Botany. 199 



W. mucronata, B. & S. (MOLLIA RUTILANS, Lindb.). Clay banks 

 under undershrubs or herbage ; rare ; 12 2. 

 1. Forest Hill, '77. G. 



W. tenuis, CM. (MOLLIA, GYMNOSTOMUM, GYROWEISIA). On in- 

 clined faces of chalk or sandy rocks ; rare. 

 1. On chalk, Leaves Green, '01. C. 



W. viridula, Hedw. (BRYUM, MOLLIA; W. CONTROVERSA, Hedw.). 

 Banks and sandy ground ; common ; 11 5. 



1. Greenhithe, '77. G. 



2. Hayes Common, '77. H. 



TRICHOSTOMUM tortuosum, Dixon (BRYUM, MOLLIA, BARBULA). 

 Rocks on the chalk ; rare. 



1. Between Shoreham and Eynsford on the side of a 

 chalk cutting. H. W. Mornington. 



N.O. 7. ENCALYPTACE& (sub-order of Pottiacea, Engler). \ 



ENCALYPTA streptocarpa, Hedw. (LEERSIA CONTORTA, Lindb.). 

 Chalky banks, on mortar of old walls ; not uncommon. 

 1. Morant's Court Hill, etc., '77. H. 



E. vulgaris, Hedw. (LEERSIA EXSTINCTORIA, Leyss.). Chalk 

 quarries, walls, sometimes on sandy banks ; rather rare ; 

 34. 



1. Cobham, '77. Mitten. 



2. Sandy bank, Keston Common, '77. T. H. 



N.O. 8. ORTHOTRICHACE&. 



ZYGODON viridissimus, R.Br. (BRYUM). On old trees ; common ; 3. 

 1. Abbey Wood, Chelsfield, Shoreham, Eynsford, '77. H. 



ORTHOTRICHUM affine, Schr. Trees, sometimes on stones ; com- 

 mon ; summer. 



1. Shoreham. W.R.S. 



0. anomalum, Hedw., var. saxatile, Milde. Chalk rocks and 

 walls ; frequent ; spring. 



1. On tiles of a shed by a chalk pit between Shoreham 

 and Morant's Court Hill, 1845. H. 



0. cupulatum, Hoffm. Calcareous stones and walls ; rare ; summer. 

 1. Same as anomalum. 



