Botany. 189 



Series II. Homosporous Ferns. 



N.O. 1. OSMUXDACEM. 



1906. OSMUNDA regalis, L. (ROYAL FERN), 68. Boggy heaths 

 and copses, extirpated. 



a. Hayes and Keston Commons, 1840. 



b. Chislehurst Common, 1787. 



c. First record, 1722 : In a bog at the backside of Wool- 



wich near the Warren. 



1866. PTERIS aquilina, L. (BRACKEN), 7 8. Heaths, commons, 

 dry banks and woods ; a calcifuge ; very common. 



N.O. 2. POLYPODIACEM. 



1868. BLECHNUM spicant, With. (LOMARIA, Desv.), 78. Heath- 

 borders, banks, damp woods on a sandy or peaty soil ; 

 very scarce. 



1. Roadside runnels, Ide Hill, '04. W.H.G. 



a. First record, 1725 : Shooter's Hill. 



1871. ASPLENIUM adiantum-nigrum, L. 69. Rocks, walls and 

 hedgebanks : very scarce in our districts, but not uncommon 

 on the Greensand. 



1874. A. trichomanes, L. 5 10. Walls and rocks ; rare and local ; 



almost extinct. 



1875. A. ruta-muraria, L. (WALL-RUE), 6 9. Frequent on old 



walls. 



1. Flint walls of alley, near pond, leading to meadow 



footpath in Down Village, '04. W.H.G. 



2. Brick tomb in Cudham Churchyard, '01. W.H.G. 



3. Roadside walls between Polhill and Sevenoaks, '04. 



W.H.G. 



1878. ATHYRIUM fllix-foemina, Roth. (ASPLENIUM, B. & H.), 

 LADY FERN, 6 7. Damp copses and hedgebanks ; fairly 

 frequent except on the chalk. 



a. First record, 1746 : Chislehurst bog. 



1881. CETERACH officinarum, DC. (ASPLENIUM CETERACH, L.), 



4 10. Old walls ; local, probably extinct in the district. 



1882. PHYLLITIS scolopendrium, Xewm. (SCOLOPEMHUIU VUL- 



GARE, Sm.), HART'S TONGUE, 7 8. Damp shady places, 

 probably extinct near London. 



