6l6 EQUISETACEAE 



H. palustre, Linn. Sp. PI. 1061 (1753), and of Lobel. Marsh Horsetail. 

 In the Linnaean Herbarium one specimen on the sheet of E. palustre 

 is E. arvense. 



Top. Bot. 533. Syme, E. B. xii. 157, t. 1892. Nyman, 860. Fl. Oxf. 356. 

 Native. Paludal. Marshy and boggy places, river-banks, &c. Not 



uncommon and widely distributed. P. June-August. 

 First record. Prope Bottle [Botley], April, Prof. Billenius in Herb. Oxf. 

 1744. Near Oxford, Sir Joseph Banks, in Herb. Brit. Mus. 1760. 

 1. Isis. Wytham Wood. Eynsham. Appleton. Buscot. Coles- 

 hill, &c. ^ 

 •2. Ock. Boar's Hill. Ferry Hinksey. South Hinksey. Kennington. 

 Radley. Cothill. Marcham. Frilford. Steventon. Hagborne. 

 3. Pang. Moulsford. Pangbourn. Bradfield. Bueklebury. Oare, &c. 

 ■i. Kennet. Abundant about Newbury. Greenham. Benham. 

 Kintbury. Chilton Foliat. Theale. Snelsmore. Burghfield. 

 Aldermaston. Padworth. Mortimer. 

 5. Loddon. Sonning Meadows, very fine, Tufnail. Coleman's Moor. 

 Wokingham. Bracknell. Wellington College. Sandhurst. 

 Easthampstead. Ascot. Windsor Park. Virginia Water. Bray. 

 Waltham. Shottesbrooke. Cookham, &c. 

 Vai'. NUDUM, Duby, Botan. Gall. 535 (1828;. Snelsmore Common. 

 Var. poLYSTACHiuM, Vill. Hist, PI. Dauph (1786), teste Milde, Mon. 

 Equis. 329. Near Wokingham, by the railway, Tvfnail. Near Sandhurst. 

 Var. vEKTiciLLATUM, A. Br.,/. longiramosa, Klinge. Wytham. 

 E. palustre occurs in all the bordering counties. 



•i:. limosum, Linn. Sp. PI. 1062 (1753). Smooth Horsetail. 



E. nudum laevius nostras, Ray, Syn. 131. E. Heleocharis, Ehrh. Hann. 

 Mag. (1783) 286. 

 Top. Bot. 533. Syme, E. B. xii. 159, t. 1893. Nyman, 859. Fl. Oxf. 356. 

 Native. Paludal, lacustral. Ditches, ponds, slow streams, prefei-ring 

 still water. Very common in the low-lying portion of the county. 

 P. June- August. 

 First record. In the ditches and wet meadows below Blewbury. In 

 Lower Farm Close, Mr. J. Lousley in Etissell's Cat. 1839. 

 1. Isis. Very abundant in Wytham Meadows, where intermediates 

 between it and the var. E. fluviatile, Linn., may be seen. Appleton. 

 Buscot. Buckland. Coleshill. 2. Ock. Kennington. Between 

 Abingdon and Radley, in the large meadow, especially luxuriant 

 with all intermediate conditions. Marcham. Wittenham. 

 Steventon. Uffington. 3. Pang. Moulsford. Pangbourn. 



Tilehurst. Bradfield. 4. Kennet. Southcote. Theale. 



Newbury. Kintbury. Hungerford. Benham. Thatcham. 

 Hampstead Marshall. Aldermaston. Mortimer. 5. Loddon 



