274 lEIDACEJE. 



Ill, By the Cran, Hounslow Heath. Hatton, Hanworth Road. Thames 



at Twickenham and Isleworth. 

 .IV. Near Kenton ; Melv. 76. Stanmoro ; Varenne. Bet. Finchley and 

 Hendon ! ; Newb. 

 V. Canal at Greenford ; Melv. 76. At Hanwell ; Cole. Perivale ; Lccs. 

 VI. Copse near Warren Lodge, Edmonton. 

 VII. Ponds in Ken Wood Grounds. Isle of Dogs. 



First record : Blaclstone, 1737. Mr. Sjme says {Seem. J. ofB. vi. 69) that 

 /. acoriformis, Bor. {Synie E. B. is. t. 149.5) is the only one of the three 

 forms into which Boreau divides this species which he lias seen by the 

 Thames, but that /. Ba)<tardi,'BoT., is, the plant round Ken Wood ponds. 

 The typical /. pseud-Acorus, however, probably occurs in the county. 



662. I. fcetidissima, L. StitiMng Gladdon or Gladwyn. 

 Xyris, sive Spatula feetid a (Park., Pet., MiU.). 



Cyb. Br. ii. 439. Syme E. B. ix. t. 1494. 

 Hedges ; very rare. P. June, July. 

 V. Pasture at Perivale, apparently native ; Lees. 

 VI. Muswell Hill, in a hedge ; Mart. App. P. C. 72. 

 VII. [Near to Kentish Town. ... I do verily think it not natural in that 



place ; Park. Theat. 258. In a hedge near Kentish Town ; Mart. 



Tourn. ii. 45.] [On Jack Straw's Castle, and in a hedge near it ; 



Pet. Midd. and Mill. Bot. Off. 421.] Near Hornsey ; Huds. i. 14 



and suhscqiient writers. Lord Mansfield's Park ; Cooper, 102. 

 First record: Parkitison, 1640. 



CROCUS, Li7i7i. 



663. *C.-vemMS,Willd. Spring Purple Croms. 

 Cyb. Br. ii. 442. Syme E. B. ix. t. 1499. 



Meadows ; very rare. P. March, April. 

 VI. In meadows near the Church at Hornsey, in plenty, 1842, T. B. Flower ; 

 Herh. Linn. Soc. Southgate, F. W. ; Phyt. N. S. vi. 349. Hornsey 

 Meadows, 1852; Herb. 8. P. Woodward. Abundant in the turf 

 of a large meadow a little south of Colney Hatch, but in Hornsey 

 parish. Prof. A. H. Church informs us that it grew in this last 

 locality in the recollection of persons living in the neighboiirhood, at 

 the end of the last century [and that before houses were built it 

 grew sparingl}' bet. Hornsey and Wood Green]. 



First record : before 1800. Is it certainly an alien? 



