20 RANUNCTJLACE^. 



First record: Blackstone, 1737. This is usually only a roadside plant, 

 sprung from stray seed, but occasionally it becomes a cornfield pest. 



19. R, parviflorus, L. 



R. hirsiitus annutis fl. minimo, Eay (Pet. Blackst.). 

 Cyb. Br. i. 90; Comp. 35. Syme E. B. i. t. 37. 



Dry places and cornfields ; very rare. A. May, June. 

 I. Several places near Harefield, plentifully ; BlacJcst. Fasc. 84. Page's 

 Lane, Uxbridge, 1839, H. Kingsley ; Herh. Young. 

 III. In a lane near Thlstleworth ( = Isle worth), Mr. Doody; Pet. Midd. 

 Vn. [About Hackney; Blackst. Spec. 9>0.'\ [Kentish Town; Mart. App. 

 P. C. 72.] 

 First record : Doody, 1695. Not very recently met with. 



CALTHA, Linn. 



20. C. palustris, L. Marsh Marigold. 

 C. palustris major, Ger. em. (Blackst.). 



Cyb. Br. i. 91 ; iii. 374 ; Comp. 85. Syme E. B. i. t. 40. 



Banks of streams, wet fields, and marshes ; common. P. March — May. 

 I. Harefield!; Blackst. Fasc. 13. Rui slip Moor. Pinner, 'introduced,' 

 "W. M. H. ; Melvill, 4. Stream at Yewsley! ; Newh. 

 II. Staines. Bet. Hampton and Sunbury ! ; Newh. Teddington. 



III. By the Thames, T-wickenham. By the Cran, Hounslow Heath. 



Diike's River, Isleworth. 



IV. Hampstead Heath ! ; Johns. Eric. Hendon ; Harlesden Green ; Cole. 



Bog in Turner's Wood. Near Finchley ! ; Newb. (the small-flowered 

 plant). 

 V. Greenford; Cooper, 108. Hammersmith; Cole. 

 VI. Edmonton. The Alders, Whetstone (a small-flowered plant, but not 



C. Guerangerii, Bor.). 

 VII. Eel-brook Common, Parson's Green. Ken Wood pastures, abundant. 

 Side of London Canal, Hackney ; Cherry. 

 First record: Johnson, 1629. With double flowers; Harefield; BlacJcst. 

 Fasc. 13. C. riparia, Don ; on the banks of the Thames in marshes ; 

 Don Dichlam. Plants, i. 44. Referred to var. P. Guerangerii, by Syme 

 {E.B. i. 51.) Does not differ greatly from the type. We have not met 

 with it in Middlesex. 



HELLEBORTJS, Li7m. 



21. H. virldis, L. Bearsfoot. 



Cyb. Br. i. 94 ; iii. 376 ; Comp. 86. Curt. F. L. f. 6 (probably drawn 



from a Finchley plant). 

 Woods and copses ; very rare. P. Februarj'— April. 



