CATALOGUE OP PLANTS. 



119 



Q. Pennsylvanica, Schwaegr. 

 On rocks. B and 8, common. 



RACOMITRIUM, Brid. 

 R. aciculare, Brid. 



On wet rocks. B and S, occasional. 

 R. Sudeticum, Bruch & Schimp. 



On rocks. B, M and S, occasional. 



HEDWIQIA, Ehrh. 



H. ciliata, Ehrh. 



On rocks. B, M and 8, common. 



DRUMMONDIA, Hook. 

 D. clavellata, Hook. 

 On trees. B, rare. 



ULQTA, Mohr. 



U. Ludwigit, Brid. 



On trees. B and S, common. 

 U. crispula, Brid. 



On trees. B and 8, rare. 



U. Hutchinsise, Schimp. 



On rocks. B, M and S, common. 



ORTHOTRICHUM, Hedw. 

 O. cupulatum, Hoflm., var. minus, Sulliv. 



On rocks. S, rare. 

 O. sordidum, Sulliv. & Lesq. 



On trees. B and S, common. 

 O. strangulatum, Beauv. 



On trees. B and S, occasional. 



TETRAPHIS, Hedw. 

 T. pellucida, Hedw. 



On decayed trees. B and 8, common. 



