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MUSCI. MOSSES. 



ORDER I. SPHAGNACE.E. (Boa Moss TRIBE.) 



SPHAGNUM. (Bog Moss.) 



1. S. cymbifolium. Ehrh. (Boat-leaved Bog Moss.) 

 Harrow Weald Common. 



2. S. acutifolium. Ehrh. (Long-leaved floating Bog 



Moss.) 

 Harrow Weald Common. 



ORDER II. BKYACE^. (THREAD Moss TRIBE.) 



SECTION I. ACROCARPI. Capsules terminal. 

 SUB-ORDER I. DICRANE^. (FORK Moss DIVISION.) 



DICRANUM. (Fork Moss.} 



1. D. varium. Hedw. (Variable Fork Moss.) 

 Harrow Weald. 



2. D. heteromallum. Hedw. (Silky-leaved Fork 



Moss.) 

 Harrow Weald. 



3. D. scoparium. Hedw. (Broom Fork Moss.) 

 Pinner Wood. 



