COMPOSITE. 151 



345. Z. Conyza, DC. 'Ploughman! s Spikenard. 

 Baccharis Monspeliensium^ Ger. (Blackst.). 



Cyb. Br. ii. 122. Syme E. B. v. t. 767. 



Banks on a chalky soil ; very rare. P. July — September. 

 I. In the old chalk-pit near Harefield Mill, plentifully ; Blackst. Fasc. 9. 

 V. In a calcareous spot bet. Perivale and Horsington Hill ; Lees. 



Not since recorded from Harefield, but probably still grows there. 



PTILICAEIA, Gaertn. 



346. P. vulgraris, Gaertn. Inula Pulicaria, L. (Syme and L. Cat.). 

 Conyza minima, sive Pulicaria (Lob., Blackst.). Conyza minor, Trag. 



(Johns.). 

 Cyb. Br. ii. 123. Curt. F. L. f. 3. 



Wet sandy commons and roadsides ; very rare. A. August, September. 

 I. Harefield ; Blackst. Fasc. 20. 

 II. Roadside bet. Hampton and Sunbury, H. C.W. ; New B. G. 100. 

 IV. [Hampstead Heath ; Johns. Enum.] [Grolder's Grreen ; Irv. MSS. and 



Lond. Fl. 153. Not there in 1852, J. T. Syme ; Phyt. iv. 860.] 

 V. About Ealing towards the Harrow Road, plentifully, W. Pamplin ; 

 New B. G. Supp. 588. On the common close to Apperton Bridge 

 by the Brent ; Lees. 



First (?) record: Johnson, 1632. Lobel (Adv. Nov. 145) first noticed this 

 as British ; his locality is * in Benard-Grreyn ara et fossis, altero a 

 Londino lapide.' This may be a Middlesex station, but we have not 

 been able to identify Benard Grreyn. 



347. P. dysenterica, Gaertn. I. dysenterica, L. (Syme and L. Cat.). 

 Conyza media (Johns, and Blackst.). 



Cyb. Br. ii. 123. Syme E. B. v. t. 770. 



Ditchbanks, roadsides, &c. ; common. P. July — September. 

 I. Harefield ; Blackst. Fasc. 20. Pinner. Stanmore Heath. S. Mims. 

 II. Staines. Bet. Hampton Court and Kingston Bridge, abundant. 



III. Twickenham. 



IV. Common about Harrow; Melv. 48. Claypits, Harrow "Weald. Hamp- 



stead ; Irv. MSS. 

 V. Ealing Common ! ; Twyford ! ; Newb. Apperton. 

 VI. Finchley; Herb. Hardw. Edmonton. 

 VII. [In S. James his Park ; Tuthill Fields, &c. ; Johns. Ger. 482.] I. of Dogs. 

 First record: Johnson, 1633. 'In Cheape-side the herbe-women call it 

 Herbe Christopher, and sell it to Empericks ;' Johns. Ger. 483. 



Galinsoga parviflora, Cav. Syme E. B. v. t. 765. V. In market-gardens 

 in this district; Newb. VII. Parson's Grreen, 1862, J. Britten; Seem. 

 J. of Bot. i. 375. Plentiful on the Surrey side of the Thames about 

 Kew and Richmond, whence it has migrated into our county. 



