Botany. 113 



1129. C. arvensis, L. 6 8, P. Fields and hedges ; very abundant. 

 Fls. sweet-scented, open only one day ; often infested by a 

 spider Thomisus onustus, which lies in wait for insects 

 visiting the fl. 



(301) CUSCUTA, L. (DODDER), 7 9, A. Leafless, rootless, and 

 colourless parasites. 



1131. C. europaea, L. Hedges ; parasitic on herbs. Now probably 



extinct in the district. 



1132. C. epithymum, Murr. Heaths ; parasitic on heather, gorse 



and wood sage ; common. 



1133. C. trifolii, Bab. (under 1132, B. & H.). Colonist; para- 



sitic on clover and lucerne ; frequently a troublesome pest. 



1. Cooling (M.) ; between Northfleet and Gravesend 



(Jackson). 



2. On clover in meadow between Keston and Down, '00. 



W.H.G. 



3. On Buckwheat in farm lane between Crofton and 



Chislehurst, '99. W.H.G. 



4. In clover field, Pratt's Bottom, '05. R.H.C. 



NOTE. Ipomaea sp. & handsome climber is cultiv. for its fls. 

 (annual sp. at Avery Hill). 



N.O. 2. POLEMONIACE&. 



1101. POLEMONIUM caeruleum, L. (JACOB'S LADDER), 7, P. 



Hilly bushy places ; rare ; records for the district very old. 



1. White flowered form, found growing in a decayed wil- 

 low in meadows by the Darenth, Eynsford ; prob. 

 bird-sown. A A. Abbott teste W.H.G. 



a. In great abundance in Shooter's Hill Wood, 1793. 



N.O. 3. BORAGINACEJE. Essentially bee flowers. 

 (288) CYNOGLOSSUM, L. 



1102. C. officinale, L. (HOUND'S TONGUE), 67, B. Rough banks 



and waste ground ; rather rare. 



1. Established since '99 near an old chalk-pit in meadows 

 between Keston and Down ; in '04 only two plants 

 were left ; in '06 there were many. W.H.G. 



1103. C. germanicum, Jacq. 6 7, A. or B. Alien, garden strays. 



a. Southend, by Eltham ! plentiful, 1724 (1st record). 



b. Near farmyards at Keston, 1793. 



I 



