192 THE FLORA OF WARWICKSHIRE. 



N. palustre, DC. Marsh Yellow Cress. 



Native : In wet places and near pools. Local. July. 

 I. Rotton Park Reservoir, II'. /.'. Grove. Shores of Coleshill Pool; 

 Sutton Park, sparingly. 1876. 

 II. (Sisymbrium terrestre,) in ditches, Oversley Mill, Purt., i., 307; Bag- 

 in Bridge, near the race stand. Perry, 1817; Shrewley 

 Pool, muddy places in the Avon, Y. and /.'. ; Fern Hill! Stone- 

 leigh, Kenilworth ! //. /.'..- moist meadows, Brown's Over, 

 Rugby, //. W. T. : Chadshunt, Kineton, Bolton King. 



N. amphibium, Brown. Great Yellow Cress. 



Native': In rivers, pools, and ditches. Locally common. June to 

 August. 

 1. Curdworth Bridge, Forge Mills, Marston Green, &c. 

 II. Rowington Canal. Guy's Cliff, Stratford-on-Avon, Binton, etc. 

 Armoracia amphibia, Bab. Man. 



ARMORACIA. 

 A. rusticana, Rupp. Horse-radish. 



\1 en : On river banks and waste places. Rare in the pseudo-wild 

 state. May, June. 

 I. Old clay pits, near Erdington ; Water Orton, on banks near the 

 village. 



a, on the River Arrow near Oversley Bridge! 

 Purt., i.. 298 : below Hatton-on-Avon, Y. and B. ; osier heds, 

 ' lny's Cliff; Myton ; Hatton Rock, //. B. 



DRABA. 

 D. verna, Linn. Whitlow Grass. 



Native: Walls, heathy waysides, &c. Locally common. March to 

 May. 



I. Sutton Park. Coleshill Heath, Great Packingtou, Baddeslev 



( ilinton, &c. 

 II. Whitnashl Chesterton! Y. <tn<1 B.; Whatcote, Rev. J. Gorle ; 

 Abbott's Balford! Rev. J. C.\ Harbury! Kingswood! <feo. 

 Var. I>. brachycarpa. 



On thatched roofs and old walls. Rare. 

 I. Abundant on the thatch of an old shed near Bedlams End, 1874. 

 II. Old wall at Kenilworth, Dr. Baker; Lias walls, Harburv village, 



1-71. 

 D. verna, var. inflata. 



Peaty grounds, the Pleasaunce, Kenilworth. Mrs. .1. Russell, in Herb 



Oil, lint. Mas.. 1ST I. 



ALYSSUM. 

 A. incanum. Linn. 



Casual: [n corn and other cultivated fields. Rare. June. 

 I. Abundant in a cornfield. Boldmir, near Sutton. 1871; railway 



hanks, Sutton Park, 1877. 

 II. In a field at Emscote, near Warwick 11. B. 



CAMELINA. 

 0. sativa, Crantz. Goldoj Pleasure. 



' kSUa] : On railway banks. Rare. June. 



Var. .1. foetida, Fries. 

 I. Railway hanks. Sutton Park, 1877-78. 

 Va r. /<. sylve8tris. 



II. Cornfields near Pern Hill Wood, //. /■'. 



In both localities a plant of uncertain occurrence. 



