GENTIANACE^. 67 



FRAXINUS. (Ash.) 



i. F. excelsior. L. (Common Ash.) 

 Woods and hedges. 4, 5. 

 Not unfrequent. 



ORDER IN. APOCYNACEJ3. (Doa's BANE, OR PERIWINKLE TRIBE.) 



VINCA. (Periwinkle.) 



1. V. minor. L. (Lesser Periwinkle). 

 Hedges and banks in woods. 4-6. 



Abundant in the Grove, Harrow, and Bentley Priory 

 Woods, near Stanmore. The white-flowered variety has 

 been planted outside Harrow Chapel. 



2. V. major.* (Greater Periwinkle.) 

 Woods and thickets. 4, 5. 



Hedge in Horsington Lane, suspiciously near some 

 cottages, and Station Road, Harrow. This plant is pro- 

 bably not indigenous. 



ORDER LVI. GENTIANACE.E. (GENTIAN TRIBE.) 



CHLORA. ( Yellow-wort.) 



I. C. perfoliata. L. (Perfoliate Yellow-wort.) 



Dry, chalky, or sandy ground. 7-9. 



Road sides near Pinner Hill. (R. Ord.) Several plants 

 in flower were gathered in 1863 ; it has not been observed 

 since. 



ERYTHR^A. ( Centaury.} 



T E. Centaurium. Pers. (Common Centaury.) 

 Dry pastures. 6-9. 



