56 Botany. 



N.O. 4. BERBERIDACEM. 



51. BERBERIS vulgaris, L. (BARBERRY), 5 6, Shrub ; hedges 

 and woods ; rare. It is attacked by the spores of the Corn 

 Rust (PucciNiA GRAMINIS), which produces cluster-cups on 

 the leaves (^ECIDIUM BERBERIDIS). 



1. Belvedere (F. M. Webb) ; Dartford (Jackson). 



2. Meenfield Wood, on W. side of Darenth Valley, 



Shoreham, '05. W.H.G. 



3. One bush, roadside, nr. W. Wickham Stn. F.M.R. 



4. St. Pauls Cray Common, '07. C.H.G. 



a. One pi. Hayes Com., '97. Sc. (now gone, '06.). 



NOTE. The generally cultivated Barberry, with pinnate leaves 

 and without spines is Mahonia. 



N.O. 5. MAGNOLIACE&. 



There are some splendid Magnolias in Greenwich Park ; 

 also a fine Tulip-tree (LIRIODENDRON), 60 feet high. 



N.O. 6. LAURACEM. 



Several sp. of Laurus are cultivated in parks and gardens. 

 L. NOBILIS is the Bay Laurel. The Cherry Laurel, so often 

 planted in front gardens, is PRUNUS LAUROCERASUS (RosA- 

 CE^E), which flowers freely in plantations on the Lower 

 Tertiaries (Hayes Common, Bexley). 



ALLIANCE VII. RHCEADALES. 



N.O. 1. PAPAVERACE.E (including the Fumariacece). 

 A. PAPAVEROIDE^: (PAP AVERAGES, B. & H.). 



65. CHELIDONIUM majus, L. (GREATER CELANDINE), 5 8, P. 

 Denizen, hedges ; common, but invariably a garden escape, 

 having once been cultivated for medicinal purposes. 



1. Keston, '05 ; Shoreham, '06. W.H.G. 



2. Lanes nr. Darenth, '02. J.F.B. 



3. Nr. Hayes, '97. Sc. 



(20) PAP AVER, L. 



56. P. somniferum, L. (OPIUM POPPY), 6 7, A. Colonist. 

 The Indian Poppy is pure white ; this form, though intro- 

 duced, is blotched with purple ; v. com. in chalky arable 

 fields. 



