40 FLORA OF OXFORDSHIRE. 
Native. Pascual. Dry hilly pastures and roadsides on chalky or 
calcareous soil. P. June-Sept. 
First record, Sib. 1794. Cistus Helianthemum, L. 
1. Stour. Sibford Heath. 
2. Ouse. Mixbury, R. Pryor. Hardwick, Ardley. 
8. Swere. Bretch, Hook Norton, Gull. Tadmarton, Aplin. Towards 
Shutford, T. Bees. 
4. Ray. Between Middleton Stoney and Somerton, A. Fr. Head- 
ington Wick, H. Bos. Beckley, Stow Wood, Stanton St. John 
quarries, Ardley. 
5. Isis. Woodstock Park and Stonesfield, Bx. MSS.1831. Charlbury, 
Stonesfield, Finstock, Wychwood, Ditchley, Minster Lovell, Bur- 
ford, near Ashford Mill, Lyneham Camp, Knoll Bury Camp, Tain- 
ton quarry. 
6. Thame. Near Woodperry, A. Fr. Headington, in great plenty, Bx. 
MSS. Shotover Hill, Bullingdon Green, Sib. Holton quarries. 
7. Thames. Stokenchurch, Sib. Caversham, Hb. Br. Mus. Trimen. 
Between Shiplake and Henley, A. Fr. Henley, H. Bos. Maple 
Durham, Whitchurch, Goring, most abundant near Chinnor, Cane 
End, Withy Coppice, Penley Wood, Ibstone, Lewknor, Beacon Hill, 
Ewelme Downs. 
Orv. IX. VIOLARI#, DC. 
VIOLA. L. 
V. sylvatica, Fr. Dog Violet. 
Native. Septal, ericetal. Woods and heaths ; common and generally 
distributed. P. Apr.—June. 
Var. Reichenbachiana, Jord. Top. Bot. 56 Druce, Rec. Syme, E. B. ii. 
20. 174. 
Thickets, hedgebanks, on calcareous soil. P. April-May. 
2. Ouse. Ardley, Rec. Club Rep. 1880. 
4, Ray. Near Tackley. 
5. Isis. Near Ashford Mills, Wilcote, Wychwood, Fawler, Stones- 
field. 
Var. Riviniana, Rehb. Syme, E. B. ii. 19.173. Dog Violet. 
Native. Woods, thickets, hedgebanks, etc. Common and generally 
distributed. P. April, May. 
Very large flowered form near Lyneham Camp. 
Var. flavicornis, Forst. non. Sm. E, B. Sup. 2736. 
5. Isis. Dry heaths, North Leigh. 
V. canina, (L.) Echb. Dog Violet. 
Syme, E. B. ii. 21.175. Nym, 77. 
Native. Ericetal, pascual, Sandy heathy ground. Rare. P. May- 
June. 
