. Sudeticum, Bruch & Schimp. 
On rocks. B, M and S, occasional. 
HEDWIGIA, Ebrh. 
H. ciliata, Ebrh. 
On rocks. B, Mand S, common. 
DRUMMONDIA, Hook. 
D. clavellata, Hook. 
On trees. JB, rare. 
ULOTA, Mohr. 
U. Ludwigii, Brid. 
On trees. Band S, common. 
U. crispula, Brid. 
On trees. Band 8, rare. 
U. Hutchinsiz, Schimp. 
On rocks. B, M and S, common. 
ORTHOTRICHUM, Hedw. 
O. cupulatum, Hoffm., var. minus, Sulliv. 
On rocks. S, rare. 
O. sordidum, Sulliv. & Lesq. 
On trees. Band S, common. 
O. strangulatum, Beauv. 
On trees. Band S, occasional. 
TETRAPHIS, Hedw. 
T. pellucida, Hedw. = 
On decayed trees. Band S, common. 
