BETULA 445 



Windsor Parke corner, Park. Theatr. 1640. Windlesham. Moor 

 near Bagshot, Rev. Br. Abbot in E. Bot t. 562, 1799. The above 

 localities may be in Surrey. 



4. Kennet. Golden Gully near Newbury, Mr. Biclmio in Mavor's 



Agr. Berks, 1809. Greenham Common, Rupert Jones. Still 

 abundant and in fine condition there, growing in damp places 

 where the clay has thrown out the moisture from the adjacent 

 porous strata. Near the Decoy Pond at Aldermaston. 



5. Loddon. Near Old Windsor Park corner, Parkinson. Bagshot, 



Abbot. (Possibly in Surrey.) Bagshot Heath near Blackwater, 

 Lightfoot MS. Finchampstead Leas. Sandhurst, near the 

 Military College. Ambarrow and Long Moor. Broadmoor 

 Bottom. Near Ascot. Owls Moor. Windsor Park. 

 An androgynous form was noticed near Sandhurst. 

 I have an impression that I have seen it in Oare Hill Wood, but 



I did not see it on my last visit. At present the plant appears to be 



confined to the Bagshot Sands of the Kennet and Loddon districts. 



It is absent from Oxfordshire, is not recorded for E. Gloucestershire, 



and is on doubtful record for Bucks and Wilts. 



CUPULIFEKAE, Eich. Anal. d. Fr. 32(1808). 

 BETULA, Linn. Gen. n. 933 (Tournefort, Inst. t. 350). 



B. alba, Linn. Sp. PI. 982 (1753). Birch. 



B. verrucosa, Ehrh. Beitr. v. 161, and vi. 98. Betiila, Gerard, 1295. 



Top. Bot. 372. Syme, E. B. viii. 181, t. 1295. Nyman, 672. Fl. Oxf. 276. 



Native. Sylvestral. Woods and thickets on light soil. Local. Tree. 

 April 1 3- May. 



IFirst record. B. alba. Not unfrequent, as it grows in all kinds of 

 soils, Mavor's Agr. Berks, 1809. 'I have often drank a beautiful 

 wine in this neighbourhood, sparkling like champagne, which is 

 made without sugar, water, or spirit, being merely the sap of the 

 birch tree, boiled with honey, and fermented with a little yeast. 

 The Birch grows abundantly about Bucklebury near here, so that 

 on the advance of spring these trees are tapped, and a hollow tube 

 inserted into the hole, through which the sparkling sap flows 

 drop by drop into a vessel placed below,' W. Heivett, East Ilsley, in 

 Phyi. 780, 1843. 



1. Isis. Wytham. Pare in this district, and ? always planted. 



2. Ock. Boar's Hill. Rare in this district, and probably only as 



a planted tree. 



3. Pang. Bucklebury, Hewetf. Fence Wood, Rogers. Sulham. 



Tidmarsh. De la Bere, Tufnail. Hermitage. Hawkridge Wood. 



4. Kennet. Aldermaston. Mortimer. Snelsniore. Hampstead 



Marshall. Inkpen. Templeton. Frequent in the heathy parts. 



