20 RANUNCULACE^. 



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

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



19. R. parviflorus, L. 



R. hirsutus a7inuus fi. minimo, Bay (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 ; Blackst. Fasc. 84. Page's 

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

 III. In a lane near Thistleworth ( = Isleworth), Mr. Doody ; Pet. Midd. 

 VII. [About Hackney; Blackst. Spec. 80.] [Kentish Town; Mart. App. 

 P. C. 72.] 

 First record : Boody, 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. Eui slip Moor. Pinner, 'introduced,' 

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

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



III. By the Thames, Twickenham. By the Cran, Hounslow Heath. 



Duke's Eiver, Isleworth. 



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



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

 plant). 

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

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



C. Chierangerii, 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; Blackst. 

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

 Bon Bichlam. Plants, i. 44. Eeferred to var. /3. Guerangerii, by Syme 

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

 with it in Middlesex. 



HELLEBORUS, Linn. 



21. B. vlridis, 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. February — April. 



