68 BORAGINACE^. 



Railway Embankment, Harrow ; Ruislip Wood, and by 

 the Reservoir, Ruislip ; way sides and pastures at Pinner. 

 A form with white flowers occurs plentifully on the bank 

 of Ruislip Reservoir. 



ORDER LVII. POLEMONIACE^. (.JACOB'S LADDER TRIBE.) 



POLEMONIUM. (Jacob's Ladder.} 



i. P. cceruleum.* L. (Blue Jacob's Ladder.) 



Bushy hilly places, rare. 7. 



In a plantation at Pinner Hill. No doubt a garden 

 escape. 



ORDER LVIII. CONVOLVULACE^E. (CONVOLVULUS TRIBE.) 



CONVOLVULUS. (Bindweed.) 



i. C. arvensis. L. (Small Bindweed.) 



Corn-fields, hedges, etc. 6, 7. 



Headstone Drive; Station Road, Harrow; Railway Em- 

 bankment ; corn-fields at Ruislip and Pinner. 



CALYSTEGIA. (Hooded Bindweed.) 



i. C. sepium. Br. (Great White Bindweed.) 

 Hedges. 6-8. 

 Commonly distributed. 



ORDER LIX. BOKAGINACE^E. (BORAGE TRIBE.) 

 PULMONARIA. (Lungwort.) 



I. P. officinalis.* L. (Common Lungwort.) 

 Woods and thickets. 5, 6. 



