150 Botany. 



(239) HIERACIUM, L. (HAWKWEED). A very variable genus ; 

 innumerable varieties have been raised to specific 

 rank. In Bab. the number of critical forms described, 

 selected from Mr. F. J. Hanbury's monograph, is 

 210. To Jordanising there is no end. 



892. H. pilosella, L. 5 8, P. Dry banks, heaths, pastures, wall 

 tops ; very common. Fls. open 7 3 (Linnaeus), leaves 

 roll up in dry weather. 



952. H. murorum, L. 6 8, P. Shady banks, wood borders ; 

 local ; not recorded in the district ; neither is H. VULGATUM, 

 Fr 



975. H. sciaphilum, Uech. 6 9, P. Wood borders, banks, walls ; 

 frequent. 



1. Bexley. Holmes. 



2. Wood near Swanley. H. 



var c.). eucuminatum, Dahlst. 



1. Roadside between Ide Hill and Sundridge, '05. W.H.G. 

 fide Linton (A NEW COUNTY RECORD). 



979. H. rigidum, Hart. 7 9, P. Banks and woods, probably 

 common, especially on the sand. 



1. Swanley, H. ; Shoreham, Darenth Wood, M. 



2. Keston Common, '04. W.H.G. 

 var c). trichoeaulon, Dahlst. 



1. Hayes Common, '98. A. 0. Hume, 

 var. a), tridentatum, Fr. (A good species, Linton.) 

 1. Ide Hill, '05. W.H.G. fide Linton. 



994. H. subaudum, L. (BOREALE, Fr.), 8 9, P. Hedges, banks, 



wooded places ; common, especially on the Weald, 

 var. c). Hervieri, Arv. Touvet. 



1. Hayes Common, 1898. A. 0. Hume. 



995. H. umbellatum, L. 7 9, P. Banks, borders, heaths, woods ; 



frequent. 



var c). coronopifolium, Bernh. 



1. Hayes Common, 1898. A. 0. Hume. 



2. Roadside between Ightham and N. Downs, '05. 



W.H.G. fide Linton. 



997. HYPOCHJERIS radicata, L. 78, P. Banks, fields, hedges ; 

 very common. 



999. THRINCIA nudicaulis, Britten, /. of Bot. '07 (HIRTA, Roth., 

 LEONTODON HIRTUS, L.), 6 9, P. Dry banks, waste and 

 cultivated places ; common. 



