78 Botany. 



583. P. aucuparia, Ehrh. (MOUNTAIN ASH), 56. Woods and 



hedges ; gen. planted, sometimes bird-sown ; frequent. 



1. Hoi wood ; Hayes Common, '97. Sc. 



2. Bostall Heath, '00. C.H.G. 



3. Boarer's Wood, Abbey Wood, '03. R.H.C. 



584. P. communis, L. (WiLD PEAB), 4 5. Denizen or alien ; 



hedges, woods ; not common, and probably always bird-sown. 

 1. Chislehurst Common. Holmes. 



586. P. malus, L. (CRAB APPLE), 5. Common ; scent strongest at 



night ; visited chiefly by moths. 



var. a.) acerba, DC. THE TRUE CRAB. 



1. Nr. Avery Hill ; Eltham Common ; Mottingham 



Lane. Dod. 



2. Keston Common, '02. W.H.G. 



var. b.) mitis, Wallr., with large fls. ; probably always a 

 degenerate garden apple ; far more frequent than 



ACERBA. 



1. Down, '05. W.H.G. 



587. MESPILUS germaniea, L. (under PYRUS, H.), 56. Hedges 



and thickets ; very local. 



1. Giant tree near Mound, Greenwich Park. A.D.W. 



CYDONIA vulgaris, Pers. Two fruit-bearing trees in road- 

 side hedge of meadow, near Chelsfield village, pro- 

 bably bird sown from tree in a neighbouring 

 cottage garden, '07. W.H.G. 



AMELANCHIER canadensis, Torrey and Gray. 



1. Chislehurst Common, '03. A. 0. Hume. 



2. Greenwich Park. A.D.W. 



3. Hayes Common, '06. W.H.G. 



This N. Am sp. has been stated not to ripen its fruit in this 

 country, but as the shrub on Hayes Common was not 

 planted by human agency, and occurs in neighbouring pleasure 

 grounds, I doubt the accuracy of the statement. W.H.G. 



588. CRAT/EGUS oxyaeantha, L. (HAWTHORN), 5 6. Woods and 



hedges ; very common. 



var. a.) oxyacanthoides, Thuill. 



1. Crown Woods ; Plumstead Common ; Grove Park. Dod. 



2. Above Upper Hailing ; Strood ; Holly Hill, etc. 



var. b.) monogyna, Jacq. the more common form, especially 



in Kent. 



var. c.) laciniata, Wallr. Leaves more deeply cut than b). 

 1. Crown Woods ; E. Wickham ; Plumstead Marhses. Dod. 



NOTE. Kerria japonica, DC., is commonly planted in parks 

 and gardens, especially the double-flowered form. 



