262 AMENTIFERiE. 



III. A large tree by the Thames, near Eichmond Bridge. 



IV. Bishop's Wood, Hampstead. 

 VI. Edmonton. 



Pirst record: BlacJcstone, 1737. Much planted, especially in London, in 

 the parks and squares, along with P. monilifcra, P. balsamifera, P. 

 angulata, &c., of North American origin. 



[MYEICA, Linn. 



630. M. Gale, L. Butch or Bog Myrtle. 

 Myrtus Brabatitica sen Elaagnus Cordi (Ger., Merr.). 

 Cyb. Br. ii. 408. Syme E. B. viii. t. 1298. 



Heaths ; very rare. Shrub. May. 

 II. By Colbrooke; Gcr. 1228. 

 III. On Hunslow Heath ; Merrett, 82. 



First record: Gerarde, 1597; last, Merrett, 1666. It is with some hesi- 

 tation that we include this plant. It is not found in Herts, Essex, or 

 Buckinghamshire, but its occurrence in abundance on Bagshot Heath, 

 Surrey, much lessens the improbability of its former existence in the 

 somewhat similar district of Hounslow Heath.] 



BETTILA, Linn. 



631. B. alba, L. Birch. 

 Cyb. Br. ii. 380. 



Woods and heaths ; rather rare. Tree. May. 



1. B. verrucosa, Ehrh. 

 Syme E. B. viii. t. 1295. 



II. Fulwell. 

 III. On and near the Drilling Groimd, Hoimslow. Whitton Park inclosure. 

 V. Near Hanwell ! ; Warren. 



2. B. ghitinosa. Fries. B. pubescens, Ehrh. (L. Cat.). 

 Betula, Lob. (Johns., Blackst.). Syme E. B. viii. t. 1296. 

 I. Harefield!; Blackst. Fasc. 10. 



IV. Hampstead Heath ; Johns. E?ium. Bishop's Wood ! ; Warren. 

 First record: Johnson, 1632. An exotic species, often planted, is some- 

 times mistaken for the indigenous Birch. 



ALNUS, Tourn. 



632. A. ^lutlnosa, Gaertn. Alder. 

 Ahius, Ger. (Blackst.). 



Cyb. Br. ii. 380 ; iii. 507. Syme E. B. viii. t. 1294. 

 Sides of streams, wet woods, &c. ; very common. Tree. March — April. 

 Throughout all the districts. 

 Vn. Banks of Lea. South Heath, Hampstead. 



