EQUISETACEiE. 335 



CRYPTOGAMIA. 



EQUISETACE^. 



EftUISETUM, Linn. 



834. E. arvense, L. Horsetail. 



Equiset. arv. longioribus setis, C. B. P. (Blackst.). 

 Cyb. Br. iii. 304. Curt. F. L. f. 4. 



Damp fields, cultivated and waste ground ; very common. P. April. 

 In all the districts. 

 VII. Isle of Dogs !; iVewS. Millfield Lane, Highgate. Sandy End, Fulhara. 



First record : Blackstone, 1737. 



835. E. maximum, Lam. 



E.fluviatile, Sm. (Irv.). E. Telmateia, Ehrh. (Melv.). 

 Cyb. Br. iii. 300. Newman, 67. 



Moist hedges and woods, sides of ponds, &c. ; rare. P. April. 

 II. Near Teddington. 



IV. Hampstead Heath, 1823; Bennett {v. s.). Turner's Wood, abundant ! ; 

 Irv. MSS. Bentley Priory, Harrow Weald, W. M. H. ; Melv. 96. 

 Near Edgwarebiiry. 

 VI. The Alders Copse, Whetstone, abundant. 

 VII. Banks of Eeservoir near Ken Wood. Near New West End. 



First record: J.J. Bennett, 1823. 



836. E. sylvaticum, L. 



E. omnium minus tenuifolium (Lob., Park., Eay). 



Cyb. Br. iii. 305. Newman, 59. 



Damp shady places on heaths and in woods ; rather rare. P. April, 



May. 

 I. Harefield ; Blackst. Fasa. 26. Harrow Weald Common, abundant ! ; 

 Melv. 97. 

 IV. In the meadows by Hampstead Heath ; Merrett 35, R. Cat. i. 100, &e. 

 North Heath. Bishop's and Turner's Woods, and meadows near 

 them, abundant. 

 VI. Highgate ; Lob. III. 143, Park. Theat. 1201. The Alders near Whet- 

 stone, 1867 ; ./. 8. Mill. 

 VII. Field bet. Kentish Town and Kenwood near the ponds, E. F.; Herb. 

 Mus. Brit. Fields near Kenwood, J. Rayer ; B. G. 413. 



First record : Lobel, about 1600. 



