PIMPINELLA 241 



villages. Rather common and generally distributed. P. May- 

 August. 

 First record. Ae. poclagraria, Dr. Noehden, Mavor's Agr. Berks, 1809. 

 With Puccinia Aegopodii, Grev., on it about Oxford, Baxter, Phaen. 

 Bot. n. 151. 



1. Isis. Wytham. Buckland. Faringdon. Buscot, &:c, 



2. Ock. Blewbury, Lousleij in EnsseU's Cat. Denchworth, Wait. 



Radley. Sunningwell. Kennington. Tubney. Besilsleigh. 

 Kingston Lisle. Pusey. Kingston Bagpuze, &c. 



3. Pang. Tilehurst, Tufnail. Ashampstead. Bradfield. Buckle- 



bury. Near Cold Ash. Pangbourn. Hermitage. 



4. Kennet. Ilsley, Hewett in Herb. Brit. Mus. 1839. Newbury, Weaver. 



Woolhampton. Hampstead Marshall. Calcot. 



5. Loddon. Well. Coll. List, 1894. Park Place. Aston Lane, 



Stanton. Shinfield, Tufnail. Hurst. Bearwood. Arborfield. 



Crowthorn. Long Moor. Swallowfield. Near Maidenhead. 



Frogmore. Near Crazey Hill. Ruscombe. 



Only a few of its localities are included in the above enumeration. 



The deep running, brittle roots, the least fragment of which will grow, 



render it very difficult of extirpation. 



Aegopodium Podagraria is found in all the bordering counties. 



PIMPINELLA, Linn. Gen. n. 328 {Tragoselinum, Tournefort, 



Inst. t. 328). 



P. Saxifrag'a, Linn. Sp. PI. 263, a. b. (1753). Burnet Saxifrage. 



Top. Bot. 192. Syme, E. B. iv. 115, t. 585, Nyman, 306. Fl. Oxf. 140. 

 Native. Pascual. Dry pastures, chalk downs, &c. Common and 

 generally distributed, especially abundant on the Oolite and 

 Chalk, but scarcer in the heathy districts. P. July- September. 

 First record. P. saxifraga, Dr. Noehden, Mavors Agr. Berks, 1809. 



Var. DissECTA, With. Bot. Arr. 312 (1796) = P. dissecta, Retz. Obs. 

 iii. 30 (1783), Avith all the leaves cut into narrow segments, is not 

 uncommon as at Wargrave {Melvill), Wootton, Wantage, Waltham, 

 Uffington, Culham, &c, 



Var. POTERUFOLiA, Wallr. Sched. PI. Crit. 123. Baxt. Phaen. Bot. 

 n. 411, which has the divisions of the radical leaves rounded and not 

 deeply cut, is also not rare, having been seen at Besilsleigh, Buck- 

 land, Letcombe, Pangbourn, Frilsham, &c. 



Our commoner plant is intermediate in character. 



P. Saxifraga is found in all the bordering counties. 



P. major, Huds. Fl. Angl. no (1762). Great Burnet Saxifrage. 



P. magna, Linn. Mantissa, ii. 217 (1771). P. Saxifraga, var. major, 

 Linn. Sp. PI. 264 (1753;. 



