Botany. 193 



N.O. 2. POLYTRICHACE^E. 



CATHARINEA undulata, W. and M. (ATRICHUM). Moist shady 

 banks in woods ; very common ; winter. 



1. Abbey Wood ; Chislehurst, '77. H. 



POLYTRICHUM aloides, Hedw. (POGONATUM). Dry banks and 

 heaths ; winter. 



a. Blackheath, 1836. 



P. commune, L. Woods, heaths, and wet peaty places ; a very tall 

 and handsome moss ; frequent ; 6. 



1. Chislehurst, '77. H. 



2. Greenhithe, '01. G. 



P. formosum, Hedw. Dry woods and shady heathy places ; com- 

 mon ; 6. 



1. Dartford. W.R.S. 



a. Sydenham Common. Sowerby. 



P. juniperinum, Willd. Heaths and dry sandy waste places ; com- 

 mon ; 5 6. 



1. Bostall Heath, '77. H. 



2. Hayes Common. W.R.S. 



N.O. 3. DICRANACE&. 



PLEURIDIUM axillare, Lindb. (NITIDUM). Damp clayey earth in 

 woods ; fallow fields ; sides of pools ; winter ; not uncommon. 



1. Near small pond in Joyden's Wood, '77. H. 



2. Paul's Cray Common, '01. C. 



P. subulatum, Rabenh. (PHASCUM). Sandy heaths and banks ; 

 common ; 4 6. 



1. Abbey Wood, '77. H. 



2. Keston. W.R.S. 



DITRICHUM flexicaule, Hampe. (DIDYMODON, LEPTOTRICHUM). 

 Amongst short grass on chalky banks and in forsaken chalk 

 quarries ; only found in fruit in Perthshire. 



1. In an old chalk quany near Shoreham, very fine and 

 abundant, '77. H. 



D. homomallum, Hampe. Wet sandy places ; not common ; autumn. 

 1. Joyden's Wood, '77. G. 



