^ THE PRINCIPLES OF BOTANY. 
173 
Worcestershire. I have several times seen it there, as at Thorn- 
grove and Stanford” (E. L.). We have met with it at Burnham, 
in Bucks. 
Willow. —“ Occasionally, in a field north of Great Malvern” 
(E. L.). We have seen one instance in the Stroud Yalley, 
Gloucestershire. 
Ash. —“ Sometimes very profusely” (E. L.). We have never 
seen it in this tree. 
Medlar. —“ Met with one only at Eorthampton, Gloucester¬ 
shire” (E. L.). 
Birch. —We have seen one example of this in a wood near 
St. Briavels, in the Eorest of Dean, Gloucestershire. As nearly 
as we can recollect, it was a tree of about thirty summers. 
Hickory. —A specimen on hickory was sent to us from the 
estate of the late P. W. S. Miles, Esq., Kings Weston Park. 
List of Trees on which the Mistletoe grows in Hereford¬ 
shire. By H. Bull, Esq., M.D.* 
Apple tree [Pyrus mains domestica ) throughout the county. 
Apple tree or white poplar ( Populus alba); not common. 
Grey poplar (P. canescens); rare. 
Aspen (P. tremula) ; occasionally. 
Black poplar (P. nigra) ; rare. 
Black Italian poplar (P. monifera ); very freely. 
Canadian poplar (P. Canadensis ); very common. 
Ontario poplar (P. candicans); common. 
Hawthorn ( Crataegus Oxyacantha); not uncommon. 
Crab ( Pyrus mulus ); general throughout the county. 
Lime tree ( Tilia Furopeed ). 
Maple [Acer campestre ). 
White flowering acacia [Robinia pseud-acacia). 
Mountain ash ( Pyrus acuparia). 
Ash [Fraxinus excelsior). 
Common white willow ( Salix alba). 
Hazel ( Coryllus avellana). 
Pear tree [Pyrus communis). 
Oak ( Quercus robur). 
Alder [Alnus glutinosa). 
Bound-leaved sallow ( 'Salix caprea). 
Sycamore (Acer pseudo-platanus). 
Common dog rose [Rosa canina ). 
Medlar [Mespilus Germanica). 
Wych elm [Ulmus montana). 
* ‘Journal of Botany,’ vol. ii, pp. 365-6, 
