Q2 FLORA OF OXFORDSHIRE. 
*P, domestica, L. Wild Plum. 
Comp. Cyb. 500. Syme, E. B. iii. 118. 410. Nym. 213. 
Denizen. Septal. Hedges and thickets. Not uncommon. Shrub. 
April, May. 
First record about 1840, W. Bazter. 
2. Ouse. Hardwick. 
3. Swere. Between Grove Mill and Milton, A, Fr. Hardwick, T. Bees. 
4. Ray. Near Islip one bush, Rev. W. Moyle Rogers. Water Eaton, 
Upper Heyford. 
5. Isis. Finstock, Walcote, Foscott. 
6. Thame.’ Waterstock, 4. Fr. Sydenham, Hb. Bx. Iffley. 
7. Thames. Ipsden, Nettlebed, Crowsley. 
Berks. Kingston, Wootton, Bagley. 
P. institia, LD. Bullace. 
Top. Bot. 127. Syme, E. B. iii. 117. 409. Nym. 214. 
Denizen. Septal. Hedges. Not unfrequent. Shrub. April, May. 
First record, Sib. 1794. 
. Ouse. Hardwick. 
. Swere. Banbury, etc., A. Fr. Broughton, Wigginton Heath, T. Bees. 
. Ray. Kirtlington, Noke, Water Eaton, Upper Heyford. 
. Isis. Stonesfield, Woodstock. 
. Thame. Iffley. 
. Thames. Stoke Row, etc. 
Berks. Bagley Wood, Hinksey, and in all the border counties. 
NOD OP wD 
P. spinosa, L. Blackthorn, Sloe. 
Top. Bot. 126. Syme, E. B. iii. 115. 408. Nym. 214. 
Native. Septal. Woods, hedges. Abundant throughout the county. 
Shrub. March-May. 
First record, Sib. 1794 
With Polystigma rubra, Pers. and Puccinia pruinorwm, Link. on it 
about Oxford, Ba. 
P. fructicans, Wh. ? P. coétanea, Syme. Nym. 214. 
Native. Septal. Hedges. Not uncommon. Shrub. April, May. 
First record, the Author, 1880. 
4. Ray. Tackley, Weston, 
5. Isis. Finstock, Sarsden. 
6. Thame. Littlemore. 
A taller shrub with larger flowers and fruit than the preceding species, 
the flowers appearing with the leaves, the anthers also are larger and 
redder in colour. 
