POLYPODIUM 6l I 



Var. ELEVATA (Aspidium spinulosum, var. elevaium, Braim in Doell, 

 Rhein. Fl. i8), occurs at Cothill, Sandhurst, &c. 



Var, EXALTATA {A. exaltatnm, Lasch. in Verh. Prov. Brand, ii. (i860) 

 79), see Rabenh. 1. c. 431 and 437, is a form with darker-coloured fronds 

 and more curved sides to the lamina, which is found in damp woods, 

 as at Wytham, Sandhurst, Windsor Park, &c. 



D. spinulosa is recorded for all the bordering counties except Wiltshii'e. 



D. dilatata, Asa Gray, Man. U. S. 631 (1848'. Broad Shield Fern. 



Lastrea dilatata, Presl, Tent. Pterid. 77 (1836). Aspidium dilatatum, 

 Sm. Fl. Brit. iii. 1125 (1804% and E. B. 1461. Polypodium dilatatum, 

 Hoffm. Deutsch. Fl. ii. 7 (i795\ Nephrodium dilatatum, Desv. in 

 Ann. Soc. Linn, de Paris, vi. (1827) 261. 

 Top. Bot. 517. Syme, E. B. xii. 82, t. 1857. Nyman, 866. Fl. Oxf. 361, 

 Native. Sylvestral. Woods, thickets, and heaths. Local. P. July- 

 September. 

 First record. Filix ad ramosam accedens j^ahcstris, muscosa lanugine aspersa, 

 piyinidis acutiorihus, nobis. In locis paludosis praesertim solo 

 putrido, non solum circa Oxoniam sed et aliis comitatibus Angliae 

 provenit, {Bobart) Morison, Hist. Ox. iii. 579, 1699. 



1. Isis. Wytham Woods. Cumnor. Appleford. Buscot. Buck- 



land. Pusey. 



2. Ock. Bagley Wood, Baxter, Stirp. Crypt. Ox. 1825. Powder Hill 



Copse, Boswell. Marcham, Walker. Hen Wood. Tubney. Fril- 

 ford. Cothill. Wittenham. 



3. Pang. Cold Ash Common. Oare. Basildon. Unwell Wood. 



Fence Wood. Bucklebury. Hawkridge Wood. Ashampstead. 

 Ashridge Wood. Plentiful on hazel stumps in a pond near 

 Tilehurst. Near Tidmarsh. 



4. Kennet. Newbury, Bicheno. Mortimer, Tufnail. Greenham 



Common. Inkpen. Snelsmore. Wickham. Wasing. Brimp- 

 ton. Padworth. Ufton. Burghfield. Hampstead Marshall. 

 Silchester Aldermaston. 



5. Loddon. Wellington College. Sandhurst. Blackwater. Finch- 



ampstead. Risely. Long Moor. Wokingham. Bearwood. 



Early. Bulmarsh. Coleman's Moor. Bracknell. Easthamp- 



stead. Binfield. Windsor Park. Cranbourn Chase. Ashley 



Hill. Bowsey Hill. Waltham. 

 Var. TANACETiFOLiA {Po'ystichum tanaceti/oUum, DC. Fl.Fr. ii. 562), occurs 

 at Wytham, Aldermaston, Fence Woods, Mortimer, Sandhurst, &c. 

 D. dilatata is recorded for all the bordering counties. 



POLYPODIUM, Linn. Gen. n. 1043 (Tournefort, Inst. t. 3i6\ 



P. vulgare, Linn. Sp. PL 1085 (1753), and of C. B, Pin. Common 

 Polypody. 



B r 2 



