250 UMBELLIFERAE 



Top. Bot. 201. Syme, E. B. iv. 151, t. 612. Nyman, 289. Fl. Oxf. 131. 

 Native. Pascual, viatical. Roadsides, field-borders, &c. Locally 



abundant. A. or B. May-August. 

 First record. Pastinaca sativa, Cholsey, Prof. Henslow in 1835. Almost 

 everywhere about Oxford, Baxt. Phaen. Bot n. 172, 1837. 



The Parsnep is too common and widely distributed in the county t" 

 need an enumeration of localities. It attains its maximum of frequency 

 on the Oolite, Clays, and Chalk, By the roadsides on these formations 

 it is a conspicuous feature, the bright yellow flowers rendering it 

 especially noticeable. At Burghfield plants eight feet high were seen 

 in 1887. Absent from a considerable area of the heathy districts. 



On i-ubbish heaps stray plants of the cultivated form P. sativum, var. 

 DULCE, occur. 



P. sativum is found in all the bordering counties. 



HERACIjEUM, Linn, Gen. n. 307 {Sphondylium, Tourn. Inst. t. 170). 



H. Sphondylium, Linn. Sp. PI. 249 (1753). Hogiceed, Goto Parsley, 

 Cow Parsnep. Sphondylium vulgare. Park. 953. 

 Top. Bot. 202. Syme, E. B. iv. 154, t. 613. Nyman, 290. Fl. Oxf. 132. 

 Native. Septal. Hedgerows, thickets, and pastures. Abundant and 



generally distributed. P. March-August. 

 First record. H. sphondylium, Dr. Noehden, Mavor's Agr. Berks, 1809. 

 With Pucdnia Heraclei, Grev., and Bothidea Heradei, Grev., on it about 

 Oxford in 1825, Baxt. Phaen. Bot. 130, 1831. 



Var. ANGUSTiFOLiuM, Huds. Fl. Angl. 117 (1778), has been observed 

 in several localities, as at Besilsleigh, Ashampstead, Inkpen, Stub- 

 bing's Heath, Snelsmore, &c. 



Miss M. Niven has observed at Carswell a curious form in which 

 the involucels are so much enlarged as to become foliaceous appen- 

 dages an inch in length. Heradeum is sometimes found with dull 

 reddish flowers — f. rosea. In the dry seasons of 1893-4 and 6 the 

 narrower-leaved form was more frequent than I had previously 

 noticed. 



Heradeum occurs plentifully in all the bordering counties. 



TORDYLIUM, Linn. Gen. n. 293 (Tournefort, Inst. t. 170). 

 T. maximum, Linn. Sp. PI. 240 (1753). Great Hartivorf. 



Top. Bot. 202. Syme, E, B. iv. 155, t. 614. Nyman, 290. Fl. Oxf. 132. 

 Denizen or alien. Septal. Hedge-banks. Probably extinct. A. June- 

 July. 

 First record. Hedges near Eton Wick, in the greatest abundance, 

 Mr. Gotobed, Bot. Guide, 1805. 

 •2. Ock. A specimen was gathered ' near a gate going into the wood 

 beyond the Sandfoi'd Wood, nearer to Frilford Common,' by 

 a niece of Mrs. Davis of Sheepstead House. 



